diff options
Diffstat (limited to 'cmake/cotire.cmake')
| -rw-r--r-- | cmake/cotire.cmake | 4054 |
1 files changed, 4054 insertions, 0 deletions
diff --git a/cmake/cotire.cmake b/cmake/cotire.cmake new file mode 100644 index 00000000..a957e6bf --- /dev/null +++ b/cmake/cotire.cmake @@ -0,0 +1,4054 @@ +# - cotire (compile time reducer)
+#
+# See the cotire manual for usage hints.
+#
+#=============================================================================
+# Copyright 2012-2017 Sascha Kratky
+#
+# Permission is hereby granted, free of charge, to any person
+# obtaining a copy of this software and associated documentation
+# files (the "Software"), to deal in the Software without
+# restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following
+# conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#=============================================================================
+
+if(__COTIRE_INCLUDED)
+ return()
+endif()
+set(__COTIRE_INCLUDED TRUE)
+
+# call cmake_minimum_required, but prevent modification of the CMake policy stack in include mode
+# cmake_minimum_required also sets the policy version as a side effect, which we have to avoid
+if (NOT CMAKE_SCRIPT_MODE_FILE)
+ cmake_policy(PUSH)
+endif()
+cmake_minimum_required(VERSION 2.8.12)
+if (NOT CMAKE_SCRIPT_MODE_FILE)
+ cmake_policy(POP)
+endif()
+
+set (COTIRE_CMAKE_MODULE_FILE "${CMAKE_CURRENT_LIST_FILE}")
+set (COTIRE_CMAKE_MODULE_VERSION "1.7.10")
+
+# activate select policies
+if (POLICY CMP0025)
+ # Compiler id for Apple Clang is now AppleClang
+ cmake_policy(SET CMP0025 NEW)
+endif()
+
+if (POLICY CMP0026)
+ # disallow use of the LOCATION target property
+ cmake_policy(SET CMP0026 NEW)
+endif()
+
+if (POLICY CMP0038)
+ # targets may not link directly to themselves
+ cmake_policy(SET CMP0038 NEW)
+endif()
+
+if (POLICY CMP0039)
+ # utility targets may not have link dependencies
+ cmake_policy(SET CMP0039 NEW)
+endif()
+
+if (POLICY CMP0040)
+ # target in the TARGET signature of add_custom_command() must exist
+ cmake_policy(SET CMP0040 NEW)
+endif()
+
+if (POLICY CMP0045)
+ # error on non-existent target in get_target_property
+ cmake_policy(SET CMP0045 NEW)
+endif()
+
+if (POLICY CMP0046)
+ # error on non-existent dependency in add_dependencies
+ cmake_policy(SET CMP0046 NEW)
+endif()
+
+if (POLICY CMP0049)
+ # do not expand variables in target source entries
+ cmake_policy(SET CMP0049 NEW)
+endif()
+
+if (POLICY CMP0050)
+ # disallow add_custom_command SOURCE signatures
+ cmake_policy(SET CMP0050 NEW)
+endif()
+
+if (POLICY CMP0051)
+ # include TARGET_OBJECTS expressions in a target's SOURCES property
+ cmake_policy(SET CMP0051 NEW)
+endif()
+
+if (POLICY CMP0053)
+ # simplify variable reference and escape sequence evaluation
+ cmake_policy(SET CMP0053 NEW)
+endif()
+
+if (POLICY CMP0054)
+ # only interpret if() arguments as variables or keywords when unquoted
+ cmake_policy(SET CMP0054 NEW)
+endif()
+
+if (POLICY CMP0055)
+ # strict checking for break() command
+ cmake_policy(SET CMP0055 NEW)
+endif()
+
+include(CMakeParseArguments)
+include(ProcessorCount)
+
+function (cotire_get_configuration_types _configsVar)
+ set (_configs "")
+ if (CMAKE_CONFIGURATION_TYPES)
+ list (APPEND _configs ${CMAKE_CONFIGURATION_TYPES})
+ endif()
+ if (CMAKE_BUILD_TYPE)
+ list (APPEND _configs "${CMAKE_BUILD_TYPE}")
+ endif()
+ if (_configs)
+ list (REMOVE_DUPLICATES _configs)
+ set (${_configsVar} ${_configs} PARENT_SCOPE)
+ else()
+ set (${_configsVar} "None" PARENT_SCOPE)
+ endif()
+endfunction()
+
+function (cotire_get_source_file_extension _sourceFile _extVar)
+ # get_filename_component returns extension from first occurrence of . in file name
+ # this function computes the extension from last occurrence of . in file name
+ string (FIND "${_sourceFile}" "." _index REVERSE)
+ if (_index GREATER -1)
+ math (EXPR _index "${_index} + 1")
+ string (SUBSTRING "${_sourceFile}" ${_index} -1 _sourceExt)
+ else()
+ set (_sourceExt "")
+ endif()
+ set (${_extVar} "${_sourceExt}" PARENT_SCOPE)
+endfunction()
+
+macro (cotire_check_is_path_relative_to _path _isRelativeVar)
+ set (${_isRelativeVar} FALSE)
+ if (IS_ABSOLUTE "${_path}")
+ foreach (_dir ${ARGN})
+ file (RELATIVE_PATH _relPath "${_dir}" "${_path}")
+ if (NOT _relPath OR (NOT IS_ABSOLUTE "${_relPath}" AND NOT "${_relPath}" MATCHES "^\\.\\."))
+ set (${_isRelativeVar} TRUE)
+ break()
+ endif()
+ endforeach()
+ endif()
+endmacro()
+
+function (cotire_filter_language_source_files _language _target _sourceFilesVar _excludedSourceFilesVar _cotiredSourceFilesVar)
+ if (CMAKE_${_language}_SOURCE_FILE_EXTENSIONS)
+ set (_languageExtensions "${CMAKE_${_language}_SOURCE_FILE_EXTENSIONS}")
+ else()
+ set (_languageExtensions "")
+ endif()
+ if (CMAKE_${_language}_IGNORE_EXTENSIONS)
+ set (_ignoreExtensions "${CMAKE_${_language}_IGNORE_EXTENSIONS}")
+ else()
+ set (_ignoreExtensions "")
+ endif()
+ if (COTIRE_UNITY_SOURCE_EXCLUDE_EXTENSIONS)
+ set (_excludeExtensions "${COTIRE_UNITY_SOURCE_EXCLUDE_EXTENSIONS}")
+ else()
+ set (_excludeExtensions "")
+ endif()
+ if (COTIRE_DEBUG AND _languageExtensions)
+ message (STATUS "${_language} source file extensions: ${_languageExtensions}")
+ endif()
+ if (COTIRE_DEBUG AND _ignoreExtensions)
+ message (STATUS "${_language} ignore extensions: ${_ignoreExtensions}")
+ endif()
+ if (COTIRE_DEBUG AND _excludeExtensions)
+ message (STATUS "${_language} exclude extensions: ${_excludeExtensions}")
+ endif()
+ if (CMAKE_VERSION VERSION_LESS "3.1.0")
+ set (_allSourceFiles ${ARGN})
+ else()
+ # as of CMake 3.1 target sources may contain generator expressions
+ # since we cannot obtain required property information about source files added
+ # through generator expressions at configure time, we filter them out
+ string (GENEX_STRIP "${ARGN}" _allSourceFiles)
+ endif()
+ set (_filteredSourceFiles "")
+ set (_excludedSourceFiles "")
+ foreach (_sourceFile ${_allSourceFiles})
+ get_source_file_property(_sourceIsHeaderOnly "${_sourceFile}" HEADER_FILE_ONLY)
+ get_source_file_property(_sourceIsExternal "${_sourceFile}" EXTERNAL_OBJECT)
+ get_source_file_property(_sourceIsSymbolic "${_sourceFile}" SYMBOLIC)
+ if (NOT _sourceIsHeaderOnly AND NOT _sourceIsExternal AND NOT _sourceIsSymbolic)
+ cotire_get_source_file_extension("${_sourceFile}" _sourceExt)
+ if (_sourceExt)
+ list (FIND _ignoreExtensions "${_sourceExt}" _ignoreIndex)
+ if (_ignoreIndex LESS 0)
+ list (FIND _excludeExtensions "${_sourceExt}" _excludeIndex)
+ if (_excludeIndex GREATER -1)
+ list (APPEND _excludedSourceFiles "${_sourceFile}")
+ else()
+ list (FIND _languageExtensions "${_sourceExt}" _sourceIndex)
+ if (_sourceIndex GREATER -1)
+ # consider source file unless it is excluded explicitly
+ get_source_file_property(_sourceIsExcluded "${_sourceFile}" COTIRE_EXCLUDED)
+ if (_sourceIsExcluded)
+ list (APPEND _excludedSourceFiles "${_sourceFile}")
+ else()
+ list (APPEND _filteredSourceFiles "${_sourceFile}")
+ endif()
+ else()
+ get_source_file_property(_sourceLanguage "${_sourceFile}" LANGUAGE)
+ if ("${_sourceLanguage}" STREQUAL "${_language}")
+ # add to excluded sources, if file is not ignored and has correct language without having the correct extension
+ list (APPEND _excludedSourceFiles "${_sourceFile}")
+ endif()
+ endif()
+ endif()
+ endif()
+ endif()
+ endif()
+ endforeach()
+ # separate filtered source files from already cotired ones
+ # the COTIRE_TARGET property of a source file may be set while a target is being processed by cotire
+ set (_sourceFiles "")
+ set (_cotiredSourceFiles "")
+ foreach (_sourceFile ${_filteredSourceFiles})
+ get_source_file_property(_sourceIsCotired "${_sourceFile}" COTIRE_TARGET)
+ if (_sourceIsCotired)
+ list (APPEND _cotiredSourceFiles "${_sourceFile}")
+ else()
+ get_source_file_property(_sourceCompileFlags "${_sourceFile}" COMPILE_FLAGS)
+ if (_sourceCompileFlags)
+ # add to excluded sources, if file has custom compile flags
+ list (APPEND _excludedSourceFiles "${_sourceFile}")
+ else()
+ list (APPEND _sourceFiles "${_sourceFile}")
+ endif()
+ endif()
+ endforeach()
+ if (COTIRE_DEBUG)
+ if (_sourceFiles)
+ message (STATUS "Filtered ${_target} ${_language} sources: ${_sourceFiles}")
+ endif()
+ if (_excludedSourceFiles)
+ message (STATUS "Excluded ${_target} ${_language} sources: ${_excludedSourceFiles}")
+ endif()
+ if (_cotiredSourceFiles)
+ message (STATUS "Cotired ${_target} ${_language} sources: ${_cotiredSourceFiles}")
+ endif()
+ endif()
+ set (${_sourceFilesVar} ${_sourceFiles} PARENT_SCOPE)
+ set (${_excludedSourceFilesVar} ${_excludedSourceFiles} PARENT_SCOPE)
+ set (${_cotiredSourceFilesVar} ${_cotiredSourceFiles} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_objects_with_property_on _filteredObjectsVar _property _type)
+ set (_filteredObjects "")
+ foreach (_object ${ARGN})
+ get_property(_isSet ${_type} "${_object}" PROPERTY ${_property} SET)
+ if (_isSet)
+ get_property(_propertyValue ${_type} "${_object}" PROPERTY ${_property})
+ if (_propertyValue)
+ list (APPEND _filteredObjects "${_object}")
+ endif()
+ endif()
+ endforeach()
+ set (${_filteredObjectsVar} ${_filteredObjects} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_objects_with_property_off _filteredObjectsVar _property _type)
+ set (_filteredObjects "")
+ foreach (_object ${ARGN})
+ get_property(_isSet ${_type} "${_object}" PROPERTY ${_property} SET)
+ if (_isSet)
+ get_property(_propertyValue ${_type} "${_object}" PROPERTY ${_property})
+ if (NOT _propertyValue)
+ list (APPEND _filteredObjects "${_object}")
+ endif()
+ endif()
+ endforeach()
+ set (${_filteredObjectsVar} ${_filteredObjects} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_file_property_values _valuesVar _property)
+ set (_values "")
+ foreach (_sourceFile ${ARGN})
+ get_source_file_property(_propertyValue "${_sourceFile}" ${_property})
+ if (_propertyValue)
+ list (APPEND _values "${_propertyValue}")
+ endif()
+ endforeach()
+ set (${_valuesVar} ${_values} PARENT_SCOPE)
+endfunction()
+
+function (cotire_resolve_config_properties _configurations _propertiesVar)
+ set (_properties "")
+ foreach (_property ${ARGN})
+ if ("${_property}" MATCHES "<CONFIG>")
+ foreach (_config ${_configurations})
+ string (TOUPPER "${_config}" _upperConfig)
+ string (REPLACE "<CONFIG>" "${_upperConfig}" _configProperty "${_property}")
+ list (APPEND _properties ${_configProperty})
+ endforeach()
+ else()
+ list (APPEND _properties ${_property})
+ endif()
+ endforeach()
+ set (${_propertiesVar} ${_properties} PARENT_SCOPE)
+endfunction()
+
+function (cotire_copy_set_properties _configurations _type _source _target)
+ cotire_resolve_config_properties("${_configurations}" _properties ${ARGN})
+ foreach (_property ${_properties})
+ get_property(_isSet ${_type} ${_source} PROPERTY ${_property} SET)
+ if (_isSet)
+ get_property(_propertyValue ${_type} ${_source} PROPERTY ${_property})
+ set_property(${_type} ${_target} PROPERTY ${_property} "${_propertyValue}")
+ endif()
+ endforeach()
+endfunction()
+
+function (cotire_get_target_usage_requirements _target _config _targetRequirementsVar)
+ set (_targetRequirements "")
+ get_target_property(_librariesToProcess ${_target} LINK_LIBRARIES)
+ while (_librariesToProcess)
+ # remove from head
+ list (GET _librariesToProcess 0 _library)
+ list (REMOVE_AT _librariesToProcess 0)
+ if (_library MATCHES "^\\$<\\$<CONFIG:${_config}>:([A-Za-z0-9_:-]+)>$")
+ set (_library "${CMAKE_MATCH_1}")
+ elseif (_config STREQUAL "None" AND _library MATCHES "^\\$<\\$<CONFIG:>:([A-Za-z0-9_:-]+)>$")
+ set (_library "${CMAKE_MATCH_1}")
+ endif()
+ if (TARGET ${_library})
+ list (FIND _targetRequirements ${_library} _index)
+ if (_index LESS 0)
+ list (APPEND _targetRequirements ${_library})
+ # BFS traversal of transitive libraries
+ get_target_property(_libraries ${_library} INTERFACE_LINK_LIBRARIES)
+ if (_libraries)
+ list (APPEND _librariesToProcess ${_libraries})
+ list (REMOVE_DUPLICATES _librariesToProcess)
+ endif()
+ endif()
+ endif()
+ endwhile()
+ set (${_targetRequirementsVar} ${_targetRequirements} PARENT_SCOPE)
+endfunction()
+
+function (cotire_filter_compile_flags _language _flagFilter _matchedOptionsVar _unmatchedOptionsVar)
+ if (WIN32 AND CMAKE_${_language}_COMPILER_ID MATCHES "MSVC|Intel")
+ set (_flagPrefix "[/-]")
+ else()
+ set (_flagPrefix "--?")
+ endif()
+ set (_optionFlag "")
+ set (_matchedOptions "")
+ set (_unmatchedOptions "")
+ foreach (_compileFlag ${ARGN})
+ if (_compileFlag)
+ if (_optionFlag AND NOT "${_compileFlag}" MATCHES "^${_flagPrefix}")
+ # option with separate argument
+ list (APPEND _matchedOptions "${_compileFlag}")
+ set (_optionFlag "")
+ elseif ("${_compileFlag}" MATCHES "^(${_flagPrefix})(${_flagFilter})$")
+ # remember option
+ set (_optionFlag "${CMAKE_MATCH_2}")
+ elseif ("${_compileFlag}" MATCHES "^(${_flagPrefix})(${_flagFilter})(.+)$")
+ # option with joined argument
+ list (APPEND _matchedOptions "${CMAKE_MATCH_3}")
+ set (_optionFlag "")
+ else()
+ # flush remembered option
+ if (_optionFlag)
+ list (APPEND _matchedOptions "${_optionFlag}")
+ set (_optionFlag "")
+ endif()
+ # add to unfiltered options
+ list (APPEND _unmatchedOptions "${_compileFlag}")
+ endif()
+ endif()
+ endforeach()
+ if (_optionFlag)
+ list (APPEND _matchedOptions "${_optionFlag}")
+ endif()
+ if (COTIRE_DEBUG AND _matchedOptions)
+ message (STATUS "Filter ${_flagFilter} matched: ${_matchedOptions}")
+ endif()
+ if (COTIRE_DEBUG AND _unmatchedOptions)
+ message (STATUS "Filter ${_flagFilter} unmatched: ${_unmatchedOptions}")
+ endif()
+ set (${_matchedOptionsVar} ${_matchedOptions} PARENT_SCOPE)
+ set (${_unmatchedOptionsVar} ${_unmatchedOptions} PARENT_SCOPE)
+endfunction()
+
+function (cotire_is_target_supported _target _isSupportedVar)
+ if (NOT TARGET "${_target}")
+ set (${_isSupportedVar} FALSE PARENT_SCOPE)
+ return()
+ endif()
+ get_target_property(_imported ${_target} IMPORTED)
+ if (_imported)
+ set (${_isSupportedVar} FALSE PARENT_SCOPE)
+ return()
+ endif()
+ get_target_property(_targetType ${_target} TYPE)
+ if (NOT _targetType MATCHES "EXECUTABLE|(STATIC|SHARED|MODULE|OBJECT)_LIBRARY")
+ set (${_isSupportedVar} FALSE PARENT_SCOPE)
+ return()
+ endif()
+ set (${_isSupportedVar} TRUE PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_target_compile_flags _config _language _target _flagsVar)
+ string (TOUPPER "${_config}" _upperConfig)
+ # collect options from CMake language variables
+ set (_compileFlags "")
+ if (CMAKE_${_language}_FLAGS)
+ set (_compileFlags "${_compileFlags} ${CMAKE_${_language}_FLAGS}")
+ endif()
+ if (CMAKE_${_language}_FLAGS_${_upperConfig})
+ set (_compileFlags "${_compileFlags} ${CMAKE_${_language}_FLAGS_${_upperConfig}}")
+ endif()
+ if (_target)
+ # add target compile flags
+ get_target_property(_targetflags ${_target} COMPILE_FLAGS)
+ if (_targetflags)
+ set (_compileFlags "${_compileFlags} ${_targetflags}")
+ endif()
+ endif()
+ if (UNIX)
+ separate_arguments(_compileFlags UNIX_COMMAND "${_compileFlags}")
+ elseif(WIN32)
+ separate_arguments(_compileFlags WINDOWS_COMMAND "${_compileFlags}")
+ else()
+ separate_arguments(_compileFlags)
+ endif()
+ # target compile options
+ if (_target)
+ get_target_property(_targetOptions ${_target} COMPILE_OPTIONS)
+ if (_targetOptions)
+ list (APPEND _compileFlags ${_targetOptions})
+ endif()
+ endif()
+ # interface compile options from linked library targets
+ if (_target)
+ set (_linkedTargets "")
+ cotire_get_target_usage_requirements(${_target} ${_config} _linkedTargets)
+ foreach (_linkedTarget ${_linkedTargets})
+ get_target_property(_targetOptions ${_linkedTarget} INTERFACE_COMPILE_OPTIONS)
+ if (_targetOptions)
+ list (APPEND _compileFlags ${_targetOptions})
+ endif()
+ endforeach()
+ endif()
+ # handle language standard properties
+ if (CMAKE_${_language}_STANDARD_DEFAULT)
+ # used compiler supports language standard levels
+ if (_target)
+ get_target_property(_targetLanguageStandard ${_target} ${_language}_STANDARD)
+ if (_targetLanguageStandard)
+ set (_type "EXTENSION")
+ get_property(_isSet TARGET ${_target} PROPERTY ${_language}_EXTENSIONS SET)
+ if (_isSet)
+ get_target_property(_targetUseLanguageExtensions ${_target} ${_language}_EXTENSIONS)
+ if (NOT _targetUseLanguageExtensions)
+ set (_type "STANDARD")
+ endif()
+ endif()
+ if (CMAKE_${_language}${_targetLanguageStandard}_${_type}_COMPILE_OPTION)
+ list (APPEND _compileFlags "${CMAKE_${_language}${_targetLanguageStandard}_${_type}_COMPILE_OPTION}")
+ endif()
+ endif()
+ endif()
+ endif()
+ # handle the POSITION_INDEPENDENT_CODE target property
+ if (_target)
+ get_target_property(_targetPIC ${_target} POSITION_INDEPENDENT_CODE)
+ if (_targetPIC)
+ get_target_property(_targetType ${_target} TYPE)
+ if (_targetType STREQUAL "EXECUTABLE" AND CMAKE_${_language}_COMPILE_OPTIONS_PIE)
+ list (APPEND _compileFlags "${CMAKE_${_language}_COMPILE_OPTIONS_PIE}")
+ elseif (CMAKE_${_language}_COMPILE_OPTIONS_PIC)
+ list (APPEND _compileFlags "${CMAKE_${_language}_COMPILE_OPTIONS_PIC}")
+ endif()
+ endif()
+ endif()
+ # handle visibility target properties
+ if (_target)
+ get_target_property(_targetVisibility ${_target} ${_language}_VISIBILITY_PRESET)
+ if (_targetVisibility AND CMAKE_${_language}_COMPILE_OPTIONS_VISIBILITY)
+ list (APPEND _compileFlags "${CMAKE_${_language}_COMPILE_OPTIONS_VISIBILITY}${_targetVisibility}")
+ endif()
+ get_target_property(_targetVisibilityInlines ${_target} VISIBILITY_INLINES_HIDDEN)
+ if (_targetVisibilityInlines AND CMAKE_${_language}_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN)
+ list (APPEND _compileFlags "${CMAKE_${_language}_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN}")
+ endif()
+ endif()
+ # platform specific flags
+ if (APPLE)
+ get_target_property(_architectures ${_target} OSX_ARCHITECTURES_${_upperConfig})
+ if (NOT _architectures)
+ get_target_property(_architectures ${_target} OSX_ARCHITECTURES)
+ endif()
+ if (_architectures)
+ foreach (_arch ${_architectures})
+ list (APPEND _compileFlags "-arch" "${_arch}")
+ endforeach()
+ endif()
+ if (CMAKE_OSX_SYSROOT)
+ if (CMAKE_${_language}_SYSROOT_FLAG)
+ list (APPEND _compileFlags "${CMAKE_${_language}_SYSROOT_FLAG}" "${CMAKE_OSX_SYSROOT}")
+ else()
+ list (APPEND _compileFlags "-isysroot" "${CMAKE_OSX_SYSROOT}")
+ endif()
+ endif()
+ if (CMAKE_OSX_DEPLOYMENT_TARGET)
+ if (CMAKE_${_language}_OSX_DEPLOYMENT_TARGET_FLAG)
+ list (APPEND _compileFlags "${CMAKE_${_language}_OSX_DEPLOYMENT_TARGET_FLAG}${CMAKE_OSX_DEPLOYMENT_TARGET}")
+ else()
+ list (APPEND _compileFlags "-mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET}")
+ endif()
+ endif()
+ endif()
+ if (COTIRE_DEBUG AND _compileFlags)
+ message (STATUS "Target ${_target} compile flags: ${_compileFlags}")
+ endif()
+ set (${_flagsVar} ${_compileFlags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_target_include_directories _config _language _target _includeDirsVar _systemIncludeDirsVar)
+ set (_includeDirs "")
+ set (_systemIncludeDirs "")
+ # default include dirs
+ if (CMAKE_INCLUDE_CURRENT_DIR)
+ list (APPEND _includeDirs "${CMAKE_CURRENT_BINARY_DIR}")
+ list (APPEND _includeDirs "${CMAKE_CURRENT_SOURCE_DIR}")
+ endif()
+ set (_targetFlags "")
+ cotire_get_target_compile_flags("${_config}" "${_language}" "${_target}" _targetFlags)
+ # parse additional include directories from target compile flags
+ if (CMAKE_INCLUDE_FLAG_${_language})
+ string (STRIP "${CMAKE_INCLUDE_FLAG_${_language}}" _includeFlag)
+ string (REGEX REPLACE "^[-/]+" "" _includeFlag "${_includeFlag}")
+ if (_includeFlag)
+ set (_dirs "")
+ cotire_filter_compile_flags("${_language}" "${_includeFlag}" _dirs _ignore ${_targetFlags})
+ if (_dirs)
+ list (APPEND _includeDirs ${_dirs})
+ endif()
+ endif()
+ endif()
+ # parse additional system include directories from target compile flags
+ if (CMAKE_INCLUDE_SYSTEM_FLAG_${_language})
+ string (STRIP "${CMAKE_INCLUDE_SYSTEM_FLAG_${_language}}" _includeFlag)
+ string (REGEX REPLACE "^[-/]+" "" _includeFlag "${_includeFlag}")
+ if (_includeFlag)
+ set (_dirs "")
+ cotire_filter_compile_flags("${_language}" "${_includeFlag}" _dirs _ignore ${_targetFlags})
+ if (_dirs)
+ list (APPEND _systemIncludeDirs ${_dirs})
+ endif()
+ endif()
+ endif()
+ # target include directories
+ get_directory_property(_dirs DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" INCLUDE_DIRECTORIES)
+ if (_target)
+ get_target_property(_targetDirs ${_target} INCLUDE_DIRECTORIES)
+ if (_targetDirs)
+ list (APPEND _dirs ${_targetDirs})
+ endif()
+ get_target_property(_targetDirs ${_target} INTERFACE_SYSTEM_INCLUDE_DIRECTORIES)
+ if (_targetDirs)
+ list (APPEND _systemIncludeDirs ${_targetDirs})
+ endif()
+ endif()
+ # interface include directories from linked library targets
+ if (_target)
+ set (_linkedTargets "")
+ cotire_get_target_usage_requirements(${_target} ${_config} _linkedTargets)
+ foreach (_linkedTarget ${_linkedTargets})
+ get_target_property(_linkedTargetType ${_linkedTarget} TYPE)
+ if (CMAKE_INCLUDE_CURRENT_DIR_IN_INTERFACE AND NOT CMAKE_VERSION VERSION_LESS "3.4.0" AND
+ _linkedTargetType MATCHES "(STATIC|SHARED|MODULE|OBJECT)_LIBRARY")
+ # CMAKE_INCLUDE_CURRENT_DIR_IN_INTERFACE refers to CMAKE_CURRENT_BINARY_DIR and CMAKE_CURRENT_SOURCE_DIR
+ # at the time, when the target was created. These correspond to the target properties BINARY_DIR and SOURCE_DIR
+ # which are only available with CMake 3.4 or later.
+ get_target_property(_targetDirs ${_linkedTarget} BINARY_DIR)
+ if (_targetDirs)
+ list (APPEND _dirs ${_targetDirs})
+ endif()
+ get_target_property(_targetDirs ${_linkedTarget} SOURCE_DIR)
+ if (_targetDirs)
+ list (APPEND _dirs ${_targetDirs})
+ endif()
+ endif()
+ get_target_property(_targetDirs ${_linkedTarget} INTERFACE_INCLUDE_DIRECTORIES)
+ if (_targetDirs)
+ list (APPEND _dirs ${_targetDirs})
+ endif()
+ get_target_property(_targetDirs ${_linkedTarget} INTERFACE_SYSTEM_INCLUDE_DIRECTORIES)
+ if (_targetDirs)
+ list (APPEND _systemIncludeDirs ${_targetDirs})
+ endif()
+ endforeach()
+ endif()
+ if (dirs)
+ list (REMOVE_DUPLICATES _dirs)
+ endif()
+ list (LENGTH _includeDirs _projectInsertIndex)
+ foreach (_dir ${_dirs})
+ if (CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE)
+ cotire_check_is_path_relative_to("${_dir}" _isRelative "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}")
+ if (_isRelative)
+ list (LENGTH _includeDirs _len)
+ if (_len EQUAL _projectInsertIndex)
+ list (APPEND _includeDirs "${_dir}")
+ else()
+ list (INSERT _includeDirs _projectInsertIndex "${_dir}")
+ endif()
+ math (EXPR _projectInsertIndex "${_projectInsertIndex} + 1")
+ else()
+ list (APPEND _includeDirs "${_dir}")
+ endif()
+ else()
+ list (APPEND _includeDirs "${_dir}")
+ endif()
+ endforeach()
+ list (REMOVE_DUPLICATES _includeDirs)
+ list (REMOVE_DUPLICATES _systemIncludeDirs)
+ if (CMAKE_${_language}_IMPLICIT_INCLUDE_DIRECTORIES)
+ list (REMOVE_ITEM _includeDirs ${CMAKE_${_language}_IMPLICIT_INCLUDE_DIRECTORIES})
+ endif()
+ if (WIN32 AND NOT MINGW)
+ # convert Windows paths in include directories to CMake paths
+ if (_includeDirs)
+ set (_paths "")
+ foreach (_dir ${_includeDirs})
+ file (TO_CMAKE_PATH "${_dir}" _path)
+ list (APPEND _paths "${_path}")
+ endforeach()
+ set (_includeDirs ${_paths})
+ endif()
+ if (_systemIncludeDirs)
+ set (_paths "")
+ foreach (_dir ${_systemIncludeDirs})
+ file (TO_CMAKE_PATH "${_dir}" _path)
+ list (APPEND _paths "${_path}")
+ endforeach()
+ set (_systemIncludeDirs ${_paths})
+ endif()
+ endif()
+ if (COTIRE_DEBUG AND _includeDirs)
+ message (STATUS "Target ${_target} include dirs: ${_includeDirs}")
+ endif()
+ set (${_includeDirsVar} ${_includeDirs} PARENT_SCOPE)
+ if (COTIRE_DEBUG AND _systemIncludeDirs)
+ message (STATUS "Target ${_target} system include dirs: ${_systemIncludeDirs}")
+ endif()
+ set (${_systemIncludeDirsVar} ${_systemIncludeDirs} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_target_export_symbol _target _exportSymbolVar)
+ set (_exportSymbol "")
+ get_target_property(_targetType ${_target} TYPE)
+ get_target_property(_enableExports ${_target} ENABLE_EXPORTS)
+ if (_targetType MATCHES "(SHARED|MODULE)_LIBRARY" OR
+ (_targetType STREQUAL "EXECUTABLE" AND _enableExports))
+ get_target_property(_exportSymbol ${_target} DEFINE_SYMBOL)
+ if (NOT _exportSymbol)
+ set (_exportSymbol "${_target}_EXPORTS")
+ endif()
+ string (MAKE_C_IDENTIFIER "${_exportSymbol}" _exportSymbol)
+ endif()
+ set (${_exportSymbolVar} ${_exportSymbol} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_target_compile_definitions _config _language _target _definitionsVar)
+ string (TOUPPER "${_config}" _upperConfig)
+ set (_configDefinitions "")
+ # CMAKE_INTDIR for multi-configuration build systems
+ if (NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
+ list (APPEND _configDefinitions "CMAKE_INTDIR=\"${_config}\"")
+ endif()
+ # target export define symbol
+ cotire_get_target_export_symbol("${_target}" _defineSymbol)
+ if (_defineSymbol)
+ list (APPEND _configDefinitions "${_defineSymbol}")
+ endif()
+ # directory compile definitions
+ get_directory_property(_definitions DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" COMPILE_DEFINITIONS)
+ if (_definitions)
+ list (APPEND _configDefinitions ${_definitions})
+ endif()
+ get_directory_property(_definitions DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" COMPILE_DEFINITIONS_${_upperConfig})
+ if (_definitions)
+ list (APPEND _configDefinitions ${_definitions})
+ endif()
+ # target compile definitions
+ get_target_property(_definitions ${_target} COMPILE_DEFINITIONS)
+ if (_definitions)
+ list (APPEND _configDefinitions ${_definitions})
+ endif()
+ get_target_property(_definitions ${_target} COMPILE_DEFINITIONS_${_upperConfig})
+ if (_definitions)
+ list (APPEND _configDefinitions ${_definitions})
+ endif()
+ # interface compile definitions from linked library targets
+ set (_linkedTargets "")
+ cotire_get_target_usage_requirements(${_target} ${_config} _linkedTargets)
+ foreach (_linkedTarget ${_linkedTargets})
+ get_target_property(_definitions ${_linkedTarget} INTERFACE_COMPILE_DEFINITIONS)
+ if (_definitions)
+ list (APPEND _configDefinitions ${_definitions})
+ endif()
+ endforeach()
+ # parse additional compile definitions from target compile flags
+ # and don't look at directory compile definitions, which we already handled
+ set (_targetFlags "")
+ cotire_get_target_compile_flags("${_config}" "${_language}" "${_target}" _targetFlags)
+ cotire_filter_compile_flags("${_language}" "D" _definitions _ignore ${_targetFlags})
+ if (_definitions)
+ list (APPEND _configDefinitions ${_definitions})
+ endif()
+ list (REMOVE_DUPLICATES _configDefinitions)
+ if (COTIRE_DEBUG AND _configDefinitions)
+ message (STATUS "Target ${_target} compile definitions: ${_configDefinitions}")
+ endif()
+ set (${_definitionsVar} ${_configDefinitions} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_target_compiler_flags _config _language _target _compilerFlagsVar)
+ # parse target compile flags omitting compile definitions and include directives
+ set (_targetFlags "")
+ cotire_get_target_compile_flags("${_config}" "${_language}" "${_target}" _targetFlags)
+ set (_flagFilter "D")
+ if (CMAKE_INCLUDE_FLAG_${_language})
+ string (STRIP "${CMAKE_INCLUDE_FLAG_${_language}}" _includeFlag)
+ string (REGEX REPLACE "^[-/]+" "" _includeFlag "${_includeFlag}")
+ if (_includeFlag)
+ set (_flagFilter "${_flagFilter}|${_includeFlag}")
+ endif()
+ endif()
+ if (CMAKE_INCLUDE_SYSTEM_FLAG_${_language})
+ string (STRIP "${CMAKE_INCLUDE_SYSTEM_FLAG_${_language}}" _includeFlag)
+ string (REGEX REPLACE "^[-/]+" "" _includeFlag "${_includeFlag}")
+ if (_includeFlag)
+ set (_flagFilter "${_flagFilter}|${_includeFlag}")
+ endif()
+ endif()
+ set (_compilerFlags "")
+ cotire_filter_compile_flags("${_language}" "${_flagFilter}" _ignore _compilerFlags ${_targetFlags})
+ if (COTIRE_DEBUG AND _compilerFlags)
+ message (STATUS "Target ${_target} compiler flags: ${_compilerFlags}")
+ endif()
+ set (${_compilerFlagsVar} ${_compilerFlags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_add_sys_root_paths _pathsVar)
+ if (APPLE)
+ if (CMAKE_OSX_SYSROOT AND CMAKE_${_language}_HAS_ISYSROOT)
+ foreach (_path IN LISTS ${_pathsVar})
+ if (IS_ABSOLUTE "${_path}")
+ get_filename_component(_path "${CMAKE_OSX_SYSROOT}/${_path}" ABSOLUTE)
+ if (EXISTS "${_path}")
+ list (APPEND ${_pathsVar} "${_path}")
+ endif()
+ endif()
+ endforeach()
+ endif()
+ endif()
+ set (${_pathsVar} ${${_pathsVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_extra_properties _sourceFile _pattern _resultVar)
+ set (_extraProperties ${ARGN})
+ set (_result "")
+ if (_extraProperties)
+ list (FIND _extraProperties "${_sourceFile}" _index)
+ if (_index GREATER -1)
+ math (EXPR _index "${_index} + 1")
+ list (LENGTH _extraProperties _len)
+ math (EXPR _len "${_len} - 1")
+ foreach (_index RANGE ${_index} ${_len})
+ list (GET _extraProperties ${_index} _value)
+ if (_value MATCHES "${_pattern}")
+ list (APPEND _result "${_value}")
+ else()
+ break()
+ endif()
+ endforeach()
+ endif()
+ endif()
+ set (${_resultVar} ${_result} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_compile_definitions _config _language _sourceFile _definitionsVar)
+ set (_compileDefinitions "")
+ if (NOT CMAKE_SCRIPT_MODE_FILE)
+ string (TOUPPER "${_config}" _upperConfig)
+ get_source_file_property(_definitions "${_sourceFile}" COMPILE_DEFINITIONS)
+ if (_definitions)
+ list (APPEND _compileDefinitions ${_definitions})
+ endif()
+ get_source_file_property(_definitions "${_sourceFile}" COMPILE_DEFINITIONS_${_upperConfig})
+ if (_definitions)
+ list (APPEND _compileDefinitions ${_definitions})
+ endif()
+ endif()
+ cotire_get_source_extra_properties("${_sourceFile}" "^[a-zA-Z0-9_]+(=.*)?$" _definitions ${ARGN})
+ if (_definitions)
+ list (APPEND _compileDefinitions ${_definitions})
+ endif()
+ if (COTIRE_DEBUG AND _compileDefinitions)
+ message (STATUS "Source ${_sourceFile} compile definitions: ${_compileDefinitions}")
+ endif()
+ set (${_definitionsVar} ${_compileDefinitions} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_files_compile_definitions _config _language _definitionsVar)
+ set (_configDefinitions "")
+ foreach (_sourceFile ${ARGN})
+ cotire_get_source_compile_definitions("${_config}" "${_language}" "${_sourceFile}" _sourceDefinitions)
+ if (_sourceDefinitions)
+ list (APPEND _configDefinitions "${_sourceFile}" ${_sourceDefinitions} "-")
+ endif()
+ endforeach()
+ set (${_definitionsVar} ${_configDefinitions} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_undefs _sourceFile _property _sourceUndefsVar)
+ set (_sourceUndefs "")
+ if (NOT CMAKE_SCRIPT_MODE_FILE)
+ get_source_file_property(_undefs "${_sourceFile}" ${_property})
+ if (_undefs)
+ list (APPEND _sourceUndefs ${_undefs})
+ endif()
+ endif()
+ cotire_get_source_extra_properties("${_sourceFile}" "^[a-zA-Z0-9_]+$" _undefs ${ARGN})
+ if (_undefs)
+ list (APPEND _sourceUndefs ${_undefs})
+ endif()
+ if (COTIRE_DEBUG AND _sourceUndefs)
+ message (STATUS "Source ${_sourceFile} ${_property} undefs: ${_sourceUndefs}")
+ endif()
+ set (${_sourceUndefsVar} ${_sourceUndefs} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_source_files_undefs _property _sourceUndefsVar)
+ set (_sourceUndefs "")
+ foreach (_sourceFile ${ARGN})
+ cotire_get_source_undefs("${_sourceFile}" ${_property} _undefs)
+ if (_undefs)
+ list (APPEND _sourceUndefs "${_sourceFile}" ${_undefs} "-")
+ endif()
+ endforeach()
+ set (${_sourceUndefsVar} ${_sourceUndefs} PARENT_SCOPE)
+endfunction()
+
+macro (cotire_set_cmd_to_prologue _cmdVar)
+ set (${_cmdVar} "${CMAKE_COMMAND}")
+ if (COTIRE_DEBUG)
+ list (APPEND ${_cmdVar} "--warn-uninitialized")
+ endif()
+ list (APPEND ${_cmdVar} "-DCOTIRE_BUILD_TYPE:STRING=$<CONFIGURATION>")
+ if (XCODE)
+ list (APPEND ${_cmdVar} "-DXCODE:BOOL=TRUE")
+ endif()
+ if (COTIRE_VERBOSE)
+ list (APPEND ${_cmdVar} "-DCOTIRE_VERBOSE:BOOL=ON")
+ elseif("${CMAKE_GENERATOR}" MATCHES "Makefiles")
+ list (APPEND ${_cmdVar} "-DCOTIRE_VERBOSE:BOOL=$(VERBOSE)")
+ endif()
+endmacro()
+
+function (cotire_init_compile_cmd _cmdVar _language _compilerLauncher _compilerExe _compilerArg1)
+ if (NOT _compilerLauncher)
+ set (_compilerLauncher ${CMAKE_${_language}_COMPILER_LAUNCHER})
+ endif()
+ if (NOT _compilerExe)
+ set (_compilerExe "${CMAKE_${_language}_COMPILER}")
+ endif()
+ if (NOT _compilerArg1)
+ set (_compilerArg1 ${CMAKE_${_language}_COMPILER_ARG1})
+ endif()
+ string (STRIP "${_compilerArg1}" _compilerArg1)
+ if ("${CMAKE_GENERATOR}" MATCHES "Make|Ninja")
+ # compiler launcher is only supported for Makefile and Ninja
+ set (${_cmdVar} ${_compilerLauncher} "${_compilerExe}" ${_compilerArg1} PARENT_SCOPE)
+ else()
+ set (${_cmdVar} "${_compilerExe}" ${_compilerArg1} PARENT_SCOPE)
+ endif()
+endfunction()
+
+macro (cotire_add_definitions_to_cmd _cmdVar _language)
+ foreach (_definition ${ARGN})
+ if (WIN32 AND CMAKE_${_language}_COMPILER_ID MATCHES "MSVC|Intel")
+ list (APPEND ${_cmdVar} "/D${_definition}")
+ else()
+ list (APPEND ${_cmdVar} "-D${_definition}")
+ endif()
+ endforeach()
+endmacro()
+
+function (cotire_add_includes_to_cmd _cmdVar _language _includesVar _systemIncludesVar)
+ set (_includeDirs ${${_includesVar}} ${${_systemIncludesVar}})
+ if (_includeDirs)
+ list (REMOVE_DUPLICATES _includeDirs)
+ foreach (_include ${_includeDirs})
+ if (WIN32 AND CMAKE_${_language}_COMPILER_ID MATCHES "MSVC|Intel")
+ file (TO_NATIVE_PATH "${_include}" _include)
+ list (APPEND ${_cmdVar} "${CMAKE_INCLUDE_FLAG_${_language}}${CMAKE_INCLUDE_FLAG_SEP_${_language}}${_include}")
+ else()
+ set (_index -1)
+ if ("${CMAKE_INCLUDE_SYSTEM_FLAG_${_language}}" MATCHES ".+")
+ list (FIND ${_systemIncludesVar} "${_include}" _index)
+ endif()
+ if (_index GREATER -1)
+ list (APPEND ${_cmdVar} "${CMAKE_INCLUDE_SYSTEM_FLAG_${_language}}${CMAKE_INCLUDE_FLAG_SEP_${_language}}${_include}")
+ else()
+ list (APPEND ${_cmdVar} "${CMAKE_INCLUDE_FLAG_${_language}}${CMAKE_INCLUDE_FLAG_SEP_${_language}}${_include}")
+ endif()
+ endif()
+ endforeach()
+ endif()
+ set (${_cmdVar} ${${_cmdVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_add_frameworks_to_cmd _cmdVar _language _includesVar _systemIncludesVar)
+ if (APPLE)
+ set (_frameworkDirs "")
+ foreach (_include ${${_includesVar}})
+ if (IS_ABSOLUTE "${_include}" AND _include MATCHES "\\.framework$")
+ get_filename_component(_frameworkDir "${_include}" DIRECTORY)
+ list (APPEND _frameworkDirs "${_frameworkDir}")
+ endif()
+ endforeach()
+ set (_systemFrameworkDirs "")
+ foreach (_include ${${_systemIncludesVar}})
+ if (IS_ABSOLUTE "${_include}" AND _include MATCHES "\\.framework$")
+ get_filename_component(_frameworkDir "${_include}" DIRECTORY)
+ list (APPEND _systemFrameworkDirs "${_frameworkDir}")
+ endif()
+ endforeach()
+ if (_systemFrameworkDirs)
+ list (APPEND _frameworkDirs ${_systemFrameworkDirs})
+ endif()
+ if (_frameworkDirs)
+ list (REMOVE_DUPLICATES _frameworkDirs)
+ foreach (_frameworkDir ${_frameworkDirs})
+ set (_index -1)
+ if ("${CMAKE_${_language}_SYSTEM_FRAMEWORK_SEARCH_FLAG}" MATCHES ".+")
+ list (FIND _systemFrameworkDirs "${_frameworkDir}" _index)
+ endif()
+ if (_index GREATER -1)
+ list (APPEND ${_cmdVar} "${CMAKE_${_language}_SYSTEM_FRAMEWORK_SEARCH_FLAG}${_frameworkDir}")
+ else()
+ list (APPEND ${_cmdVar} "${CMAKE_${_language}_FRAMEWORK_SEARCH_FLAG}${_frameworkDir}")
+ endif()
+ endforeach()
+ endif()
+ endif()
+ set (${_cmdVar} ${${_cmdVar}} PARENT_SCOPE)
+endfunction()
+
+macro (cotire_add_compile_flags_to_cmd _cmdVar)
+ foreach (_flag ${ARGN})
+ list (APPEND ${_cmdVar} "${_flag}")
+ endforeach()
+endmacro()
+
+function (cotire_check_file_up_to_date _fileIsUpToDateVar _file)
+ if (EXISTS "${_file}")
+ set (_triggerFile "")
+ foreach (_dependencyFile ${ARGN})
+ if (EXISTS "${_dependencyFile}")
+ # IS_NEWER_THAN returns TRUE if both files have the same timestamp
+ # thus we do the comparison in both directions to exclude ties
+ if ("${_dependencyFile}" IS_NEWER_THAN "${_file}" AND
+ NOT "${_file}" IS_NEWER_THAN "${_dependencyFile}")
+ set (_triggerFile "${_dependencyFile}")
+ break()
+ endif()
+ endif()
+ endforeach()
+ if (_triggerFile)
+ if (COTIRE_VERBOSE)
+ get_filename_component(_fileName "${_file}" NAME)
+ message (STATUS "${_fileName} update triggered by ${_triggerFile} change.")
+ endif()
+ set (${_fileIsUpToDateVar} FALSE PARENT_SCOPE)
+ else()
+ if (COTIRE_VERBOSE)
+ get_filename_component(_fileName "${_file}" NAME)
+ message (STATUS "${_fileName} is up-to-date.")
+ endif()
+ set (${_fileIsUpToDateVar} TRUE PARENT_SCOPE)
+ endif()
+ else()
+ if (COTIRE_VERBOSE)
+ get_filename_component(_fileName "${_file}" NAME)
+ message (STATUS "${_fileName} does not exist yet.")
+ endif()
+ set (${_fileIsUpToDateVar} FALSE PARENT_SCOPE)
+ endif()
+endfunction()
+
+macro (cotire_find_closest_relative_path _headerFile _includeDirs _relPathVar)
+ set (${_relPathVar} "")
+ foreach (_includeDir ${_includeDirs})
+ if (IS_DIRECTORY "${_includeDir}")
+ file (RELATIVE_PATH _relPath "${_includeDir}" "${_headerFile}")
+ if (NOT IS_ABSOLUTE "${_relPath}" AND NOT "${_relPath}" MATCHES "^\\.\\.")
+ string (LENGTH "${${_relPathVar}}" _closestLen)
+ string (LENGTH "${_relPath}" _relLen)
+ if (_closestLen EQUAL 0 OR _relLen LESS _closestLen)
+ set (${_relPathVar} "${_relPath}")
+ endif()
+ endif()
+ elseif ("${_includeDir}" STREQUAL "${_headerFile}")
+ # if path matches exactly, return short non-empty string
+ set (${_relPathVar} "1")
+ break()
+ endif()
+ endforeach()
+endmacro()
+
+macro (cotire_check_header_file_location _headerFile _insideIncludeDirs _outsideIncludeDirs _headerIsInside)
+ # check header path against ignored and honored include directories
+ cotire_find_closest_relative_path("${_headerFile}" "${_insideIncludeDirs}" _insideRelPath)
+ if (_insideRelPath)
+ # header is inside, but could be become outside if there is a shorter outside match
+ cotire_find_closest_relative_path("${_headerFile}" "${_outsideIncludeDirs}" _outsideRelPath)
+ if (_outsideRelPath)
+ string (LENGTH "${_insideRelPath}" _insideRelPathLen)
+ string (LENGTH "${_outsideRelPath}" _outsideRelPathLen)
+ if (_outsideRelPathLen LESS _insideRelPathLen)
+ set (${_headerIsInside} FALSE)
+ else()
+ set (${_headerIsInside} TRUE)
+ endif()
+ else()
+ set (${_headerIsInside} TRUE)
+ endif()
+ else()
+ # header is outside
+ set (${_headerIsInside} FALSE)
+ endif()
+endmacro()
+
+macro (cotire_check_ignore_header_file_path _headerFile _headerIsIgnoredVar)
+ if (NOT EXISTS "${_headerFile}")
+ set (${_headerIsIgnoredVar} TRUE)
+ elseif (IS_DIRECTORY "${_headerFile}")
+ set (${_headerIsIgnoredVar} TRUE)
+ elseif ("${_headerFile}" MATCHES "\\.\\.|[_-]fixed" AND "${_headerFile}" MATCHES "\\.h$")
+ # heuristic: ignore C headers with embedded parent directory references or "-fixed" or "_fixed" in path
+ # these often stem from using GCC #include_next tricks, which may break the precompiled header compilation
+ # with the error message "error: no include path in which to search for header.h"
+ set (${_headerIsIgnoredVar} TRUE)
+ else()
+ set (${_headerIsIgnoredVar} FALSE)
+ endif()
+endmacro()
+
+macro (cotire_check_ignore_header_file_ext _headerFile _ignoreExtensionsVar _headerIsIgnoredVar)
+ # check header file extension
+ cotire_get_source_file_extension("${_headerFile}" _headerFileExt)
+ set (${_headerIsIgnoredVar} FALSE)
+ if (_headerFileExt)
+ list (FIND ${_ignoreExtensionsVar} "${_headerFileExt}" _index)
+ if (_index GREATER -1)
+ set (${_headerIsIgnoredVar} TRUE)
+ endif()
+ endif()
+endmacro()
+
+macro (cotire_parse_line _line _headerFileVar _headerDepthVar)
+ if (MSVC)
+ # cl.exe /showIncludes output looks different depending on the language pack used, e.g.:
+ # English: "Note: including file: C:\directory\file"
+ # German: "Hinweis: Einlesen der Datei: C:\directory\file"
+ # We use a very general regular expression, relying on the presence of the : characters
+ if (_line MATCHES "( +)([a-zA-Z]:[^:]+)$")
+ # Visual Studio compiler output
+ string (LENGTH "${CMAKE_MATCH_1}" ${_headerDepthVar})
+ get_filename_component(${_headerFileVar} "${CMAKE_MATCH_2}" ABSOLUTE)
+ else()
+ set (${_headerFileVar} "")
+ set (${_headerDepthVar} 0)
+ endif()
+ else()
+ if (_line MATCHES "^(\\.+) (.*)$")
+ # GCC like output
+ string (LENGTH "${CMAKE_MATCH_1}" ${_headerDepthVar})
+ if (IS_ABSOLUTE "${CMAKE_MATCH_2}")
+ set (${_headerFileVar} "${CMAKE_MATCH_2}")
+ else()
+ get_filename_component(${_headerFileVar} "${CMAKE_MATCH_2}" REALPATH)
+ endif()
+ else()
+ set (${_headerFileVar} "")
+ set (${_headerDepthVar} 0)
+ endif()
+ endif()
+endmacro()
+
+function (cotire_parse_includes _language _scanOutput _ignoredIncludeDirs _honoredIncludeDirs _ignoredExtensions _selectedIncludesVar _unparsedLinesVar)
+ if (WIN32)
+ # prevent CMake macro invocation errors due to backslash characters in Windows paths
+ string (REPLACE "\\" "/" _scanOutput "${_scanOutput}")
+ endif()
+ # canonize slashes
+ string (REPLACE "//" "/" _scanOutput "${_scanOutput}")
+ # prevent semicolon from being interpreted as a line separator
+ string (REPLACE ";" "\\;" _scanOutput "${_scanOutput}")
+ # then separate lines
+ string (REGEX REPLACE "\n" ";" _scanOutput "${_scanOutput}")
+ list (LENGTH _scanOutput _len)
+ # remove duplicate lines to speed up parsing
+ list (REMOVE_DUPLICATES _scanOutput)
+ list (LENGTH _scanOutput _uniqueLen)
+ if (COTIRE_VERBOSE OR COTIRE_DEBUG)
+ message (STATUS "Scanning ${_uniqueLen} unique lines of ${_len} for includes")
+ if (_ignoredExtensions)
+ message (STATUS "Ignored extensions: ${_ignoredExtensions}")
+ endif()
+ if (_ignoredIncludeDirs)
+ message (STATUS "Ignored paths: ${_ignoredIncludeDirs}")
+ endif()
+ if (_honoredIncludeDirs)
+ message (STATUS "Included paths: ${_honoredIncludeDirs}")
+ endif()
+ endif()
+ set (_sourceFiles ${ARGN})
+ set (_selectedIncludes "")
+ set (_unparsedLines "")
+ # stack keeps track of inside/outside project status of processed header files
+ set (_headerIsInsideStack "")
+ foreach (_line IN LISTS _scanOutput)
+ if (_line)
+ cotire_parse_line("${_line}" _headerFile _headerDepth)
+ if (_headerFile)
+ cotire_check_header_file_location("${_headerFile}" "${_ignoredIncludeDirs}" "${_honoredIncludeDirs}" _headerIsInside)
+ if (COTIRE_DEBUG)
+ message (STATUS "${_headerDepth}: ${_headerFile} ${_headerIsInside}")
+ endif()
+ # update stack
+ list (LENGTH _headerIsInsideStack _stackLen)
+ if (_headerDepth GREATER _stackLen)
+ math (EXPR _stackLen "${_stackLen} + 1")
+ foreach (_index RANGE ${_stackLen} ${_headerDepth})
+ list (APPEND _headerIsInsideStack ${_headerIsInside})
+ endforeach()
+ else()
+ foreach (_index RANGE ${_headerDepth} ${_stackLen})
+ list (REMOVE_AT _headerIsInsideStack -1)
+ endforeach()
+ list (APPEND _headerIsInsideStack ${_headerIsInside})
+ endif()
+ if (COTIRE_DEBUG)
+ message (STATUS "${_headerIsInsideStack}")
+ endif()
+ # header is a candidate if it is outside project
+ if (NOT _headerIsInside)
+ # get parent header file's inside/outside status
+ if (_headerDepth GREATER 1)
+ math (EXPR _index "${_headerDepth} - 2")
+ list (GET _headerIsInsideStack ${_index} _parentHeaderIsInside)
+ else()
+ set (_parentHeaderIsInside TRUE)
+ endif()
+ # select header file if parent header file is inside project
+ # (e.g., a project header file that includes a standard header file)
+ if (_parentHeaderIsInside)
+ cotire_check_ignore_header_file_path("${_headerFile}" _headerIsIgnored)
+ if (NOT _headerIsIgnored)
+ cotire_check_ignore_header_file_ext("${_headerFile}" _ignoredExtensions _headerIsIgnored)
+ if (NOT _headerIsIgnored)
+ list (APPEND _selectedIncludes "${_headerFile}")
+ else()
+ # fix header's inside status on stack, it is ignored by extension now
+ list (REMOVE_AT _headerIsInsideStack -1)
+ list (APPEND _headerIsInsideStack TRUE)
+ endif()
+ endif()
+ if (COTIRE_DEBUG)
+ message (STATUS "${_headerFile} ${_ignoredExtensions} ${_headerIsIgnored}")
+ endif()
+ endif()
+ endif()
+ else()
+ if (MSVC)
+ # for cl.exe do not keep unparsed lines which solely consist of a source file name
+ string (FIND "${_sourceFiles}" "${_line}" _index)
+ if (_index LESS 0)
+ list (APPEND _unparsedLines "${_line}")
+ endif()
+ else()
+ list (APPEND _unparsedLines "${_line}")
+ endif()
+ endif()
+ endif()
+ endforeach()
+ list (REMOVE_DUPLICATES _selectedIncludes)
+ set (${_selectedIncludesVar} ${_selectedIncludes} PARENT_SCOPE)
+ set (${_unparsedLinesVar} ${_unparsedLines} PARENT_SCOPE)
+endfunction()
+
+function (cotire_scan_includes _includesVar)
+ set(_options "")
+ set(_oneValueArgs COMPILER_ID COMPILER_EXECUTABLE COMPILER_ARG1 COMPILER_VERSION LANGUAGE UNPARSED_LINES SCAN_RESULT)
+ set(_multiValueArgs COMPILE_DEFINITIONS COMPILE_FLAGS INCLUDE_DIRECTORIES SYSTEM_INCLUDE_DIRECTORIES
+ IGNORE_PATH INCLUDE_PATH IGNORE_EXTENSIONS INCLUDE_PRIORITY_PATH COMPILER_LAUNCHER)
+ cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+ set (_sourceFiles ${_option_UNPARSED_ARGUMENTS})
+ if (NOT _option_LANGUAGE)
+ set (_option_LANGUAGE "CXX")
+ endif()
+ if (NOT _option_COMPILER_ID)
+ set (_option_COMPILER_ID "${CMAKE_${_option_LANGUAGE}_ID}")
+ endif()
+ if (NOT _option_COMPILER_VERSION)
+ set (_option_COMPILER_VERSION "${CMAKE_${_option_LANGUAGE}_COMPILER_VERSION}")
+ endif()
+ cotire_init_compile_cmd(_cmd "${_option_LANGUAGE}" "${_option_COMPILER_LAUNCHER}" "${_option_COMPILER_EXECUTABLE}" "${_option_COMPILER_ARG1}")
+ cotire_add_definitions_to_cmd(_cmd "${_option_LANGUAGE}" ${_option_COMPILE_DEFINITIONS})
+ cotire_add_compile_flags_to_cmd(_cmd ${_option_COMPILE_FLAGS})
+ cotire_add_includes_to_cmd(_cmd "${_option_LANGUAGE}" _option_INCLUDE_DIRECTORIES _option_SYSTEM_INCLUDE_DIRECTORIES)
+ cotire_add_frameworks_to_cmd(_cmd "${_option_LANGUAGE}" _option_INCLUDE_DIRECTORIES _option_SYSTEM_INCLUDE_DIRECTORIES)
+ cotire_add_makedep_flags("${_option_LANGUAGE}" "${_option_COMPILER_ID}" "${_option_COMPILER_VERSION}" _cmd)
+ # only consider existing source files for scanning
+ set (_existingSourceFiles "")
+ foreach (_sourceFile ${_sourceFiles})
+ if (EXISTS "${_sourceFile}")
+ list (APPEND _existingSourceFiles "${_sourceFile}")
+ endif()
+ endforeach()
+ if (NOT _existingSourceFiles)
+ set (${_includesVar} "" PARENT_SCOPE)
+ return()
+ endif()
+ list (APPEND _cmd ${_existingSourceFiles})
+ if (COTIRE_VERBOSE)
+ message (STATUS "execute_process: ${_cmd}")
+ endif()
+ if (_option_COMPILER_ID MATCHES "MSVC")
+ # cl.exe messes with the output streams unless the environment variable VS_UNICODE_OUTPUT is cleared
+ unset (ENV{VS_UNICODE_OUTPUT})
+ endif()
+ execute_process(
+ COMMAND ${_cmd}
+ WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+ RESULT_VARIABLE _result
+ OUTPUT_QUIET
+ ERROR_VARIABLE _output)
+ if (_result)
+ message (STATUS "Result ${_result} scanning includes of ${_existingSourceFiles}.")
+ endif()
+ cotire_parse_includes(
+ "${_option_LANGUAGE}" "${_output}"
+ "${_option_IGNORE_PATH}" "${_option_INCLUDE_PATH}"
+ "${_option_IGNORE_EXTENSIONS}"
+ _includes _unparsedLines
+ ${_sourceFiles})
+ if (_option_INCLUDE_PRIORITY_PATH)
+ set (_sortedIncludes "")
+ foreach (_priorityPath ${_option_INCLUDE_PRIORITY_PATH})
+ foreach (_include ${_includes})
+ string (FIND ${_include} ${_priorityPath} _position)
+ if (_position GREATER -1)
+ list (APPEND _sortedIncludes ${_include})
+ endif()
+ endforeach()
+ endforeach()
+ if (_sortedIncludes)
+ list (INSERT _includes 0 ${_sortedIncludes})
+ list (REMOVE_DUPLICATES _includes)
+ endif()
+ endif()
+ set (${_includesVar} ${_includes} PARENT_SCOPE)
+ if (_option_UNPARSED_LINES)
+ set (${_option_UNPARSED_LINES} ${_unparsedLines} PARENT_SCOPE)
+ endif()
+ if (_option_SCAN_RESULT)
+ set (${_option_SCAN_RESULT} ${_result} PARENT_SCOPE)
+ endif()
+endfunction()
+
+macro (cotire_append_undefs _contentsVar)
+ set (_undefs ${ARGN})
+ if (_undefs)
+ list (REMOVE_DUPLICATES _undefs)
+ foreach (_definition ${_undefs})
+ list (APPEND ${_contentsVar} "#undef ${_definition}")
+ endforeach()
+ endif()
+endmacro()
+
+macro (cotire_comment_str _language _commentText _commentVar)
+ if ("${_language}" STREQUAL "CMAKE")
+ set (${_commentVar} "# ${_commentText}")
+ else()
+ set (${_commentVar} "/* ${_commentText} */")
+ endif()
+endmacro()
+
+function (cotire_write_file _language _file _contents _force)
+ get_filename_component(_moduleName "${COTIRE_CMAKE_MODULE_FILE}" NAME)
+ cotire_comment_str("${_language}" "${_moduleName} ${COTIRE_CMAKE_MODULE_VERSION} generated file" _header1)
+ cotire_comment_str("${_language}" "${_file}" _header2)
+ set (_contents "${_header1}\n${_header2}\n${_contents}")
+ if (COTIRE_DEBUG)
+ message (STATUS "${_contents}")
+ endif()
+ if (_force OR NOT EXISTS "${_file}")
+ file (WRITE "${_file}" "${_contents}")
+ else()
+ file (READ "${_file}" _oldContents)
+ if (NOT "${_oldContents}" STREQUAL "${_contents}")
+ file (WRITE "${_file}" "${_contents}")
+ else()
+ if (COTIRE_DEBUG)
+ message (STATUS "${_file} unchanged")
+ endif()
+ endif()
+ endif()
+endfunction()
+
+function (cotire_generate_unity_source _unityFile)
+ set(_options "")
+ set(_oneValueArgs LANGUAGE)
+ set(_multiValueArgs
+ DEPENDS SOURCES_COMPILE_DEFINITIONS
+ PRE_UNDEFS SOURCES_PRE_UNDEFS POST_UNDEFS SOURCES_POST_UNDEFS PROLOGUE EPILOGUE)
+ cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+ if (_option_DEPENDS)
+ cotire_check_file_up_to_date(_unityFileIsUpToDate "${_unityFile}" ${_option_DEPENDS})
+ if (_unityFileIsUpToDate)
+ return()
+ endif()
+ endif()
+ set (_sourceFiles ${_option_UNPARSED_ARGUMENTS})
+ if (NOT _option_PRE_UNDEFS)
+ set (_option_PRE_UNDEFS "")
+ endif()
+ if (NOT _option_SOURCES_PRE_UNDEFS)
+ set (_option_SOURCES_PRE_UNDEFS "")
+ endif()
+ if (NOT _option_POST_UNDEFS)
+ set (_option_POST_UNDEFS "")
+ endif()
+ if (NOT _option_SOURCES_POST_UNDEFS)
+ set (_option_SOURCES_POST_UNDEFS "")
+ endif()
+ set (_contents "")
+ if (_option_PROLOGUE)
+ list (APPEND _contents ${_option_PROLOGUE})
+ endif()
+ if (_option_LANGUAGE AND _sourceFiles)
+ if ("${_option_LANGUAGE}" STREQUAL "CXX")
+ list (APPEND _contents "#ifdef __cplusplus")
+ elseif ("${_option_LANGUAGE}" STREQUAL "C")
+ list (APPEND _contents "#ifndef __cplusplus")
+ endif()
+ endif()
+ set (_compileUndefinitions "")
+ foreach (_sourceFile ${_sourceFiles})
+ cotire_get_source_compile_definitions(
+ "${_option_CONFIGURATION}" "${_option_LANGUAGE}" "${_sourceFile}" _compileDefinitions
+ ${_option_SOURCES_COMPILE_DEFINITIONS})
+ cotire_get_source_undefs("${_sourceFile}" COTIRE_UNITY_SOURCE_PRE_UNDEFS _sourcePreUndefs ${_option_SOURCES_PRE_UNDEFS})
+ cotire_get_source_undefs("${_sourceFile}" COTIRE_UNITY_SOURCE_POST_UNDEFS _sourcePostUndefs ${_option_SOURCES_POST_UNDEFS})
+ if (_option_PRE_UNDEFS)
+ list (APPEND _compileUndefinitions ${_option_PRE_UNDEFS})
+ endif()
+ if (_sourcePreUndefs)
+ list (APPEND _compileUndefinitions ${_sourcePreUndefs})
+ endif()
+ if (_compileUndefinitions)
+ cotire_append_undefs(_contents ${_compileUndefinitions})
+ set (_compileUndefinitions "")
+ endif()
+ if (_sourcePostUndefs)
+ list (APPEND _compileUndefinitions ${_sourcePostUndefs})
+ endif()
+ if (_option_POST_UNDEFS)
+ list (APPEND _compileUndefinitions ${_option_POST_UNDEFS})
+ endif()
+ foreach (_definition ${_compileDefinitions})
+ if (_definition MATCHES "^([a-zA-Z0-9_]+)=(.+)$")
+ list (APPEND _contents "#define ${CMAKE_MATCH_1} ${CMAKE_MATCH_2}")
+ list (INSERT _compileUndefinitions 0 "${CMAKE_MATCH_1}")
+ else()
+ list (APPEND _contents "#define ${_definition}")
+ list (INSERT _compileUndefinitions 0 "${_definition}")
+ endif()
+ endforeach()
+ # use absolute path as source file location
+ get_filename_component(_sourceFileLocation "${_sourceFile}" ABSOLUTE)
+ if (WIN32)
+ file (TO_NATIVE_PATH "${_sourceFileLocation}" _sourceFileLocation)
+ endif()
+ list (APPEND _contents "#include \"${_sourceFileLocation}\"")
+ endforeach()
+ if (_compileUndefinitions)
+ cotire_append_undefs(_contents ${_compileUndefinitions})
+ set (_compileUndefinitions "")
+ endif()
+ if (_option_LANGUAGE AND _sourceFiles)
+ list (APPEND _contents "#endif")
+ endif()
+ if (_option_EPILOGUE)
+ list (APPEND _contents ${_option_EPILOGUE})
+ endif()
+ list (APPEND _contents "")
+ string (REPLACE ";" "\n" _contents "${_contents}")
+ if (COTIRE_VERBOSE)
+ message ("${_contents}")
+ endif()
+ cotire_write_file("${_option_LANGUAGE}" "${_unityFile}" "${_contents}" TRUE)
+endfunction()
+
+function (cotire_generate_prefix_header _prefixFile)
+ set(_options "")
+ set(_oneValueArgs LANGUAGE COMPILER_EXECUTABLE COMPILER_ARG1 COMPILER_ID COMPILER_VERSION)
+ set(_multiValueArgs DEPENDS COMPILE_DEFINITIONS COMPILE_FLAGS
+ INCLUDE_DIRECTORIES SYSTEM_INCLUDE_DIRECTORIES IGNORE_PATH INCLUDE_PATH
+ IGNORE_EXTENSIONS INCLUDE_PRIORITY_PATH COMPILER_LAUNCHER)
+ cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+ if (NOT _option_COMPILER_ID)
+ set (_option_COMPILER_ID "${CMAKE_${_option_LANGUAGE}_ID}")
+ endif()
+ if (NOT _option_COMPILER_VERSION)
+ set (_option_COMPILER_VERSION "${CMAKE_${_option_LANGUAGE}_COMPILER_VERSION}")
+ endif()
+ if (_option_DEPENDS)
+ cotire_check_file_up_to_date(_prefixFileIsUpToDate "${_prefixFile}" ${_option_DEPENDS})
+ if (_prefixFileIsUpToDate)
+ # create empty log file
+ set (_unparsedLinesFile "${_prefixFile}.log")
+ file (WRITE "${_unparsedLinesFile}" "")
+ return()
+ endif()
+ endif()
+ set (_prologue "")
+ set (_epilogue "")
+ if (_option_COMPILER_ID MATCHES "Clang")
+ set (_prologue "#pragma clang system_header")
+ elseif (_option_COMPILER_ID MATCHES "GNU")
+ set (_prologue "#pragma GCC system_header")
+ elseif (_option_COMPILER_ID MATCHES "MSVC")
+ set (_prologue "#pragma warning(push, 0)")
+ set (_epilogue "#pragma warning(pop)")
+ elseif (_option_COMPILER_ID MATCHES "Intel")
+ # Intel compiler requires hdrstop pragma to stop generating PCH file
+ set (_epilogue "#pragma hdrstop")
+ endif()
+ set (_sourceFiles ${_option_UNPARSED_ARGUMENTS})
+ cotire_scan_includes(_selectedHeaders ${_sourceFiles}
+ LANGUAGE "${_option_LANGUAGE}"
+ COMPILER_LAUNCHER "${_option_COMPILER_LAUNCHER}"
+ COMPILER_EXECUTABLE "${_option_COMPILER_EXECUTABLE}"
+ COMPILER_ARG1 "${_option_COMPILER_ARG1}"
+ COMPILER_ID "${_option_COMPILER_ID}"
+ COMPILER_VERSION "${_option_COMPILER_VERSION}"
+ COMPILE_DEFINITIONS ${_option_COMPILE_DEFINITIONS}
+ COMPILE_FLAGS ${_option_COMPILE_FLAGS}
+ INCLUDE_DIRECTORIES ${_option_INCLUDE_DIRECTORIES}
+ SYSTEM_INCLUDE_DIRECTORIES ${_option_SYSTEM_INCLUDE_DIRECTORIES}
+ IGNORE_PATH ${_option_IGNORE_PATH}
+ INCLUDE_PATH ${_option_INCLUDE_PATH}
+ IGNORE_EXTENSIONS ${_option_IGNORE_EXTENSIONS}
+ INCLUDE_PRIORITY_PATH ${_option_INCLUDE_PRIORITY_PATH}
+ UNPARSED_LINES _unparsedLines
+ SCAN_RESULT _scanResult)
+ cotire_generate_unity_source("${_prefixFile}"
+ PROLOGUE ${_prologue} EPILOGUE ${_epilogue} LANGUAGE "${_option_LANGUAGE}" ${_selectedHeaders})
+ set (_unparsedLinesFile "${_prefixFile}.log")
+ if (_unparsedLines)
+ if (COTIRE_VERBOSE OR _scanResult OR NOT _selectedHeaders)
+ list (LENGTH _unparsedLines _skippedLineCount)
+ message (STATUS "${_skippedLineCount} line(s) skipped, see ${_unparsedLinesFile}")
+ endif()
+ string (REPLACE ";" "\n" _unparsedLines "${_unparsedLines}")
+ endif()
+ file (WRITE "${_unparsedLinesFile}" "${_unparsedLines}")
+endfunction()
+
+function (cotire_add_makedep_flags _language _compilerID _compilerVersion _flagsVar)
+ set (_flags ${${_flagsVar}})
+ if (_compilerID MATCHES "MSVC")
+ # cl.exe options used
+ # /nologo suppresses display of sign-on banner
+ # /TC treat all files named on the command line as C source files
+ # /TP treat all files named on the command line as C++ source files
+ # /EP preprocess to stdout without #line directives
+ # /showIncludes list include files
+ set (_sourceFileTypeC "/TC")
+ set (_sourceFileTypeCXX "/TP")
+ if (_flags)
+ # append to list
+ list (APPEND _flags /nologo "${_sourceFileType${_language}}" /EP /showIncludes)
+ else()
+ # return as a flag string
+ set (_flags "${_sourceFileType${_language}} /EP /showIncludes")
+ endif()
+ elseif (_compilerID MATCHES "GNU")
+ # GCC options used
+ # -H print the name of each header file used
+ # -E invoke preprocessor
+ # -fdirectives-only do not expand macros, requires GCC >= 4.3
+ if (_flags)
+ # append to list
+ list (APPEND _flags -H -E)
+ if (NOT "${_compilerVersion}" VERSION_LESS "4.3.0")
+ list (APPEND _flags "-fdirectives-only")
+ endif()
+ else()
+ # return as a flag string
+ set (_flags "-H -E")
+ if (NOT "${_compilerVersion}" VERSION_LESS "4.3.0")
+ set (_flags "${_flags} -fdirectives-only")
+ endif()
+ endif()
+ elseif (_compilerID MATCHES "Clang")
+ # Clang options used
+ # -H print the name of each header file used
+ # -E invoke preprocessor
+ # -fno-color-diagnostics don't prints diagnostics in color
+ if (_flags)
+ # append to list
+ list (APPEND _flags -H -E -fno-color-diagnostics)
+ else()
+ # return as a flag string
+ set (_flags "-H -E -fno-color-diagnostics")
+ endif()
+ elseif (_compilerID MATCHES "Intel")
+ if (WIN32)
+ # Windows Intel options used
+ # /nologo do not display compiler version information
+ # /QH display the include file order
+ # /EP preprocess to stdout, omitting #line directives
+ # /TC process all source or unrecognized file types as C source files
+ # /TP process all source or unrecognized file types as C++ source files
+ set (_sourceFileTypeC "/TC")
+ set (_sourceFileTypeCXX "/TP")
+ if (_flags)
+ # append to list
+ list (APPEND _flags /nologo "${_sourceFileType${_language}}" /EP /QH)
+ else()
+ # return as a flag string
+ set (_flags "${_sourceFileType${_language}} /EP /QH")
+ endif()
+ else()
+ # Linux / Mac OS X Intel options used
+ # -H print the name of each header file used
+ # -EP preprocess to stdout, omitting #line directives
+ # -Kc++ process all source or unrecognized file types as C++ source files
+ if (_flags)
+ # append to list
+ if ("${_language}" STREQUAL "CXX")
+ list (APPEND _flags -Kc++)
+ endif()
+ list (APPEND _flags -H -EP)
+ else()
+ # return as a flag string
+ if ("${_language}" STREQUAL "CXX")
+ set (_flags "-Kc++ ")
+ endif()
+ set (_flags "${_flags}-H -EP")
+ endif()
+ endif()
+ else()
+ message (FATAL_ERROR "cotire: unsupported ${_language} compiler ${_compilerID} version ${_compilerVersion}.")
+ endif()
+ set (${_flagsVar} ${_flags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_add_pch_compilation_flags _language _compilerID _compilerVersion _prefixFile _pchFile _hostFile _flagsVar)
+ set (_flags ${${_flagsVar}})
+ if (_compilerID MATCHES "MSVC")
+ file (TO_NATIVE_PATH "${_prefixFile}" _prefixFileNative)
+ file (TO_NATIVE_PATH "${_pchFile}" _pchFileNative)
+ file (TO_NATIVE_PATH "${_hostFile}" _hostFileNative)
+ # cl.exe options used
+ # /Yc creates a precompiled header file
+ # /Fp specifies precompiled header binary file name
+ # /FI forces inclusion of file
+ # /TC treat all files named on the command line as C source files
+ # /TP treat all files named on the command line as C++ source files
+ # /Zs syntax check only
+ # /Zm precompiled header memory allocation scaling factor
+ set (_sourceFileTypeC "/TC")
+ set (_sourceFileTypeCXX "/TP")
+ if (_flags)
+ # append to list
+ list (APPEND _flags /nologo "${_sourceFileType${_language}}"
+ "/Yc${_prefixFileNative}" "/Fp${_pchFileNative}" "/FI${_prefixFileNative}" /Zs "${_hostFileNative}")
+ if (COTIRE_PCH_MEMORY_SCALING_FACTOR)
+ list (APPEND _flags "/Zm${COTIRE_PCH_MEMORY_SCALING_FACTOR}")
+ endif()
+ else()
+ # return as a flag string
+ set (_flags "/Yc\"${_prefixFileNative}\" /Fp\"${_pchFileNative}\" /FI\"${_prefixFileNative}\"")
+ if (COTIRE_PCH_MEMORY_SCALING_FACTOR)
+ set (_flags "${_flags} /Zm${COTIRE_PCH_MEMORY_SCALING_FACTOR}")
+ endif()
+ endif()
+ elseif (_compilerID MATCHES "GNU|Clang")
+ # GCC / Clang options used
+ # -x specify the source language
+ # -c compile but do not link
+ # -o place output in file
+ # note that we cannot use -w to suppress all warnings upon pre-compiling, because turning off a warning may
+ # alter compile flags as a side effect (e.g., -Wwrite-string implies -fconst-strings)
+ set (_xLanguage_C "c-header")
+ set (_xLanguage_CXX "c++-header")
+ if (_flags)
+ # append to list
+ list (APPEND _flags "-x" "${_xLanguage_${_language}}" "-c" "${_prefixFile}" -o "${_pchFile}")
+ else()
+ # return as a flag string
+ set (_flags "-x ${_xLanguage_${_language}} -c \"${_prefixFile}\" -o \"${_pchFile}\"")
+ endif()
+ elseif (_compilerID MATCHES "Intel")
+ if (WIN32)
+ file (TO_NATIVE_PATH "${_prefixFile}" _prefixFileNative)
+ file (TO_NATIVE_PATH "${_pchFile}" _pchFileNative)
+ file (TO_NATIVE_PATH "${_hostFile}" _hostFileNative)
+ # Windows Intel options used
+ # /nologo do not display compiler version information
+ # /Yc create a precompiled header (PCH) file
+ # /Fp specify a path or file name for precompiled header files
+ # /FI tells the preprocessor to include a specified file name as the header file
+ # /TC process all source or unrecognized file types as C source files
+ # /TP process all source or unrecognized file types as C++ source files
+ # /Zs syntax check only
+ # /Wpch-messages enable diagnostics related to pre-compiled headers (requires Intel XE 2013 Update 2)
+ set (_sourceFileTypeC "/TC")
+ set (_sourceFileTypeCXX "/TP")
+ if (_flags)
+ # append to list
+ list (APPEND _flags /nologo "${_sourceFileType${_language}}"
+ "/Yc" "/Fp${_pchFileNative}" "/FI${_prefixFileNative}" /Zs "${_hostFileNative}")
+ if (NOT "${_compilerVersion}" VERSION_LESS "13.1.0")
+ list (APPEND _flags "/Wpch-messages")
+ endif()
+ else()
+ # return as a flag string
+ set (_flags "/Yc /Fp\"${_pchFileNative}\" /FI\"${_prefixFileNative}\"")
+ if (NOT "${_compilerVersion}" VERSION_LESS "13.1.0")
+ set (_flags "${_flags} /Wpch-messages")
+ endif()
+ endif()
+ else()
+ # Linux / Mac OS X Intel options used
+ # -pch-dir location for precompiled header files
+ # -pch-create name of the precompiled header (PCH) to create
+ # -Kc++ process all source or unrecognized file types as C++ source files
+ # -fsyntax-only check only for correct syntax
+ # -Wpch-messages enable diagnostics related to pre-compiled headers (requires Intel XE 2013 Update 2)
+ get_filename_component(_pchDir "${_pchFile}" DIRECTORY)
+ get_filename_component(_pchName "${_pchFile}" NAME)
+ set (_xLanguage_C "c-header")
+ set (_xLanguage_CXX "c++-header")
+ set (_pchSuppressMessages FALSE)
+ if ("${CMAKE_${_language}_FLAGS}" MATCHES ".*-Wno-pch-messages.*")
+ set(_pchSuppressMessages TRUE)
+ endif()
+ if (_flags)
+ # append to list
+ if ("${_language}" STREQUAL "CXX")
+ list (APPEND _flags -Kc++)
+ endif()
+ list (APPEND _flags "-include" "${_prefixFile}" "-pch-dir" "${_pchDir}" "-pch-create" "${_pchName}" "-fsyntax-only" "${_hostFile}")
+ if (NOT "${_compilerVersion}" VERSION_LESS "13.1.0")
+ if (NOT _pchSuppressMessages)
+ list (APPEND _flags "-Wpch-messages")
+ endif()
+ endif()
+ else()
+ # return as a flag string
+ set (_flags "-include \"${_prefixFile}\" -pch-dir \"${_pchDir}\" -pch-create \"${_pchName}\"")
+ if (NOT "${_compilerVersion}" VERSION_LESS "13.1.0")
+ if (NOT _pchSuppressMessages)
+ set (_flags "${_flags} -Wpch-messages")
+ endif()
+ endif()
+ endif()
+ endif()
+ else()
+ message (FATAL_ERROR "cotire: unsupported ${_language} compiler ${_compilerID} version ${_compilerVersion}.")
+ endif()
+ set (${_flagsVar} ${_flags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_add_prefix_pch_inclusion_flags _language _compilerID _compilerVersion _prefixFile _pchFile _flagsVar)
+ set (_flags ${${_flagsVar}})
+ if (_compilerID MATCHES "MSVC")
+ file (TO_NATIVE_PATH "${_prefixFile}" _prefixFileNative)
+ # cl.exe options used
+ # /Yu uses a precompiled header file during build
+ # /Fp specifies precompiled header binary file name
+ # /FI forces inclusion of file
+ # /Zm precompiled header memory allocation scaling factor
+ if (_pchFile)
+ file (TO_NATIVE_PATH "${_pchFile}" _pchFileNative)
+ if (_flags)
+ # append to list
+ list (APPEND _flags "/Yu${_prefixFileNative}" "/Fp${_pchFileNative}" "/FI${_prefixFileNative}")
+ if (COTIRE_PCH_MEMORY_SCALING_FACTOR)
+ list (APPEND _flags "/Zm${COTIRE_PCH_MEMORY_SCALING_FACTOR}")
+ endif()
+ else()
+ # return as a flag string
+ set (_flags "/Yu\"${_prefixFileNative}\" /Fp\"${_pchFileNative}\" /FI\"${_prefixFileNative}\"")
+ if (COTIRE_PCH_MEMORY_SCALING_FACTOR)
+ set (_flags "${_flags} /Zm${COTIRE_PCH_MEMORY_SCALING_FACTOR}")
+ endif()
+ endif()
+ else()
+ # no precompiled header, force inclusion of prefix header
+ if (_flags)
+ # append to list
+ list (APPEND _flags "/FI${_prefixFileNative}")
+ else()
+ # return as a flag string
+ set (_flags "/FI\"${_prefixFileNative}\"")
+ endif()
+ endif()
+ elseif (_compilerID MATCHES "GNU")
+ # GCC options used
+ # -include process include file as the first line of the primary source file
+ # -Winvalid-pch warns if precompiled header is found but cannot be used
+ # note: ccache requires the -include flag to be used in order to process precompiled header correctly
+ if (_flags)
+ # append to list
+ list (APPEND _flags "-Winvalid-pch" "-include" "${_prefixFile}")
+ else()
+ # return as a flag string
+ set (_flags "-Winvalid-pch -include \"${_prefixFile}\"")
+ endif()
+ elseif (_compilerID MATCHES "Clang")
+ # Clang options used
+ # -include process include file as the first line of the primary source file
+ # -include-pch include precompiled header file
+ # -Qunused-arguments don't emit warning for unused driver arguments
+ # note: ccache requires the -include flag to be used in order to process precompiled header correctly
+ if (_flags)
+ # append to list
+ list (APPEND _flags "-Qunused-arguments" "-include" "${_prefixFile}")
+ else()
+ # return as a flag string
+ set (_flags "-Qunused-arguments -include \"${_prefixFile}\"")
+ endif()
+ elseif (_compilerID MATCHES "Intel")
+ if (WIN32)
+ file (TO_NATIVE_PATH "${_prefixFile}" _prefixFileNative)
+ # Windows Intel options used
+ # /Yu use a precompiled header (PCH) file
+ # /Fp specify a path or file name for precompiled header files
+ # /FI tells the preprocessor to include a specified file name as the header file
+ # /Wpch-messages enable diagnostics related to pre-compiled headers (requires Intel XE 2013 Update 2)
+ if (_pchFile)
+ file (TO_NATIVE_PATH "${_pchFile}" _pchFileNative)
+ if (_flags)
+ # append to list
+ list (APPEND _flags "/Yu" "/Fp${_pchFileNative}" "/FI${_prefixFileNative}")
+ if (NOT "${_compilerVersion}" VERSION_LESS "13.1.0")
+ list (APPEND _flags "/Wpch-messages")
+ endif()
+ else()
+ # return as a flag string
+ set (_flags "/Yu /Fp\"${_pchFileNative}\" /FI\"${_prefixFileNative}\"")
+ if (NOT "${_compilerVersion}" VERSION_LESS "13.1.0")
+ set (_flags "${_flags} /Wpch-messages")
+ endif()
+ endif()
+ else()
+ # no precompiled header, force inclusion of prefix header
+ if (_flags)
+ # append to list
+ list (APPEND _flags "/FI${_prefixFileNative}")
+ else()
+ # return as a flag string
+ set (_flags "/FI\"${_prefixFileNative}\"")
+ endif()
+ endif()
+ else()
+ # Linux / Mac OS X Intel options used
+ # -pch-dir location for precompiled header files
+ # -pch-use name of the precompiled header (PCH) to use
+ # -include process include file as the first line of the primary source file
+ # -Wpch-messages enable diagnostics related to pre-compiled headers (requires Intel XE 2013 Update 2)
+ if (_pchFile)
+ get_filename_component(_pchDir "${_pchFile}" DIRECTORY)
+ get_filename_component(_pchName "${_pchFile}" NAME)
+ set (_pchSuppressMessages FALSE)
+ if ("${CMAKE_${_language}_FLAGS}" MATCHES ".*-Wno-pch-messages.*")
+ set(_pchSuppressMessages TRUE)
+ endif()
+ if (_flags)
+ # append to list
+ list (APPEND _flags "-include" "${_prefixFile}" "-pch-dir" "${_pchDir}" "-pch-use" "${_pchName}")
+ if (NOT "${_compilerVersion}" VERSION_LESS "13.1.0")
+ if (NOT _pchSuppressMessages)
+ list (APPEND _flags "-Wpch-messages")
+ endif()
+ endif()
+ else()
+ # return as a flag string
+ set (_flags "-include \"${_prefixFile}\" -pch-dir \"${_pchDir}\" -pch-use \"${_pchName}\"")
+ if (NOT "${_compilerVersion}" VERSION_LESS "13.1.0")
+ if (NOT _pchSuppressMessages)
+ set (_flags "${_flags} -Wpch-messages")
+ endif()
+ endif()
+ endif()
+ else()
+ # no precompiled header, force inclusion of prefix header
+ if (_flags)
+ # append to list
+ list (APPEND _flags "-include" "${_prefixFile}")
+ else()
+ # return as a flag string
+ set (_flags "-include \"${_prefixFile}\"")
+ endif()
+ endif()
+ endif()
+ else()
+ message (FATAL_ERROR "cotire: unsupported ${_language} compiler ${_compilerID} version ${_compilerVersion}.")
+ endif()
+ set (${_flagsVar} ${_flags} PARENT_SCOPE)
+endfunction()
+
+function (cotire_precompile_prefix_header _prefixFile _pchFile _hostFile)
+ set(_options "")
+ set(_oneValueArgs COMPILER_EXECUTABLE COMPILER_ARG1 COMPILER_ID COMPILER_VERSION LANGUAGE)
+ set(_multiValueArgs COMPILE_DEFINITIONS COMPILE_FLAGS INCLUDE_DIRECTORIES SYSTEM_INCLUDE_DIRECTORIES SYS COMPILER_LAUNCHER)
+ cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+ if (NOT _option_LANGUAGE)
+ set (_option_LANGUAGE "CXX")
+ endif()
+ if (NOT _option_COMPILER_ID)
+ set (_option_COMPILER_ID "${CMAKE_${_option_LANGUAGE}_ID}")
+ endif()
+ if (NOT _option_COMPILER_VERSION)
+ set (_option_COMPILER_VERSION "${CMAKE_${_option_LANGUAGE}_COMPILER_VERSION}")
+ endif()
+ cotire_init_compile_cmd(_cmd "${_option_LANGUAGE}" "${_option_COMPILER_LAUNCHER}" "${_option_COMPILER_EXECUTABLE}" "${_option_COMPILER_ARG1}")
+ cotire_add_definitions_to_cmd(_cmd "${_option_LANGUAGE}" ${_option_COMPILE_DEFINITIONS})
+ cotire_add_compile_flags_to_cmd(_cmd ${_option_COMPILE_FLAGS})
+ cotire_add_includes_to_cmd(_cmd "${_option_LANGUAGE}" _option_INCLUDE_DIRECTORIES _option_SYSTEM_INCLUDE_DIRECTORIES)
+ cotire_add_frameworks_to_cmd(_cmd "${_option_LANGUAGE}" _option_INCLUDE_DIRECTORIES _option_SYSTEM_INCLUDE_DIRECTORIES)
+ cotire_add_pch_compilation_flags(
+ "${_option_LANGUAGE}" "${_option_COMPILER_ID}" "${_option_COMPILER_VERSION}"
+ "${_prefixFile}" "${_pchFile}" "${_hostFile}" _cmd)
+ if (COTIRE_VERBOSE)
+ message (STATUS "execute_process: ${_cmd}")
+ endif()
+ if (_option_COMPILER_ID MATCHES "MSVC")
+ # cl.exe messes with the output streams unless the environment variable VS_UNICODE_OUTPUT is cleared
+ unset (ENV{VS_UNICODE_OUTPUT})
+ elseif (_option_COMPILER_ID MATCHES "GNU|Clang")
+ if (_option_COMPILER_LAUNCHER MATCHES "ccache" OR
+ _option_COMPILER_EXECUTABLE MATCHES "ccache")
+ # Newer versions of Clang and GCC seem to embed a compilation timestamp into the precompiled header binary,
+ # which results in "file has been modified since the precompiled header was built" errors if ccache is used.
+ # We work around the problem by disabling ccache upon pre-compiling the prefix header.
+ set (ENV{CCACHE_DISABLE} "true")
+ endif()
+ endif()
+ execute_process(
+ COMMAND ${_cmd}
+ WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+ RESULT_VARIABLE _result)
+ if (_result)
+ message (FATAL_ERROR "cotire: error ${_result} precompiling ${_prefixFile}.")
+ endif()
+endfunction()
+
+function (cotire_check_precompiled_header_support _language _target _msgVar)
+ set (_unsupportedCompiler
+ "Precompiled headers not supported for ${_language} compiler ${CMAKE_${_language}_COMPILER_ID}")
+ if (CMAKE_${_language}_COMPILER_ID MATCHES "MSVC")
+ # supported since Visual Studio C++ 6.0
+ # and CMake does not support an earlier version
+ set (${_msgVar} "" PARENT_SCOPE)
+ elseif (CMAKE_${_language}_COMPILER_ID MATCHES "GNU")
+ # GCC PCH support requires version >= 3.4
+ if ("${CMAKE_${_language}_COMPILER_VERSION}" VERSION_LESS "3.4.0")
+ set (${_msgVar} "${_unsupportedCompiler} version ${CMAKE_${_language}_COMPILER_VERSION}." PARENT_SCOPE)
+ else()
+ set (${_msgVar} "" PARENT_SCOPE)
+ endif()
+ elseif (CMAKE_${_language}_COMPILER_ID MATCHES "Clang")
+ # all Clang versions have PCH support
+ set (${_msgVar} "" PARENT_SCOPE)
+ elseif (CMAKE_${_language}_COMPILER_ID MATCHES "Intel")
+ # Intel PCH support requires version >= 8.0.0
+ if ("${CMAKE_${_language}_COMPILER_VERSION}" VERSION_LESS "8.0.0")
+ set (${_msgVar} "${_unsupportedCompiler} version ${CMAKE_${_language}_COMPILER_VERSION}." PARENT_SCOPE)
+ else()
+ set (${_msgVar} "" PARENT_SCOPE)
+ endif()
+ else()
+ set (${_msgVar} "${_unsupportedCompiler}." PARENT_SCOPE)
+ endif()
+ get_target_property(_launcher ${_target} ${_language}_COMPILER_LAUNCHER)
+ if (CMAKE_${_language}_COMPILER MATCHES "ccache" OR _launcher MATCHES "ccache")
+ if (DEFINED ENV{CCACHE_SLOPPINESS})
+ if (NOT "$ENV{CCACHE_SLOPPINESS}" MATCHES "pch_defines" OR NOT "$ENV{CCACHE_SLOPPINESS}" MATCHES "time_macros")
+ set (${_msgVar}
+ "ccache requires the environment variable CCACHE_SLOPPINESS to be set to \"pch_defines,time_macros\"."
+ PARENT_SCOPE)
+ endif()
+ else()
+ if (_launcher MATCHES "ccache")
+ get_filename_component(_ccacheExe "${_launcher}" REALPATH)
+ else()
+ get_filename_component(_ccacheExe "${CMAKE_${_language}_COMPILER}" REALPATH)
+ endif()
+ execute_process(
+ COMMAND "${_ccacheExe}" "--print-config"
+ WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
+ RESULT_VARIABLE _result
+ OUTPUT_VARIABLE _ccacheConfig OUTPUT_STRIP_TRAILING_WHITESPACE
+ ERROR_QUIET)
+ if (_result OR NOT
+ _ccacheConfig MATCHES "sloppiness.*=.*time_macros" OR NOT
+ _ccacheConfig MATCHES "sloppiness.*=.*pch_defines")
+ set (${_msgVar}
+ "ccache requires configuration setting \"sloppiness\" to be set to \"pch_defines,time_macros\"."
+ PARENT_SCOPE)
+ endif()
+ endif()
+ endif()
+ if (APPLE)
+ # PCH compilation not supported by GCC / Clang for multi-architecture builds (e.g., i386, x86_64)
+ cotire_get_configuration_types(_configs)
+ foreach (_config ${_configs})
+ set (_targetFlags "")
+ cotire_get_target_compile_flags("${_config}" "${_language}" "${_target}" _targetFlags)
+ cotire_filter_compile_flags("${_language}" "arch" _architectures _ignore ${_targetFlags})
+ list (LENGTH _architectures _numberOfArchitectures)
+ if (_numberOfArchitectures GREATER 1)
+ string (REPLACE ";" ", " _architectureStr "${_architectures}")
+ set (${_msgVar}
+ "Precompiled headers not supported on Darwin for multi-architecture builds (${_architectureStr})."
+ PARENT_SCOPE)
+ break()
+ endif()
+ endforeach()
+ endif()
+endfunction()
+
+macro (cotire_get_intermediate_dir _cotireDir)
+ # ${CMAKE_CFG_INTDIR} may reference a build-time variable when using a generator which supports configuration types
+ get_filename_component(${_cotireDir} "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${COTIRE_INTDIR}" ABSOLUTE)
+endmacro()
+
+macro (cotire_setup_file_extension_variables)
+ set (_unityFileExt_C ".c")
+ set (_unityFileExt_CXX ".cxx")
+ set (_prefixFileExt_C ".h")
+ set (_prefixFileExt_CXX ".hxx")
+ set (_prefixSourceFileExt_C ".c")
+ set (_prefixSourceFileExt_CXX ".cxx")
+endmacro()
+
+function (cotire_make_single_unity_source_file_path _language _target _unityFileVar)
+ cotire_setup_file_extension_variables()
+ if (NOT DEFINED _unityFileExt_${_language})
+ set (${_unityFileVar} "" PARENT_SCOPE)
+ return()
+ endif()
+ set (_unityFileBaseName "${_target}_${_language}${COTIRE_UNITY_SOURCE_FILENAME_SUFFIX}")
+ set (_unityFileName "${_unityFileBaseName}${_unityFileExt_${_language}}")
+ cotire_get_intermediate_dir(_baseDir)
+ set (_unityFile "${_baseDir}/${_unityFileName}")
+ set (${_unityFileVar} "${_unityFile}" PARENT_SCOPE)
+endfunction()
+
+function (cotire_make_unity_source_file_paths _language _target _maxIncludes _unityFilesVar)
+ cotire_setup_file_extension_variables()
+ if (NOT DEFINED _unityFileExt_${_language})
+ set (${_unityFileVar} "" PARENT_SCOPE)
+ return()
+ endif()
+ set (_unityFileBaseName "${_target}_${_language}${COTIRE_UNITY_SOURCE_FILENAME_SUFFIX}")
+ cotire_get_intermediate_dir(_baseDir)
+ set (_startIndex 0)
+ set (_index 0)
+ set (_unityFiles "")
+ set (_sourceFiles ${ARGN})
+ foreach (_sourceFile ${_sourceFiles})
+ get_source_file_property(_startNew "${_sourceFile}" COTIRE_START_NEW_UNITY_SOURCE)
+ math (EXPR _unityFileCount "${_index} - ${_startIndex}")
+ if (_startNew OR (_maxIncludes GREATER 0 AND NOT _unityFileCount LESS _maxIncludes))
+ if (_index GREATER 0)
+ # start new unity file segment
+ math (EXPR _endIndex "${_index} - 1")
+ set (_unityFileName "${_unityFileBaseName}_${_startIndex}_${_endIndex}${_unityFileExt_${_language}}")
+ list (APPEND _unityFiles "${_baseDir}/${_unityFileName}")
+ endif()
+ set (_startIndex ${_index})
+ endif()
+ math (EXPR _index "${_index} + 1")
+ endforeach()
+ list (LENGTH _sourceFiles _numberOfSources)
+ if (_startIndex EQUAL 0)
+ # there is only a single unity file
+ cotire_make_single_unity_source_file_path(${_language} ${_target} _unityFiles)
+ elseif (_startIndex LESS _numberOfSources)
+ # end with final unity file segment
+ math (EXPR _endIndex "${_index} - 1")
+ set (_unityFileName "${_unityFileBaseName}_${_startIndex}_${_endIndex}${_unityFileExt_${_language}}")
+ list (APPEND _unityFiles "${_baseDir}/${_unityFileName}")
+ endif()
+ set (${_unityFilesVar} ${_unityFiles} PARENT_SCOPE)
+ if (COTIRE_DEBUG AND _unityFiles)
+ message (STATUS "unity files: ${_unityFiles}")
+ endif()
+endfunction()
+
+function (cotire_unity_to_prefix_file_path _language _target _unityFile _prefixFileVar)
+ cotire_setup_file_extension_variables()
+ if (NOT DEFINED _unityFileExt_${_language})
+ set (${_prefixFileVar} "" PARENT_SCOPE)
+ return()
+ endif()
+ set (_unityFileBaseName "${_target}_${_language}${COTIRE_UNITY_SOURCE_FILENAME_SUFFIX}")
+ set (_prefixFileBaseName "${_target}_${_language}${COTIRE_PREFIX_HEADER_FILENAME_SUFFIX}")
+ string (REPLACE "${_unityFileBaseName}" "${_prefixFileBaseName}" _prefixFile "${_unityFile}")
+ string (REGEX REPLACE "${_unityFileExt_${_language}}$" "${_prefixFileExt_${_language}}" _prefixFile "${_prefixFile}")
+ set (${_prefixFileVar} "${_prefixFile}" PARENT_SCOPE)
+endfunction()
+
+function (cotire_prefix_header_to_source_file_path _language _prefixHeaderFile _prefixSourceFileVar)
+ cotire_setup_file_extension_variables()
+ if (NOT DEFINED _prefixSourceFileExt_${_language})
+ set (${_prefixSourceFileVar} "" PARENT_SCOPE)
+ return()
+ endif()
+ string (REGEX REPLACE "${_prefixFileExt_${_language}}$" "${_prefixSourceFileExt_${_language}}" _prefixSourceFile "${_prefixHeaderFile}")
+ set (${_prefixSourceFileVar} "${_prefixSourceFile}" PARENT_SCOPE)
+endfunction()
+
+function (cotire_make_prefix_file_name _language _target _prefixFileBaseNameVar _prefixFileNameVar)
+ cotire_setup_file_extension_variables()
+ if (NOT _language)
+ set (_prefixFileBaseName "${_target}${COTIRE_PREFIX_HEADER_FILENAME_SUFFIX}")
+ set (_prefixFileName "${_prefixFileBaseName}${_prefixFileExt_C}")
+ elseif (DEFINED _prefixFileExt_${_language})
+ set (_prefixFileBaseName "${_target}_${_language}${COTIRE_PREFIX_HEADER_FILENAME_SUFFIX}")
+ set (_prefixFileName "${_prefixFileBaseName}${_prefixFileExt_${_language}}")
+ else()
+ set (_prefixFileBaseName "")
+ set (_prefixFileName "")
+ endif()
+ set (${_prefixFileBaseNameVar} "${_prefixFileBaseName}" PARENT_SCOPE)
+ set (${_prefixFileNameVar} "${_prefixFileName}" PARENT_SCOPE)
+endfunction()
+
+function (cotire_make_prefix_file_path _language _target _prefixFileVar)
+ cotire_make_prefix_file_name("${_language}" "${_target}" _prefixFileBaseName _prefixFileName)
+ set (${_prefixFileVar} "" PARENT_SCOPE)
+ if (_prefixFileName)
+ if (NOT _language)
+ set (_language "C")
+ endif()
+ if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang|Intel|MSVC")
+ cotire_get_intermediate_dir(_baseDir)
+ set (${_prefixFileVar} "${_baseDir}/${_prefixFileName}" PARENT_SCOPE)
+ endif()
+ endif()
+endfunction()
+
+function (cotire_make_pch_file_path _language _target _pchFileVar)
+ cotire_make_prefix_file_name("${_language}" "${_target}" _prefixFileBaseName _prefixFileName)
+ set (${_pchFileVar} "" PARENT_SCOPE)
+ if (_prefixFileBaseName AND _prefixFileName)
+ cotire_check_precompiled_header_support("${_language}" "${_target}" _msg)
+ if (NOT _msg)
+ if (XCODE)
+ # For Xcode, we completely hand off the compilation of the prefix header to the IDE
+ return()
+ endif()
+ cotire_get_intermediate_dir(_baseDir)
+ if (CMAKE_${_language}_COMPILER_ID MATCHES "MSVC")
+ # MSVC uses the extension .pch added to the prefix header base name
+ set (${_pchFileVar} "${_baseDir}/${_prefixFileBaseName}.pch" PARENT_SCOPE)
+ elseif (CMAKE_${_language}_COMPILER_ID MATCHES "Clang")
+ # Clang looks for a precompiled header corresponding to the prefix header with the extension .pch appended
+ set (${_pchFileVar} "${_baseDir}/${_prefixFileName}.pch" PARENT_SCOPE)
+ elseif (CMAKE_${_language}_COMPILER_ID MATCHES "GNU")
+ # GCC looks for a precompiled header corresponding to the prefix header with the extension .gch appended
+ set (${_pchFileVar} "${_baseDir}/${_prefixFileName}.gch" PARENT_SCOPE)
+ elseif (CMAKE_${_language}_COMPILER_ID MATCHES "Intel")
+ # Intel uses the extension .pchi added to the prefix header base name
+ set (${_pchFileVar} "${_baseDir}/${_prefixFileBaseName}.pchi" PARENT_SCOPE)
+ endif()
+ endif()
+ endif()
+endfunction()
+
+function (cotire_select_unity_source_files _unityFile _sourcesVar)
+ set (_sourceFiles ${ARGN})
+ if (_sourceFiles AND "${_unityFile}" MATCHES "${COTIRE_UNITY_SOURCE_FILENAME_SUFFIX}_([0-9]+)_([0-9]+)")
+ set (_startIndex ${CMAKE_MATCH_1})
+ set (_endIndex ${CMAKE_MATCH_2})
+ list (LENGTH _sourceFiles _numberOfSources)
+ if (NOT _startIndex LESS _numberOfSources)
+ math (EXPR _startIndex "${_numberOfSources} - 1")
+ endif()
+ if (NOT _endIndex LESS _numberOfSources)
+ math (EXPR _endIndex "${_numberOfSources} - 1")
+ endif()
+ set (_files "")
+ foreach (_index RANGE ${_startIndex} ${_endIndex})
+ list (GET _sourceFiles ${_index} _file)
+ list (APPEND _files "${_file}")
+ endforeach()
+ else()
+ set (_files ${_sourceFiles})
+ endif()
+ set (${_sourcesVar} ${_files} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_unity_source_dependencies _language _target _dependencySourcesVar)
+ set (_dependencySources "")
+ # depend on target's generated source files
+ get_target_property(_targetSourceFiles ${_target} SOURCES)
+ cotire_get_objects_with_property_on(_generatedSources GENERATED SOURCE ${_targetSourceFiles})
+ if (_generatedSources)
+ # but omit all generated source files that have the COTIRE_EXCLUDED property set to true
+ cotire_get_objects_with_property_on(_excludedGeneratedSources COTIRE_EXCLUDED SOURCE ${_generatedSources})
+ if (_excludedGeneratedSources)
+ list (REMOVE_ITEM _generatedSources ${_excludedGeneratedSources})
+ endif()
+ # and omit all generated source files that have the COTIRE_DEPENDENCY property set to false explicitly
+ cotire_get_objects_with_property_off(_excludedNonDependencySources COTIRE_DEPENDENCY SOURCE ${_generatedSources})
+ if (_excludedNonDependencySources)
+ list (REMOVE_ITEM _generatedSources ${_excludedNonDependencySources})
+ endif()
+ if (_generatedSources)
+ list (APPEND _dependencySources ${_generatedSources})
+ endif()
+ endif()
+ if (COTIRE_DEBUG AND _dependencySources)
+ message (STATUS "${_language} ${_target} unity source dependencies: ${_dependencySources}")
+ endif()
+ set (${_dependencySourcesVar} ${_dependencySources} PARENT_SCOPE)
+endfunction()
+
+function (cotire_get_prefix_header_dependencies _language _target _dependencySourcesVar)
+ set (_dependencySources "")
+ # depend on target source files marked with custom COTIRE_DEPENDENCY property
+ get_target_property(_targetSourceFiles ${_target} SOURCES)
+ cotire_get_objects_with_property_on(_dependencySources COTIRE_DEPENDENCY SOURCE ${_targetSourceFiles})
+ if (COTIRE_DEBUG AND _dependencySources)
+ message (STATUS "${_language} ${_target} prefix header dependencies: ${_dependencySources}")
+ endif()
+ set (${_dependencySourcesVar} ${_dependencySources} PARENT_SCOPE)
+endfunction()
+
+function (cotire_generate_target_script _language _configurations _target _targetScriptVar _targetConfigScriptVar)
+ set (_targetSources ${ARGN})
+ cotire_get_prefix_header_dependencies(${_language} ${_target} COTIRE_TARGET_PREFIX_DEPENDS ${_targetSources})
+ cotire_get_unity_source_dependencies(${_language} ${_target} COTIRE_TARGET_UNITY_DEPENDS ${_targetSources})
+ # set up variables to be configured
+ set (COTIRE_TARGET_LANGUAGE "${_language}")
+ get_target_property(COTIRE_TARGET_IGNORE_PATH ${_target} COTIRE_PREFIX_HEADER_IGNORE_PATH)
+ cotire_add_sys_root_paths(COTIRE_TARGET_IGNORE_PATH)
+ get_target_property(COTIRE_TARGET_INCLUDE_PATH ${_target} COTIRE_PREFIX_HEADER_INCLUDE_PATH)
+ cotire_add_sys_root_paths(COTIRE_TARGET_INCLUDE_PATH)
+ get_target_property(COTIRE_TARGET_PRE_UNDEFS ${_target} COTIRE_UNITY_SOURCE_PRE_UNDEFS)
+ get_target_property(COTIRE_TARGET_POST_UNDEFS ${_target} COTIRE_UNITY_SOURCE_POST_UNDEFS)
+ get_target_property(COTIRE_TARGET_MAXIMUM_NUMBER_OF_INCLUDES ${_target} COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES)
+ get_target_property(COTIRE_TARGET_INCLUDE_PRIORITY_PATH ${_target} COTIRE_PREFIX_HEADER_INCLUDE_PRIORITY_PATH)
+ cotire_get_source_files_undefs(COTIRE_UNITY_SOURCE_PRE_UNDEFS COTIRE_TARGET_SOURCES_PRE_UNDEFS ${_targetSources})
+ cotire_get_source_files_undefs(COTIRE_UNITY_SOURCE_POST_UNDEFS COTIRE_TARGET_SOURCES_POST_UNDEFS ${_targetSources})
+ set (COTIRE_TARGET_CONFIGURATION_TYPES "${_configurations}")
+ foreach (_config ${_configurations})
+ string (TOUPPER "${_config}" _upperConfig)
+ cotire_get_target_include_directories(
+ "${_config}" "${_language}" "${_target}" COTIRE_TARGET_INCLUDE_DIRECTORIES_${_upperConfig} COTIRE_TARGET_SYSTEM_INCLUDE_DIRECTORIES_${_upperConfig})
+ cotire_get_target_compile_definitions(
+ "${_config}" "${_language}" "${_target}" COTIRE_TARGET_COMPILE_DEFINITIONS_${_upperConfig})
+ cotire_get_target_compiler_flags(
+ "${_config}" "${_language}" "${_target}" COTIRE_TARGET_COMPILE_FLAGS_${_upperConfig})
+ cotire_get_source_files_compile_definitions(
+ "${_config}" "${_language}" COTIRE_TARGET_SOURCES_COMPILE_DEFINITIONS_${_upperConfig} ${_targetSources})
+ endforeach()
+ get_target_property(COTIRE_TARGET_${_language}_COMPILER_LAUNCHER ${_target} ${_language}_COMPILER_LAUNCHER)
+ # set up COTIRE_TARGET_SOURCES
+ set (COTIRE_TARGET_SOURCES "")
+ foreach (_sourceFile ${_targetSources})
+ get_source_file_property(_generated "${_sourceFile}" GENERATED)
+ if (_generated)
+ # use absolute paths for generated files only, retrieving the LOCATION property is an expensive operation
+ get_source_file_property(_sourceLocation "${_sourceFile}" LOCATION)
+ list (APPEND COTIRE_TARGET_SOURCES "${_sourceLocation}")
+ else()
+ list (APPEND COTIRE_TARGET_SOURCES "${_sourceFile}")
+ endif()
+ endforeach()
+ # copy variable definitions to cotire target script
+ get_cmake_property(_vars VARIABLES)
+ string (REGEX MATCHALL "COTIRE_[A-Za-z0-9_]+" _matchVars "${_vars}")
+ # omit COTIRE_*_INIT variables
+ string (REGEX MATCHALL "COTIRE_[A-Za-z0-9_]+_INIT" _initVars "${_matchVars}")
+ if (_initVars)
+ list (REMOVE_ITEM _matchVars ${_initVars})
+ endif()
+ # omit COTIRE_VERBOSE which is passed as a CMake define on command line
+ list (REMOVE_ITEM _matchVars COTIRE_VERBOSE)
+ set (_contents "")
+ set (_contentsHasGeneratorExpressions FALSE)
+ foreach (_var IN LISTS _matchVars ITEMS
+ XCODE MSVC CMAKE_GENERATOR CMAKE_BUILD_TYPE CMAKE_CONFIGURATION_TYPES
+ CMAKE_${_language}_COMPILER_ID CMAKE_${_language}_COMPILER_VERSION
+ CMAKE_${_language}_COMPILER_LAUNCHER CMAKE_${_language}_COMPILER CMAKE_${_language}_COMPILER_ARG1
+ CMAKE_INCLUDE_FLAG_${_language} CMAKE_INCLUDE_FLAG_SEP_${_language}
+ CMAKE_INCLUDE_SYSTEM_FLAG_${_language}
+ CMAKE_${_language}_FRAMEWORK_SEARCH_FLAG
+ CMAKE_${_language}_SYSTEM_FRAMEWORK_SEARCH_FLAG
+ CMAKE_${_language}_SOURCE_FILE_EXTENSIONS)
+ if (DEFINED ${_var})
+ string (REPLACE "\"" "\\\"" _value "${${_var}}")
+ set (_contents "${_contents}set (${_var} \"${_value}\")\n")
+ if (NOT _contentsHasGeneratorExpressions)
+ if ("${_value}" MATCHES "\\$<.*>")
+ set (_contentsHasGeneratorExpressions TRUE)
+ endif()
+ endif()
+ endif()
+ endforeach()
+ # generate target script file
+ get_filename_component(_moduleName "${COTIRE_CMAKE_MODULE_FILE}" NAME)
+ set (_targetCotireScript "${CMAKE_CURRENT_BINARY_DIR}/${_target}_${_language}_${_moduleName}")
+ cotire_write_file("CMAKE" "${_targetCotireScript}" "${_contents}" FALSE)
+ if (_contentsHasGeneratorExpressions)
+ # use file(GENERATE ...) to expand generator expressions in the target script at CMake generate-time
+ set (_configNameOrNoneGeneratorExpression "$<$<CONFIG:>:None>$<$<NOT:$<CONFIG:>>:$<CONFIGURATION>>")
+ set (_targetCotireConfigScript "${CMAKE_CURRENT_BINARY_DIR}/${_target}_${_language}_${_configNameOrNoneGeneratorExpression}_${_moduleName}")
+ file (GENERATE OUTPUT "${_targetCotireConfigScript}" INPUT "${_targetCotireScript}")
+ else()
+ set (_targetCotireConfigScript "${_targetCotireScript}")
+ endif()
+ set (${_targetScriptVar} "${_targetCotireScript}" PARENT_SCOPE)
+ set (${_targetConfigScriptVar} "${_targetCotireConfigScript}" PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_pch_file_compilation _language _target _targetScript _prefixFile _pchFile _hostFile)
+ set (_sourceFiles ${ARGN})
+ if (CMAKE_${_language}_COMPILER_ID MATCHES "MSVC|Intel")
+ # for Visual Studio and Intel, we attach the precompiled header compilation to the host file
+ # the remaining files include the precompiled header, see cotire_setup_pch_file_inclusion
+ if (_sourceFiles)
+ set (_flags "")
+ cotire_add_pch_compilation_flags(
+ "${_language}" "${CMAKE_${_language}_COMPILER_ID}" "${CMAKE_${_language}_COMPILER_VERSION}"
+ "${_prefixFile}" "${_pchFile}" "${_hostFile}" _flags)
+ set_property (SOURCE ${_hostFile} APPEND_STRING PROPERTY COMPILE_FLAGS " ${_flags} ")
+ set_property (SOURCE ${_hostFile} APPEND PROPERTY OBJECT_OUTPUTS "${_pchFile}")
+ # make object file generated from host file depend on prefix header
+ set_property (SOURCE ${_hostFile} APPEND PROPERTY OBJECT_DEPENDS "${_prefixFile}")
+ # mark host file as cotired to prevent it from being used in another cotired target
+ set_property (SOURCE ${_hostFile} PROPERTY COTIRE_TARGET "${_target}")
+ endif()
+ elseif ("${CMAKE_GENERATOR}" MATCHES "Make|Ninja")
+ # for makefile based generator, we add a custom command to precompile the prefix header
+ if (_targetScript)
+ cotire_set_cmd_to_prologue(_cmds)
+ list (APPEND _cmds -P "${COTIRE_CMAKE_MODULE_FILE}" "precompile" "${_targetScript}" "${_prefixFile}" "${_pchFile}" "${_hostFile}")
+ if (MSVC_IDE)
+ file (TO_NATIVE_PATH "${_pchFile}" _pchFileLogPath)
+ else()
+ file (RELATIVE_PATH _pchFileLogPath "${CMAKE_BINARY_DIR}" "${_pchFile}")
+ endif()
+ # make precompiled header compilation depend on the actual compiler executable used to force
+ # re-compilation when the compiler executable is updated. This prevents "created by a different GCC executable"
+ # warnings when the precompiled header is included.
+ get_filename_component(_realCompilerExe "${CMAKE_${_language}_COMPILER}" ABSOLUTE)
+ if (COTIRE_DEBUG)
+ message (STATUS "add_custom_command: OUTPUT ${_pchFile} ${_cmds} DEPENDS ${_prefixFile} ${_realCompilerExe} IMPLICIT_DEPENDS ${_language} ${_prefixFile}")
+ endif()
+ set_property (SOURCE "${_pchFile}" PROPERTY GENERATED TRUE)
+ add_custom_command(
+ OUTPUT "${_pchFile}"
+ COMMAND ${_cmds}
+ DEPENDS "${_prefixFile}" "${_realCompilerExe}"
+ IMPLICIT_DEPENDS ${_language} "${_prefixFile}"
+ WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+ COMMENT "Building ${_language} precompiled header ${_pchFileLogPath}"
+ VERBATIM)
+ endif()
+ endif()
+endfunction()
+
+function (cotire_setup_pch_file_inclusion _language _target _wholeTarget _prefixFile _pchFile _hostFile)
+ if (CMAKE_${_language}_COMPILER_ID MATCHES "MSVC|Intel")
+ # for Visual Studio and Intel, we include the precompiled header in all but the host file
+ # the host file does the precompiled header compilation, see cotire_setup_pch_file_compilation
+ set (_sourceFiles ${ARGN})
+ list (LENGTH _sourceFiles _numberOfSourceFiles)
+ if (_numberOfSourceFiles GREATER 0)
+ # mark sources as cotired to prevent them from being used in another cotired target
+ set_source_files_properties(${_sourceFiles} PROPERTIES COTIRE_TARGET "${_target}")
+ set (_flags "")
+ cotire_add_prefix_pch_inclusion_flags(
+ "${_language}" "${CMAKE_${_language}_COMPILER_ID}" "${CMAKE_${_language}_COMPILER_VERSION}"
+ "${_prefixFile}" "${_pchFile}" _flags)
+ set_property (SOURCE ${_sourceFiles} APPEND_STRING PROPERTY COMPILE_FLAGS " ${_flags} ")
+ # make object files generated from source files depend on precompiled header
+ set_property (SOURCE ${_sourceFiles} APPEND PROPERTY OBJECT_DEPENDS "${_pchFile}")
+ endif()
+ elseif ("${CMAKE_GENERATOR}" MATCHES "Make|Ninja")
+ set (_sourceFiles ${_hostFile} ${ARGN})
+ if (NOT _wholeTarget)
+ # for makefile based generator, we force the inclusion of the prefix header for a subset
+ # of the source files, if this is a multi-language target or has excluded files
+ set (_flags "")
+ cotire_add_prefix_pch_inclusion_flags(
+ "${_language}" "${CMAKE_${_language}_COMPILER_ID}" "${CMAKE_${_language}_COMPILER_VERSION}"
+ "${_prefixFile}" "${_pchFile}" _flags)
+ set_property (SOURCE ${_sourceFiles} APPEND_STRING PROPERTY COMPILE_FLAGS " ${_flags} ")
+ # mark sources as cotired to prevent them from being used in another cotired target
+ set_source_files_properties(${_sourceFiles} PROPERTIES COTIRE_TARGET "${_target}")
+ endif()
+ # make object files generated from source files depend on precompiled header
+ set_property (SOURCE ${_sourceFiles} APPEND PROPERTY OBJECT_DEPENDS "${_pchFile}")
+ endif()
+endfunction()
+
+function (cotire_setup_prefix_file_inclusion _language _target _prefixFile)
+ set (_sourceFiles ${ARGN})
+ # force the inclusion of the prefix header for the given source files
+ set (_flags "")
+ set (_pchFile "")
+ cotire_add_prefix_pch_inclusion_flags(
+ "${_language}" "${CMAKE_${_language}_COMPILER_ID}" "${CMAKE_${_language}_COMPILER_VERSION}"
+ "${_prefixFile}" "${_pchFile}" _flags)
+ set_property (SOURCE ${_sourceFiles} APPEND_STRING PROPERTY COMPILE_FLAGS " ${_flags} ")
+ # mark sources as cotired to prevent them from being used in another cotired target
+ set_source_files_properties(${_sourceFiles} PROPERTIES COTIRE_TARGET "${_target}")
+ # make object files generated from source files depend on prefix header
+ set_property (SOURCE ${_sourceFiles} APPEND PROPERTY OBJECT_DEPENDS "${_prefixFile}")
+endfunction()
+
+function (cotire_get_first_set_property_value _propertyValueVar _type _object)
+ set (_properties ${ARGN})
+ foreach (_property ${_properties})
+ get_property(_propertyValue ${_type} "${_object}" PROPERTY ${_property})
+ if (_propertyValue)
+ set (${_propertyValueVar} ${_propertyValue} PARENT_SCOPE)
+ return()
+ endif()
+ endforeach()
+ set (${_propertyValueVar} "" PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_combine_command _language _targetScript _joinedFile _cmdsVar)
+ set (_files ${ARGN})
+ set (_filesPaths "")
+ foreach (_file ${_files})
+ get_filename_component(_filePath "${_file}" ABSOLUTE)
+ list (APPEND _filesPaths "${_filePath}")
+ endforeach()
+ cotire_set_cmd_to_prologue(_prefixCmd)
+ list (APPEND _prefixCmd -P "${COTIRE_CMAKE_MODULE_FILE}" "combine")
+ if (_targetScript)
+ list (APPEND _prefixCmd "${_targetScript}")
+ endif()
+ list (APPEND _prefixCmd "${_joinedFile}" ${_filesPaths})
+ if (COTIRE_DEBUG)
+ message (STATUS "add_custom_command: OUTPUT ${_joinedFile} COMMAND ${_prefixCmd} DEPENDS ${_files}")
+ endif()
+ set_property (SOURCE "${_joinedFile}" PROPERTY GENERATED TRUE)
+ if (MSVC_IDE)
+ file (TO_NATIVE_PATH "${_joinedFile}" _joinedFileLogPath)
+ else()
+ file (RELATIVE_PATH _joinedFileLogPath "${CMAKE_BINARY_DIR}" "${_joinedFile}")
+ endif()
+ get_filename_component(_joinedFileBaseName "${_joinedFile}" NAME_WE)
+ get_filename_component(_joinedFileExt "${_joinedFile}" EXT)
+ if (_language AND _joinedFileBaseName MATCHES "${COTIRE_UNITY_SOURCE_FILENAME_SUFFIX}$")
+ set (_comment "Generating ${_language} unity source ${_joinedFileLogPath}")
+ elseif (_language AND _joinedFileBaseName MATCHES "${COTIRE_PREFIX_HEADER_FILENAME_SUFFIX}$")
+ if (_joinedFileExt MATCHES "^\\.c")
+ set (_comment "Generating ${_language} prefix source ${_joinedFileLogPath}")
+ else()
+ set (_comment "Generating ${_language} prefix header ${_joinedFileLogPath}")
+ endif()
+ else()
+ set (_comment "Generating ${_joinedFileLogPath}")
+ endif()
+ add_custom_command(
+ OUTPUT "${_joinedFile}"
+ COMMAND ${_prefixCmd}
+ DEPENDS ${_files}
+ COMMENT "${_comment}"
+ WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+ VERBATIM)
+ list (APPEND ${_cmdsVar} COMMAND ${_prefixCmd})
+ set (${_cmdsVar} ${${_cmdsVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_target_pch_usage _languages _target _wholeTarget)
+ if (XCODE)
+ # for Xcode, we attach a pre-build action to generate the unity sources and prefix headers
+ set (_prefixFiles "")
+ foreach (_language ${_languages})
+ get_property(_prefixFile TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER)
+ if (_prefixFile)
+ list (APPEND _prefixFiles "${_prefixFile}")
+ endif()
+ endforeach()
+ set (_cmds ${ARGN})
+ list (LENGTH _prefixFiles _numberOfPrefixFiles)
+ if (_numberOfPrefixFiles GREATER 1)
+ # we also generate a generic, single prefix header which includes all language specific prefix headers
+ set (_language "")
+ set (_targetScript "")
+ cotire_make_prefix_file_path("${_language}" ${_target} _prefixHeader)
+ cotire_setup_combine_command("${_language}" "${_targetScript}" "${_prefixHeader}" _cmds ${_prefixFiles})
+ else()
+ set (_prefixHeader "${_prefixFiles}")
+ endif()
+ if (COTIRE_DEBUG)
+ message (STATUS "add_custom_command: TARGET ${_target} PRE_BUILD ${_cmds}")
+ endif()
+ # because CMake PRE_BUILD command does not support dependencies,
+ # we check dependencies explicity in cotire script mode when the pre-build action is run
+ add_custom_command(
+ TARGET "${_target}"
+ PRE_BUILD ${_cmds}
+ WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+ COMMENT "Updating target ${_target} prefix headers"
+ VERBATIM)
+ # make Xcode precompile the generated prefix header with ProcessPCH and ProcessPCH++
+ set_target_properties(${_target} PROPERTIES XCODE_ATTRIBUTE_GCC_PRECOMPILE_PREFIX_HEADER "YES")
+ set_target_properties(${_target} PROPERTIES XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${_prefixHeader}")
+ elseif ("${CMAKE_GENERATOR}" MATCHES "Make|Ninja")
+ # for makefile based generator, we force inclusion of the prefix header for all target source files
+ # if this is a single-language target without any excluded files
+ if (_wholeTarget)
+ set (_language "${_languages}")
+ # for Visual Studio and Intel, precompiled header inclusion is always done on the source file level
+ # see cotire_setup_pch_file_inclusion
+ if (NOT CMAKE_${_language}_COMPILER_ID MATCHES "MSVC|Intel")
+ get_property(_prefixFile TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER)
+ if (_prefixFile)
+ get_property(_pchFile TARGET ${_target} PROPERTY COTIRE_${_language}_PRECOMPILED_HEADER)
+ set (_options COMPILE_OPTIONS)
+ cotire_add_prefix_pch_inclusion_flags(
+ "${_language}" "${CMAKE_${_language}_COMPILER_ID}" "${CMAKE_${_language}_COMPILER_VERSION}"
+ "${_prefixFile}" "${_pchFile}" _options)
+ set_property(TARGET ${_target} APPEND PROPERTY ${_options})
+ endif()
+ endif()
+ endif()
+ endif()
+endfunction()
+
+function (cotire_setup_unity_generation_commands _language _target _targetScript _targetConfigScript _unityFiles _cmdsVar)
+ set (_dependencySources "")
+ cotire_get_unity_source_dependencies(${_language} ${_target} _dependencySources ${ARGN})
+ foreach (_unityFile ${_unityFiles})
+ set_property (SOURCE "${_unityFile}" PROPERTY GENERATED TRUE)
+ # set up compiled unity source dependencies via OBJECT_DEPENDS
+ # this ensures that missing source files are generated before the unity file is compiled
+ if (COTIRE_DEBUG AND _dependencySources)
+ message (STATUS "${_unityFile} OBJECT_DEPENDS ${_dependencySources}")
+ endif()
+ if (_dependencySources)
+ # the OBJECT_DEPENDS property requires a list of full paths
+ set (_objectDependsPaths "")
+ foreach (_sourceFile ${_dependencySources})
+ get_source_file_property(_sourceLocation "${_sourceFile}" LOCATION)
+ list (APPEND _objectDependsPaths "${_sourceLocation}")
+ endforeach()
+ set_property (SOURCE "${_unityFile}" PROPERTY OBJECT_DEPENDS ${_objectDependsPaths})
+ endif()
+ if (WIN32 AND CMAKE_${_language}_COMPILER_ID MATCHES "MSVC|Intel")
+ # unity file compilation results in potentially huge object file, thus use /bigobj by default unter MSVC and Windows Intel
+ set_property (SOURCE "${_unityFile}" APPEND_STRING PROPERTY COMPILE_FLAGS "/bigobj")
+ endif()
+ cotire_set_cmd_to_prologue(_unityCmd)
+ list (APPEND _unityCmd -P "${COTIRE_CMAKE_MODULE_FILE}" "unity" "${_targetConfigScript}" "${_unityFile}")
+ if (CMAKE_VERSION VERSION_LESS "3.1.0")
+ set (_unityCmdDepends "${_targetScript}")
+ else()
+ # CMake 3.1.0 supports generator expressions in arguments to DEPENDS
+ set (_unityCmdDepends "${_targetConfigScript}")
+ endif()
+ if (MSVC_IDE)
+ file (TO_NATIVE_PATH "${_unityFile}" _unityFileLogPath)
+ else()
+ file (RELATIVE_PATH _unityFileLogPath "${CMAKE_BINARY_DIR}" "${_unityFile}")
+ endif()
+ if (COTIRE_DEBUG)
+ message (STATUS "add_custom_command: OUTPUT ${_unityFile} COMMAND ${_unityCmd} DEPENDS ${_unityCmdDepends}")
+ endif()
+ add_custom_command(
+ OUTPUT "${_unityFile}"
+ COMMAND ${_unityCmd}
+ DEPENDS ${_unityCmdDepends}
+ COMMENT "Generating ${_language} unity source ${_unityFileLogPath}"
+ WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+ VERBATIM)
+ list (APPEND ${_cmdsVar} COMMAND ${_unityCmd})
+ endforeach()
+ set (${_cmdsVar} ${${_cmdsVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_prefix_generation_command _language _target _targetScript _prefixFile _unityFiles _cmdsVar)
+ set (_sourceFiles ${ARGN})
+ set (_dependencySources "")
+ cotire_get_prefix_header_dependencies(${_language} ${_target} _dependencySources ${_sourceFiles})
+ cotire_set_cmd_to_prologue(_prefixCmd)
+ list (APPEND _prefixCmd -P "${COTIRE_CMAKE_MODULE_FILE}" "prefix" "${_targetScript}" "${_prefixFile}" ${_unityFiles})
+ set_property (SOURCE "${_prefixFile}" PROPERTY GENERATED TRUE)
+ # make prefix header generation depend on the actual compiler executable used to force
+ # re-generation when the compiler executable is updated. This prevents "file not found"
+ # errors for compiler version specific system header files.
+ get_filename_component(_realCompilerExe "${CMAKE_${_language}_COMPILER}" ABSOLUTE)
+ if (COTIRE_DEBUG)
+ message (STATUS "add_custom_command: OUTPUT ${_prefixFile} COMMAND ${_prefixCmd} DEPENDS ${_unityFile} ${_dependencySources} ${_realCompilerExe}")
+ endif()
+ if (MSVC_IDE)
+ file (TO_NATIVE_PATH "${_prefixFile}" _prefixFileLogPath)
+ else()
+ file (RELATIVE_PATH _prefixFileLogPath "${CMAKE_BINARY_DIR}" "${_prefixFile}")
+ endif()
+ get_filename_component(_prefixFileExt "${_prefixFile}" EXT)
+ if (_prefixFileExt MATCHES "^\\.c")
+ set (_comment "Generating ${_language} prefix source ${_prefixFileLogPath}")
+ else()
+ set (_comment "Generating ${_language} prefix header ${_prefixFileLogPath}")
+ endif()
+ # prevent pre-processing errors upon generating the prefix header when a target's generated include file does not yet exist
+ # we do not add a file-level dependency for the target's generated files though, because we only want to depend on their existence
+ # thus we make the prefix header generation depend on a custom helper target which triggers the generation of the files
+ set (_preTargetName "${_target}${COTIRE_PCH_TARGET_SUFFIX}_pre")
+ if (TARGET ${_preTargetName})
+ # custom helper target has already been generated while processing a different language
+ list (APPEND _dependencySources ${_preTargetName})
+ else()
+ get_target_property(_targetSourceFiles ${_target} SOURCES)
+ cotire_get_objects_with_property_on(_generatedSources GENERATED SOURCE ${_targetSourceFiles})
+ if (_generatedSources)
+ add_custom_target("${_preTargetName}" DEPENDS ${_generatedSources})
+ cotire_init_target("${_preTargetName}")
+ list (APPEND _dependencySources ${_preTargetName})
+ endif()
+ endif()
+ add_custom_command(
+ OUTPUT "${_prefixFile}" "${_prefixFile}.log"
+ COMMAND ${_prefixCmd}
+ DEPENDS ${_unityFiles} ${_dependencySources} "${_realCompilerExe}"
+ COMMENT "${_comment}"
+ WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+ VERBATIM)
+ list (APPEND ${_cmdsVar} COMMAND ${_prefixCmd})
+ set (${_cmdsVar} ${${_cmdsVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_prefix_generation_from_unity_command _language _target _targetScript _prefixFile _unityFiles _cmdsVar)
+ set (_sourceFiles ${ARGN})
+ if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang")
+ # GNU and Clang require indirect compilation of the prefix header to make them honor the system_header pragma
+ cotire_prefix_header_to_source_file_path(${_language} "${_prefixFile}" _prefixSourceFile)
+ else()
+ set (_prefixSourceFile "${_prefixFile}")
+ endif()
+ cotire_setup_prefix_generation_command(
+ ${_language} ${_target} "${_targetScript}"
+ "${_prefixSourceFile}" "${_unityFiles}" ${_cmdsVar} ${_sourceFiles})
+ if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang")
+ # set up generation of a prefix source file which includes the prefix header
+ cotire_setup_combine_command(${_language} "${_targetScript}" "${_prefixFile}" _cmds ${_prefixSourceFile})
+ endif()
+ set (${_cmdsVar} ${${_cmdsVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_prefix_generation_from_provided_command _language _target _targetScript _prefixFile _cmdsVar)
+ set (_prefixHeaderFiles ${ARGN})
+ if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang")
+ # GNU and Clang require indirect compilation of the prefix header to make them honor the system_header pragma
+ cotire_prefix_header_to_source_file_path(${_language} "${_prefixFile}" _prefixSourceFile)
+ else()
+ set (_prefixSourceFile "${_prefixFile}")
+ endif()
+ cotire_setup_combine_command(${_language} "${_targetScript}" "${_prefixSourceFile}" _cmds ${_prefixHeaderFiles})
+ if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang")
+ # set up generation of a prefix source file which includes the prefix header
+ cotire_setup_combine_command(${_language} "${_targetScript}" "${_prefixFile}" _cmds ${_prefixSourceFile})
+ endif()
+ set (${_cmdsVar} ${${_cmdsVar}} PARENT_SCOPE)
+endfunction()
+
+function (cotire_init_cotire_target_properties _target)
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_ENABLE_PRECOMPILED_HEADER SET)
+ if (NOT _isSet)
+ set_property(TARGET ${_target} PROPERTY COTIRE_ENABLE_PRECOMPILED_HEADER TRUE)
+ endif()
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_ADD_UNITY_BUILD SET)
+ if (NOT _isSet)
+ set_property(TARGET ${_target} PROPERTY COTIRE_ADD_UNITY_BUILD TRUE)
+ endif()
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_ADD_CLEAN SET)
+ if (NOT _isSet)
+ set_property(TARGET ${_target} PROPERTY COTIRE_ADD_CLEAN FALSE)
+ endif()
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_IGNORE_PATH SET)
+ if (NOT _isSet)
+ set_property(TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_IGNORE_PATH "${CMAKE_SOURCE_DIR}")
+ cotire_check_is_path_relative_to("${CMAKE_BINARY_DIR}" _isRelative "${CMAKE_SOURCE_DIR}")
+ if (NOT _isRelative)
+ set_property(TARGET ${_target} APPEND PROPERTY COTIRE_PREFIX_HEADER_IGNORE_PATH "${CMAKE_BINARY_DIR}")
+ endif()
+ endif()
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_INCLUDE_PATH SET)
+ if (NOT _isSet)
+ set_property(TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_INCLUDE_PATH "")
+ endif()
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_INCLUDE_PRIORITY_PATH SET)
+ if (NOT _isSet)
+ set_property(TARGET ${_target} PROPERTY COTIRE_PREFIX_HEADER_INCLUDE_PRIORITY_PATH "")
+ endif()
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_PRE_UNDEFS SET)
+ if (NOT _isSet)
+ set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_PRE_UNDEFS "")
+ endif()
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_POST_UNDEFS SET)
+ if (NOT _isSet)
+ set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_POST_UNDEFS "")
+ endif()
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_UNITY_LINK_LIBRARIES_INIT SET)
+ if (NOT _isSet)
+ set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_LINK_LIBRARIES_INIT "COPY_UNITY")
+ endif()
+ get_property(_isSet TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES SET)
+ if (NOT _isSet)
+ if (COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES)
+ set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES "${COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES}")
+ else()
+ set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES "")
+ endif()
+ endif()
+endfunction()
+
+function (cotire_make_target_message _target _languages _disableMsg _targetMsgVar)
+ get_target_property(_targetUsePCH ${_target} COTIRE_ENABLE_PRECOMPILED_HEADER)
+ get_target_property(_targetAddSCU ${_target} COTIRE_ADD_UNITY_BUILD)
+ string (REPLACE ";" " " _languagesStr "${_languages}")
+ math (EXPR _numberOfExcludedFiles "${ARGC} - 4")
+ if (_numberOfExcludedFiles EQUAL 0)
+ set (_excludedStr "")
+ elseif (COTIRE_VERBOSE OR _numberOfExcludedFiles LESS 4)
+ string (REPLACE ";" ", " _excludedStr "excluding ${ARGN}")
+ else()
+ set (_excludedStr "excluding ${_numberOfExcludedFiles} files")
+ endif()
+ set (_targetMsg "")
+ if (NOT _languages)
+ set (_targetMsg "Target ${_target} cannot be cotired.")
+ if (_disableMsg)
+ set (_targetMsg "${_targetMsg} ${_disableMsg}")
+ endif()
+ elseif (NOT _targetUsePCH AND NOT _targetAddSCU)
+ set (_targetMsg "${_languagesStr} target ${_target} cotired without unity build and precompiled header.")
+ if (_disableMsg)
+ set (_targetMsg "${_targetMsg} ${_disableMsg}")
+ endif()
+ elseif (NOT _targetUsePCH)
+ if (_excludedStr)
+ set (_targetMsg "${_languagesStr} target ${_target} cotired without precompiled header ${_excludedStr}.")
+ else()
+ set (_targetMsg "${_languagesStr} target ${_target} cotired without precompiled header.")
+ endif()
+ if (_disableMsg)
+ set (_targetMsg "${_targetMsg} ${_disableMsg}")
+ endif()
+ elseif (NOT _targetAddSCU)
+ if (_excludedStr)
+ set (_targetMsg "${_languagesStr} target ${_target} cotired without unity build ${_excludedStr}.")
+ else()
+ set (_targetMsg "${_languagesStr} target ${_target} cotired without unity build.")
+ endif()
+ else()
+ if (_excludedStr)
+ set (_targetMsg "${_languagesStr} target ${_target} cotired ${_excludedStr}.")
+ else()
+ set (_targetMsg "${_languagesStr} target ${_target} cotired.")
+ endif()
+ endif()
+ set (${_targetMsgVar} "${_targetMsg}" PARENT_SCOPE)
+endfunction()
+
+function (cotire_choose_target_languages _target _targetLanguagesVar _wholeTargetVar)
+ set (_languages ${ARGN})
+ set (_allSourceFiles "")
+ set (_allExcludedSourceFiles "")
+ set (_allCotiredSourceFiles "")
+ set (_targetLanguages "")
+ set (_pchEligibleTargetLanguages "")
+ get_target_property(_targetType ${_target} TYPE)
+ get_target_property(_targetSourceFiles ${_target} SOURCES)
+ get_target_property(_targetUsePCH ${_target} COTIRE_ENABLE_PRECOMPILED_HEADER)
+ get_target_property(_targetAddSCU ${_target} COTIRE_ADD_UNITY_BUILD)
+ set (_disableMsg "")
+ foreach (_language ${_languages})
+ get_target_property(_prefixHeader ${_target} COTIRE_${_language}_PREFIX_HEADER)
+ get_target_property(_unityBuildFile ${_target} COTIRE_${_language}_UNITY_SOURCE)
+ if (_prefixHeader OR _unityBuildFile)
+ message (STATUS "cotire: target ${_target} has already been cotired.")
+ set (${_targetLanguagesVar} "" PARENT_SCOPE)
+ return()
+ endif()
+ if (_targetUsePCH AND "${_language}" MATCHES "^C|CXX$" AND DEFINED CMAKE_${_language}_COMPILER_ID)
+ if (CMAKE_${_language}_COMPILER_ID)
+ cotire_check_precompiled_header_support("${_language}" "${_target}" _disableMsg)
+ if (_disableMsg)
+ set (_targetUsePCH FALSE)
+ endif()
+ endif()
+ endif()
+ set (_sourceFiles "")
+ set (_excludedSources "")
+ set (_cotiredSources "")
+ cotire_filter_language_source_files(${_language} ${_target} _sourceFiles _excludedSources _cotiredSources ${_targetSourceFiles})
+ if (_sourceFiles OR _excludedSources OR _cotiredSources)
+ list (APPEND _targetLanguages ${_language})
+ endif()
+ if (_sourceFiles)
+ list (APPEND _allSourceFiles ${_sourceFiles})
+ endif()
+ list (LENGTH _sourceFiles _numberOfSources)
+ if (NOT _numberOfSources LESS ${COTIRE_MINIMUM_NUMBER_OF_TARGET_SOURCES})
+ list (APPEND _pchEligibleTargetLanguages ${_language})
+ endif()
+ if (_excludedSources)
+ list (APPEND _allExcludedSourceFiles ${_excludedSources})
+ endif()
+ if (_cotiredSources)
+ list (APPEND _allCotiredSourceFiles ${_cotiredSources})
+ endif()
+ endforeach()
+ set (_targetMsgLevel STATUS)
+ if (NOT _targetLanguages)
+ string (REPLACE ";" " or " _languagesStr "${_languages}")
+ set (_disableMsg "No ${_languagesStr} source files.")
+ set (_targetUsePCH FALSE)
+ set (_targetAddSCU FALSE)
+ endif()
+ if (_targetUsePCH)
+ if (_allCotiredSourceFiles)
+ cotire_get_source_file_property_values(_cotireTargets COTIRE_TARGET ${_allCotiredSourceFiles})
+ list (REMOVE_DUPLICATES _cotireTargets)
+ string (REPLACE ";" ", " _cotireTargetsStr "${_cotireTargets}")
+ set (_disableMsg "Target sources already include a precompiled header for target(s) ${_cotireTargets}.")
+ set (_disableMsg "${_disableMsg} Set target property COTIRE_ENABLE_PRECOMPILED_HEADER to FALSE for targets ${_target},")
+ set (_disableMsg "${_disableMsg} ${_cotireTargetsStr} to get a workable build system.")
+ set (_targetMsgLevel SEND_ERROR)
+ set (_targetUsePCH FALSE)
+ elseif (NOT _pchEligibleTargetLanguages)
+ set (_disableMsg "Too few applicable sources.")
+ set (_targetUsePCH FALSE)
+ elseif (XCODE AND _allExcludedSourceFiles)
+ # for Xcode, we cannot apply the precompiled header to individual sources, only to the whole target
+ set (_disableMsg "Exclusion of source files not supported for generator Xcode.")
+ set (_targetUsePCH FALSE)
+ elseif (XCODE AND "${_targetType}" STREQUAL "OBJECT_LIBRARY")
+ # for Xcode, we cannot apply the required PRE_BUILD action to generate the prefix header to an OBJECT_LIBRARY target
+ set (_disableMsg "Required PRE_BUILD action not supported for OBJECT_LIBRARY targets for generator Xcode.")
+ set (_targetUsePCH FALSE)
+ endif()
+ endif()
+ set_property(TARGET ${_target} PROPERTY COTIRE_ENABLE_PRECOMPILED_HEADER ${_targetUsePCH})
+ set_property(TARGET ${_target} PROPERTY COTIRE_ADD_UNITY_BUILD ${_targetAddSCU})
+ cotire_make_target_message(${_target} "${_targetLanguages}" "${_disableMsg}" _targetMsg ${_allExcludedSourceFiles})
+ if (_targetMsg)
+ if (NOT DEFINED COTIREMSG_${_target})
+ set (COTIREMSG_${_target} "")
+ endif()
+ if (COTIRE_VERBOSE OR NOT "${_targetMsgLevel}" STREQUAL "STATUS" OR
+ NOT "${COTIREMSG_${_target}}" STREQUAL "${_targetMsg}")
+ # cache message to avoid redundant messages on re-configure
+ set (COTIREMSG_${_target} "${_targetMsg}" CACHE INTERNAL "${_target} cotire message.")
+ message (${_targetMsgLevel} "${_targetMsg}")
+ endif()
+ endif()
+ list (LENGTH _targetLanguages _numberOfLanguages)
+ if (_numberOfLanguages GREATER 1 OR _allExcludedSourceFiles)
+ set (${_wholeTargetVar} FALSE PARENT_SCOPE)
+ else()
+ set (${_wholeTargetVar} TRUE PARENT_SCOPE)
+ endif()
+ set (${_targetLanguagesVar} ${_targetLanguages} PARENT_SCOPE)
+endfunction()
+
+function (cotire_compute_unity_max_number_of_includes _target _maxIncludesVar)
+ set (_sourceFiles ${ARGN})
+ get_target_property(_maxIncludes ${_target} COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES)
+ if (_maxIncludes MATCHES "(-j|--parallel|--jobs) ?([0-9]*)")
+ set (_numberOfThreads "${CMAKE_MATCH_2}")
+ if (NOT _numberOfThreads)
+ # use all available cores
+ ProcessorCount(_numberOfThreads)
+ endif()
+ list (LENGTH _sourceFiles _numberOfSources)
+ math (EXPR _maxIncludes "(${_numberOfSources} + ${_numberOfThreads} - 1) / ${_numberOfThreads}")
+ elseif (NOT _maxIncludes MATCHES "[0-9]+")
+ set (_maxIncludes 0)
+ endif()
+ if (COTIRE_DEBUG)
+ message (STATUS "${_target} unity source max includes: ${_maxIncludes}")
+ endif()
+ set (${_maxIncludesVar} ${_maxIncludes} PARENT_SCOPE)
+endfunction()
+
+function (cotire_process_target_language _language _configurations _target _wholeTarget _cmdsVar)
+ set (${_cmdsVar} "" PARENT_SCOPE)
+ get_target_property(_targetSourceFiles ${_target} SOURCES)
+ set (_sourceFiles "")
+ set (_excludedSources "")
+ set (_cotiredSources "")
+ cotire_filter_language_source_files(${_language} ${_target} _sourceFiles _excludedSources _cotiredSources ${_targetSourceFiles})
+ if (NOT _sourceFiles AND NOT _cotiredSources)
+ return()
+ endif()
+ set (_cmds "")
+ # check for user provided unity source file list
+ get_property(_unitySourceFiles TARGET ${_target} PROPERTY COTIRE_${_language}_UNITY_SOURCE_INIT)
+ if (NOT _unitySourceFiles)
+ set (_unitySourceFiles ${_sourceFiles} ${_cotiredSources})
+ endif()
+ cotire_generate_target_script(
+ ${_language} "${_configurations}" ${_target} _targetScript _targetConfigScript ${_unitySourceFiles})
+ # set up unity files for parallel compilation
+ cotire_compute_unity_max_number_of_includes(${_target} _maxIncludes ${_unitySourceFiles})
+ cotire_make_unity_source_file_paths(${_language} ${_target} ${_maxIncludes} _unityFiles ${_unitySourceFiles})
+ list (LENGTH _unityFiles _numberOfUnityFiles)
+ if (_numberOfUnityFiles EQUAL 0)
+ return()
+ elseif (_numberOfUnityFiles GREATER 1)
+ cotire_setup_unity_generation_commands(
+ ${_language} ${_target} "${_targetScript}" "${_targetConfigScript}" "${_unityFiles}" _cmds ${_unitySourceFiles})
+ endif()
+ # set up single unity file for prefix header generation
+ cotire_make_single_unity_source_file_path(${_language} ${_target} _unityFile)
+ cotire_setup_unity_generation_commands(
+ ${_language} ${_target} "${_targetScript}" "${_targetConfigScript}" "${_unityFile}" _cmds ${_unitySourceFiles})
+ cotire_make_prefix_file_path(${_language} ${_target} _prefixFile)
+ # set up prefix header
+ if (_prefixFile)
+ # check for user provided prefix header files
+ get_property(_prefixHeaderFiles TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER_INIT)
+ if (_prefixHeaderFiles)
+ cotire_setup_prefix_generation_from_provided_command(
+ ${_language} ${_target} "${_targetConfigScript}" "${_prefixFile}" _cmds ${_prefixHeaderFiles})
+ else()
+ cotire_setup_prefix_generation_from_unity_command(
+ ${_language} ${_target} "${_targetConfigScript}" "${_prefixFile}" "${_unityFile}" _cmds ${_unitySourceFiles})
+ endif()
+ # check if selected language has enough sources at all
+ list (LENGTH _sourceFiles _numberOfSources)
+ if (_numberOfSources LESS ${COTIRE_MINIMUM_NUMBER_OF_TARGET_SOURCES})
+ set (_targetUsePCH FALSE)
+ else()
+ get_target_property(_targetUsePCH ${_target} COTIRE_ENABLE_PRECOMPILED_HEADER)
+ endif()
+ if (_targetUsePCH)
+ cotire_make_pch_file_path(${_language} ${_target} _pchFile)
+ if (_pchFile)
+ # first file in _sourceFiles is passed as the host file
+ cotire_setup_pch_file_compilation(
+ ${_language} ${_target} "${_targetConfigScript}" "${_prefixFile}" "${_pchFile}" ${_sourceFiles})
+ cotire_setup_pch_file_inclusion(
+ ${_language} ${_target} ${_wholeTarget} "${_prefixFile}" "${_pchFile}" ${_sourceFiles})
+ endif()
+ elseif (_prefixHeaderFiles)
+ # user provided prefix header must be included unconditionally
+ cotire_setup_prefix_file_inclusion(${_language} ${_target} "${_prefixFile}" ${_sourceFiles})
+ endif()
+ endif()
+ # mark target as cotired for language
+ set_property(TARGET ${_target} PROPERTY COTIRE_${_language}_UNITY_SOURCE "${_unityFiles}")
+ if (_prefixFile)
+ set_property(TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER "${_prefixFile}")
+ if (_targetUsePCH AND _pchFile)
+ set_property(TARGET ${_target} PROPERTY COTIRE_${_language}_PRECOMPILED_HEADER "${_pchFile}")
+ endif()
+ endif()
+ set (${_cmdsVar} ${_cmds} PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_clean_target _target)
+ set (_cleanTargetName "${_target}${COTIRE_CLEAN_TARGET_SUFFIX}")
+ if (NOT TARGET "${_cleanTargetName}")
+ cotire_set_cmd_to_prologue(_cmds)
+ get_filename_component(_outputDir "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}" ABSOLUTE)
+ list (APPEND _cmds -P "${COTIRE_CMAKE_MODULE_FILE}" "cleanup" "${_outputDir}" "${COTIRE_INTDIR}" "${_target}")
+ add_custom_target(${_cleanTargetName}
+ COMMAND ${_cmds}
+ WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+ COMMENT "Cleaning up target ${_target} cotire generated files"
+ VERBATIM)
+ cotire_init_target("${_cleanTargetName}")
+ endif()
+endfunction()
+
+function (cotire_setup_pch_target _languages _configurations _target)
+ if ("${CMAKE_GENERATOR}" MATCHES "Make|Ninja")
+ # for makefile based generators, we add a custom target to trigger the generation of the cotire related files
+ set (_dependsFiles "")
+ foreach (_language ${_languages})
+ set (_props COTIRE_${_language}_PREFIX_HEADER COTIRE_${_language}_UNITY_SOURCE)
+ if (NOT CMAKE_${_language}_COMPILER_ID MATCHES "MSVC|Intel")
+ # Visual Studio and Intel only create precompiled header as a side effect
+ list (INSERT _props 0 COTIRE_${_language}_PRECOMPILED_HEADER)
+ endif()
+ cotire_get_first_set_property_value(_dependsFile TARGET ${_target} ${_props})
+ if (_dependsFile)
+ list (APPEND _dependsFiles "${_dependsFile}")
+ endif()
+ endforeach()
+ if (_dependsFiles)
+ set (_pchTargetName "${_target}${COTIRE_PCH_TARGET_SUFFIX}")
+ add_custom_target("${_pchTargetName}" DEPENDS ${_dependsFiles})
+ cotire_init_target("${_pchTargetName}")
+ cotire_add_to_pch_all_target(${_pchTargetName})
+ endif()
+ else()
+ # for other generators, we add the "clean all" target to clean up the precompiled header
+ cotire_setup_clean_all_target()
+ endif()
+endfunction()
+
+function (cotire_filter_object_libraries _target _objectLibrariesVar)
+ set (_objectLibraries "")
+ foreach (_source ${ARGN})
+ if (_source MATCHES "^\\$<TARGET_OBJECTS:.+>$")
+ list (APPEND _objectLibraries "${_source}")
+ endif()
+ endforeach()
+ set (${_objectLibrariesVar} ${_objectLibraries} PARENT_SCOPE)
+endfunction()
+
+function (cotire_collect_unity_target_sources _target _languages _unityTargetSourcesVar)
+ get_target_property(_targetSourceFiles ${_target} SOURCES)
+ set (_unityTargetSources ${_targetSourceFiles})
+ foreach (_language ${_languages})
+ get_property(_unityFiles TARGET ${_target} PROPERTY COTIRE_${_language}_UNITY_SOURCE)
+ if (_unityFiles)
+ # remove source files that are included in the unity source
+ set (_sourceFiles "")
+ set (_excludedSources "")
+ set (_cotiredSources "")
+ cotire_filter_language_source_files(${_language} ${_target} _sourceFiles _excludedSources _cotiredSources ${_targetSourceFiles})
+ if (_sourceFiles OR _cotiredSources)
+ list (REMOVE_ITEM _unityTargetSources ${_sourceFiles} ${_cotiredSources})
+ endif()
+ # add unity source files instead
+ list (APPEND _unityTargetSources ${_unityFiles})
+ endif()
+ endforeach()
+ get_target_property(_linkLibrariesStrategy ${_target} COTIRE_UNITY_LINK_LIBRARIES_INIT)
+ if ("${_linkLibrariesStrategy}" MATCHES "^COPY_UNITY$")
+ cotire_filter_object_libraries(${_target} _objectLibraries ${_targetSourceFiles})
+ if (_objectLibraries)
+ cotire_map_libraries("${_linkLibrariesStrategy}" _unityObjectLibraries ${_objectLibraries})
+ list (REMOVE_ITEM _unityTargetSources ${_objectLibraries})
+ list (APPEND _unityTargetSources ${_unityObjectLibraries})
+ endif()
+ endif()
+ set (${_unityTargetSourcesVar} ${_unityTargetSources} PARENT_SCOPE)
+endfunction()
+
+function (cotire_setup_unity_target_pch_usage _languages _target)
+ foreach (_language ${_languages})
+ get_property(_unityFiles TARGET ${_target} PROPERTY COTIRE_${_language}_UNITY_SOURCE)
+ if (_unityFiles)
+ get_property(_userPrefixFile TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER_INIT)
+ get_property(_prefixFile TARGET ${_target} PROPERTY COTIRE_${_language}_PREFIX_HEADER)
+ if (_userPrefixFile AND _prefixFile)
+ # user provided prefix header must be included unconditionally by unity sources
+ cotire_setup_prefix_file_inclusion(${_language} ${_target} "${_prefixFile}" ${_unityFiles})
+ endif()
+ endif()
+ endforeach()
+endfunction()
+
+function (cotire_setup_unity_build_target _languages _configurations _target)
+ get_target_property(_unityTargetName ${_target} COTIRE_UNITY_TARGET_NAME)
+ if (NOT _unityTargetName)
+ set (_unityTargetName "${_target}${COTIRE_UNITY_BUILD_TARGET_SUFFIX}")
+ endif()
+ # determine unity target sub type
+ get_target_property(_targetType ${_target} TYPE)
+ if ("${_targetType}" STREQUAL "EXECUTABLE")
+ set (_unityTargetSubType "")
+ elseif (_targetType MATCHES "(STATIC|SHARED|MODULE|OBJECT)_LIBRARY")
+ set (_unityTargetSubType "${CMAKE_MATCH_1}")
+ else()
+ message (WARNING "cotire: target ${_target} has unknown target type ${_targetType}.")
+ return()
+ endif()
+ # determine unity target sources
+ set (_unityTargetSources "")
+ cotire_collect_unity_target_sources(${_target} "${_languages}" _unityTargetSources)
+ # handle automatic Qt processing
+ get_target_property(_targetAutoMoc ${_target} AUTOMOC)
+ get_target_property(_targetAutoUic ${_target} AUTOUIC)
+ get_target_property(_targetAutoRcc ${_target} AUTORCC)
+ if (_targetAutoMoc OR _targetAutoUic OR _targetAutoRcc)
+ # if the original target sources are subject to CMake's automatic Qt processing,
+ # also include implicitly generated <targetname>_automoc.cpp file
+ if (CMAKE_VERSION VERSION_LESS "3.8.0")
+ list (APPEND _unityTargetSources "${_target}_automoc.cpp")
+ set_property (SOURCE "${_target}_automoc.cpp" PROPERTY GENERATED TRUE)
+ else()
+ list (APPEND _unityTargetSources "${_target}_autogen/moc_compilation.cpp")
+ set_property (SOURCE "${_target}_autogen/moc_compilation.cpp" PROPERTY GENERATED TRUE)
+ endif()
+ endif()
+ # prevent AUTOMOC, AUTOUIC and AUTORCC properties from being set when the unity target is created
+ set (CMAKE_AUTOMOC OFF)
+ set (CMAKE_AUTOUIC OFF)
+ set (CMAKE_AUTORCC OFF)
+ if (COTIRE_DEBUG)
+ message (STATUS "add target ${_targetType} ${_unityTargetName} ${_unityTargetSubType} EXCLUDE_FROM_ALL ${_unityTargetSources}")
+ endif()
+ # generate unity target
+ if ("${_targetType}" STREQUAL "EXECUTABLE")
+ add_executable(${_unityTargetName} ${_unityTargetSubType} EXCLUDE_FROM_ALL ${_unityTargetSources})
+ else()
+ add_library(${_unityTargetName} ${_unityTargetSubType} EXCLUDE_FROM_ALL ${_unityTargetSources})
+ endif()
+ if ("${CMAKE_GENERATOR}" MATCHES "Visual Studio")
+ # depend on original target's automoc target, if it exists
+ if (TARGET ${_target}_automoc)
+ add_dependencies(${_unityTargetName} ${_target}_automoc)
+ endif()
+ else()
+ if (_targetAutoMoc OR _targetAutoUic OR _targetAutoRcc)
+ # depend on the original target's implicity generated <targetname>_automoc target
+ if (CMAKE_VERSION VERSION_LESS "3.8.0")
+ add_dependencies(${_unityTargetName} ${_target}_automoc)
+ else()
+ add_dependencies(${_unityTargetName} ${_target}_autogen)
+ endif()
+ endif()
+ endif()
+ # copy output location properties
+ set (_outputDirProperties
+ ARCHIVE_OUTPUT_DIRECTORY ARCHIVE_OUTPUT_DIRECTORY_<CONFIG>
+ LIBRARY_OUTPUT_DIRECTORY LIBRARY_OUTPUT_DIRECTORY_<CONFIG>
+ RUNTIME_OUTPUT_DIRECTORY RUNTIME_OUTPUT_DIRECTORY_<CONFIG>)
+ if (COTIRE_UNITY_OUTPUT_DIRECTORY)
+ set (_setDefaultOutputDir TRUE)
+ if (IS_ABSOLUTE "${COTIRE_UNITY_OUTPUT_DIRECTORY}")
+ set (_outputDir "${COTIRE_UNITY_OUTPUT_DIRECTORY}")
+ else()
+ # append relative COTIRE_UNITY_OUTPUT_DIRECTORY to target's actual output directory
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName} ${_outputDirProperties})
+ cotire_resolve_config_properties("${_configurations}" _properties ${_outputDirProperties})
+ foreach (_property ${_properties})
+ get_property(_outputDir TARGET ${_target} PROPERTY ${_property})
+ if (_outputDir)
+ get_filename_component(_outputDir "${_outputDir}/${COTIRE_UNITY_OUTPUT_DIRECTORY}" ABSOLUTE)
+ set_property(TARGET ${_unityTargetName} PROPERTY ${_property} "${_outputDir}")
+ set (_setDefaultOutputDir FALSE)
+ endif()
+ endforeach()
+ if (_setDefaultOutputDir)
+ get_filename_component(_outputDir "${CMAKE_CURRENT_BINARY_DIR}/${COTIRE_UNITY_OUTPUT_DIRECTORY}" ABSOLUTE)
+ endif()
+ endif()
+ if (_setDefaultOutputDir)
+ set_target_properties(${_unityTargetName} PROPERTIES
+ ARCHIVE_OUTPUT_DIRECTORY "${_outputDir}"
+ LIBRARY_OUTPUT_DIRECTORY "${_outputDir}"
+ RUNTIME_OUTPUT_DIRECTORY "${_outputDir}")
+ endif()
+ else()
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ ${_outputDirProperties})
+ endif()
+ # copy output name
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ ARCHIVE_OUTPUT_NAME ARCHIVE_OUTPUT_NAME_<CONFIG>
+ LIBRARY_OUTPUT_NAME LIBRARY_OUTPUT_NAME_<CONFIG>
+ OUTPUT_NAME OUTPUT_NAME_<CONFIG>
+ RUNTIME_OUTPUT_NAME RUNTIME_OUTPUT_NAME_<CONFIG>
+ PREFIX <CONFIG>_POSTFIX SUFFIX
+ IMPORT_PREFIX IMPORT_SUFFIX)
+ # copy compile stuff
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ COMPILE_DEFINITIONS COMPILE_DEFINITIONS_<CONFIG>
+ COMPILE_FLAGS COMPILE_OPTIONS
+ Fortran_FORMAT Fortran_MODULE_DIRECTORY
+ INCLUDE_DIRECTORIES
+ INTERPROCEDURAL_OPTIMIZATION INTERPROCEDURAL_OPTIMIZATION_<CONFIG>
+ POSITION_INDEPENDENT_CODE
+ C_COMPILER_LAUNCHER CXX_COMPILER_LAUNCHER
+ C_INCLUDE_WHAT_YOU_USE CXX_INCLUDE_WHAT_YOU_USE
+ C_VISIBILITY_PRESET CXX_VISIBILITY_PRESET VISIBILITY_INLINES_HIDDEN
+ C_CLANG_TIDY CXX_CLANG_TIDY)
+ # copy compile features
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ C_EXTENSIONS C_STANDARD C_STANDARD_REQUIRED
+ CXX_EXTENSIONS CXX_STANDARD CXX_STANDARD_REQUIRED
+ COMPILE_FEATURES)
+ # copy interface stuff
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ COMPATIBLE_INTERFACE_BOOL COMPATIBLE_INTERFACE_NUMBER_MAX COMPATIBLE_INTERFACE_NUMBER_MIN
+ COMPATIBLE_INTERFACE_STRING
+ INTERFACE_COMPILE_DEFINITIONS INTERFACE_COMPILE_FEATURES INTERFACE_COMPILE_OPTIONS
+ INTERFACE_INCLUDE_DIRECTORIES INTERFACE_SOURCES
+ INTERFACE_POSITION_INDEPENDENT_CODE INTERFACE_SYSTEM_INCLUDE_DIRECTORIES
+ INTERFACE_AUTOUIC_OPTIONS NO_SYSTEM_FROM_IMPORTED)
+ # copy link stuff
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ BUILD_WITH_INSTALL_RPATH INSTALL_RPATH INSTALL_RPATH_USE_LINK_PATH SKIP_BUILD_RPATH
+ LINKER_LANGUAGE LINK_DEPENDS LINK_DEPENDS_NO_SHARED
+ LINK_FLAGS LINK_FLAGS_<CONFIG>
+ LINK_INTERFACE_LIBRARIES LINK_INTERFACE_LIBRARIES_<CONFIG>
+ LINK_INTERFACE_MULTIPLICITY LINK_INTERFACE_MULTIPLICITY_<CONFIG>
+ LINK_SEARCH_START_STATIC LINK_SEARCH_END_STATIC
+ STATIC_LIBRARY_FLAGS STATIC_LIBRARY_FLAGS_<CONFIG>
+ NO_SONAME SOVERSION VERSION
+ LINK_WHAT_YOU_USE BUILD_RPATH)
+ # copy cmake stuff
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ IMPLICIT_DEPENDS_INCLUDE_TRANSFORM RULE_LAUNCH_COMPILE RULE_LAUNCH_CUSTOM RULE_LAUNCH_LINK)
+ # copy Apple platform specific stuff
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ BUNDLE BUNDLE_EXTENSION FRAMEWORK FRAMEWORK_VERSION INSTALL_NAME_DIR
+ MACOSX_BUNDLE MACOSX_BUNDLE_INFO_PLIST MACOSX_FRAMEWORK_INFO_PLIST MACOSX_RPATH
+ OSX_ARCHITECTURES OSX_ARCHITECTURES_<CONFIG> PRIVATE_HEADER PUBLIC_HEADER RESOURCE XCTEST
+ IOS_INSTALL_COMBINED XCODE_EXPLICIT_FILE_TYPE XCODE_PRODUCT_TYPE)
+ # copy Windows platform specific stuff
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ GNUtoMS
+ COMPILE_PDB_NAME COMPILE_PDB_NAME_<CONFIG>
+ COMPILE_PDB_OUTPUT_DIRECTORY COMPILE_PDB_OUTPUT_DIRECTORY_<CONFIG>
+ PDB_NAME PDB_NAME_<CONFIG> PDB_OUTPUT_DIRECTORY PDB_OUTPUT_DIRECTORY_<CONFIG>
+ VS_DESKTOP_EXTENSIONS_VERSION VS_DOTNET_REFERENCES VS_DOTNET_TARGET_FRAMEWORK_VERSION
+ VS_GLOBAL_KEYWORD VS_GLOBAL_PROJECT_TYPES VS_GLOBAL_ROOTNAMESPACE
+ VS_IOT_EXTENSIONS_VERSION VS_IOT_STARTUP_TASK
+ VS_KEYWORD VS_MOBILE_EXTENSIONS_VERSION
+ VS_SCC_AUXPATH VS_SCC_LOCALPATH VS_SCC_PROJECTNAME VS_SCC_PROVIDER
+ VS_WINDOWS_TARGET_PLATFORM_MIN_VERSION
+ VS_WINRT_COMPONENT VS_WINRT_EXTENSIONS VS_WINRT_REFERENCES
+ WIN32_EXECUTABLE WINDOWS_EXPORT_ALL_SYMBOLS
+ DEPLOYMENT_REMOTE_DIRECTORY VS_CONFIGURATION_TYPE
+ VS_SDK_REFERENCES VS_USER_PROPS VS_DEBUGGER_WORKING_DIRECTORY)
+ # copy Android platform specific stuff
+ cotire_copy_set_properties("${_configurations}" TARGET ${_target} ${_unityTargetName}
+ ANDROID_API ANDROID_API_MIN ANDROID_GUI
+ ANDROID_ANT_ADDITIONAL_OPTIONS ANDROID_ARCH ANDROID_ASSETS_DIRECTORIES
+ ANDROID_JAR_DEPENDENCIES ANDROID_JAR_DIRECTORIES ANDROID_JAVA_SOURCE_DIR
+ ANDROID_NATIVE_LIB_DEPENDENCIES ANDROID_NATIVE_LIB_DIRECTORIES
+ ANDROID_PROCESS_MAX ANDROID_PROGUARD ANDROID_PROGUARD_CONFIG_PATH
+ ANDROID_SECURE_PROPS_PATH ANDROID_SKIP_ANT_STEP ANDROID_STL_TYPE)
+ # use output name from original target
+ get_target_property(_targetOutputName ${_unityTargetName} OUTPUT_NAME)
+ if (NOT _targetOutputName)
+ set_property(TARGET ${_unityTargetName} PROPERTY OUTPUT_NAME "${_target}")
+ endif()
+ # use export symbol from original target
+ cotire_get_target_export_symbol("${_target}" _defineSymbol)
+ if (_defineSymbol)
+ set_property(TARGET ${_unityTargetName} PROPERTY DEFINE_SYMBOL "${_defineSymbol}")
+ if ("${_targetType}" STREQUAL "EXECUTABLE")
+ set_property(TARGET ${_unityTargetName} PROPERTY ENABLE_EXPORTS TRUE)
+ endif()
+ endif()
+ cotire_init_target(${_unityTargetName})
+ cotire_add_to_unity_all_target(${_unityTargetName})
+ set_property(TARGET ${_target} PROPERTY COTIRE_UNITY_TARGET_NAME "${_unityTargetName}")
+endfunction(cotire_setup_unity_build_target)
+
+function (cotire_target _target)
+ set(_options "")
+ set(_oneValueArgs "")
+ set(_multiValueArgs LANGUAGES CONFIGURATIONS)
+ cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+ if (NOT _option_LANGUAGES)
+ get_property (_option_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
+ endif()
+ if (NOT _option_CONFIGURATIONS)
+ cotire_get_configuration_types(_option_CONFIGURATIONS)
+ endif()
+ # check if cotire can be applied to target at all
+ cotire_is_target_supported(${_target} _isSupported)
+ if (NOT _isSupported)
+ get_target_property(_imported ${_target} IMPORTED)
+ get_target_property(_targetType ${_target} TYPE)
+ if (_imported)
+ message (WARNING "cotire: imported ${_targetType} target ${_target} cannot be cotired.")
+ else()
+ message (STATUS "cotire: ${_targetType} target ${_target} cannot be cotired.")
+ endif()
+ return()
+ endif()
+ # resolve alias
+ get_target_property(_aliasName ${_target} ALIASED_TARGET)
+ if (_aliasName)
+ if (COTIRE_DEBUG)
+ message (STATUS "${_target} is an alias. Applying cotire to aliased target ${_aliasName} instead.")
+ endif()
+ set (_target ${_aliasName})
+ endif()
+ # check if target needs to be cotired for build type
+ # when using configuration types, the test is performed at build time
+ cotire_init_cotire_target_properties(${_target})
+ if (NOT CMAKE_CONFIGURATION_TYPES)
+ if (CMAKE_BUILD_TYPE)
+ list (FIND _option_CONFIGURATIONS "${CMAKE_BUILD_TYPE}" _index)
+ else()
+ list (FIND _option_CONFIGURATIONS "None" _index)
+ endif()
+ if (_index EQUAL -1)
+ if (COTIRE_DEBUG)
+ message (STATUS "CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} not cotired (${_option_CONFIGURATIONS})")
+ endif()
+ return()
+ endif()
+ endif()
+ # when not using configuration types, immediately create cotire intermediate dir
+ if (NOT CMAKE_CONFIGURATION_TYPES)
+ cotire_get_intermediate_dir(_baseDir)
+ file (MAKE_DIRECTORY "${_baseDir}")
+ endif()
+ # choose languages that apply to the target
+ cotire_choose_target_languages("${_target}" _targetLanguages _wholeTarget ${_option_LANGUAGES})
+ if (NOT _targetLanguages)
+ return()
+ endif()
+ set (_cmds "")
+ foreach (_language ${_targetLanguages})
+ cotire_process_target_language("${_language}" "${_option_CONFIGURATIONS}" ${_target} ${_wholeTarget} _cmd)
+ if (_cmd)
+ list (APPEND _cmds ${_cmd})
+ endif()
+ endforeach()
+ get_target_property(_targetAddSCU ${_target} COTIRE_ADD_UNITY_BUILD)
+ if (_targetAddSCU)
+ cotire_setup_unity_build_target("${_targetLanguages}" "${_option_CONFIGURATIONS}" ${_target})
+ endif()
+ get_target_property(_targetUsePCH ${_target} COTIRE_ENABLE_PRECOMPILED_HEADER)
+ if (_targetUsePCH)
+ cotire_setup_target_pch_usage("${_targetLanguages}" ${_target} ${_wholeTarget} ${_cmds})
+ cotire_setup_pch_target("${_targetLanguages}" "${_option_CONFIGURATIONS}" ${_target})
+ if (_targetAddSCU)
+ cotire_setup_unity_target_pch_usage("${_targetLanguages}" ${_target})
+ endif()
+ endif()
+ get_target_property(_targetAddCleanTarget ${_target} COTIRE_ADD_CLEAN)
+ if (_targetAddCleanTarget)
+ cotire_setup_clean_target(${_target})
+ endif()
+endfunction(cotire_target)
+
+function (cotire_map_libraries _strategy _mappedLibrariesVar)
+ set (_mappedLibraries "")
+ foreach (_library ${ARGN})
+ if (_library MATCHES "^\\$<LINK_ONLY:(.+)>$")
+ set (_libraryName "${CMAKE_MATCH_1}")
+ set (_linkOnly TRUE)
+ set (_objectLibrary FALSE)
+ elseif (_library MATCHES "^\\$<TARGET_OBJECTS:(.+)>$")
+ set (_libraryName "${CMAKE_MATCH_1}")
+ set (_linkOnly FALSE)
+ set (_objectLibrary TRUE)
+ else()
+ set (_libraryName "${_library}")
+ set (_linkOnly FALSE)
+ set (_objectLibrary FALSE)
+ endif()
+ if ("${_strategy}" MATCHES "COPY_UNITY")
+ cotire_is_target_supported(${_libraryName} _isSupported)
+ if (_isSupported)
+ # use target's corresponding unity target, if available
+ get_target_property(_libraryUnityTargetName ${_libraryName} COTIRE_UNITY_TARGET_NAME)
+ if (TARGET "${_libraryUnityTargetName}")
+ if (_linkOnly)
+ list (APPEND _mappedLibraries "$<LINK_ONLY:${_libraryUnityTargetName}>")
+ elseif (_objectLibrary)
+ list (APPEND _mappedLibraries "$<TARGET_OBJECTS:${_libraryUnityTargetName}>")
+ else()
+ list (APPEND _mappedLibraries "${_libraryUnityTargetName}")
+ endif()
+ else()
+ list (APPEND _mappedLibraries "${_library}")
+ endif()
+ else()
+ list (APPEND _mappedLibraries "${_library}")
+ endif()
+ else()
+ list (APPEND _mappedLibraries "${_library}")
+ endif()
+ endforeach()
+ list (REMOVE_DUPLICATES _mappedLibraries)
+ set (${_mappedLibrariesVar} ${_mappedLibraries} PARENT_SCOPE)
+endfunction()
+
+function (cotire_target_link_libraries _target)
+ cotire_is_target_supported(${_target} _isSupported)
+ if (NOT _isSupported)
+ return()
+ endif()
+ get_target_property(_unityTargetName ${_target} COTIRE_UNITY_TARGET_NAME)
+ if (TARGET "${_unityTargetName}")
+ get_target_property(_linkLibrariesStrategy ${_target} COTIRE_UNITY_LINK_LIBRARIES_INIT)
+ if (COTIRE_DEBUG)
+ message (STATUS "unity target ${_unityTargetName} link strategy: ${_linkLibrariesStrategy}")
+ endif()
+ if ("${_linkLibrariesStrategy}" MATCHES "^(COPY|COPY_UNITY)$")
+ get_target_property(_linkLibraries ${_target} LINK_LIBRARIES)
+ if (_linkLibraries)
+ cotire_map_libraries("${_linkLibrariesStrategy}" _unityLinkLibraries ${_linkLibraries})
+ set_target_properties(${_unityTargetName} PROPERTIES LINK_LIBRARIES "${_unityLinkLibraries}")
+ if (COTIRE_DEBUG)
+ message (STATUS "unity target ${_unityTargetName} link libraries: ${_unityLinkLibraries}")
+ endif()
+ endif()
+ get_target_property(_interfaceLinkLibraries ${_target} INTERFACE_LINK_LIBRARIES)
+ if (_interfaceLinkLibraries)
+ cotire_map_libraries("${_linkLibrariesStrategy}" _unityLinkInterfaceLibraries ${_interfaceLinkLibraries})
+ set_target_properties(${_unityTargetName} PROPERTIES INTERFACE_LINK_LIBRARIES "${_unityLinkInterfaceLibraries}")
+ if (COTIRE_DEBUG)
+ message (STATUS "unity target ${_unityTargetName} interface link libraries: ${_unityLinkInterfaceLibraries}")
+ endif()
+ endif()
+ endif()
+ endif()
+endfunction(cotire_target_link_libraries)
+
+function (cotire_cleanup _binaryDir _cotireIntermediateDirName _targetName)
+ if (_targetName)
+ file (GLOB_RECURSE _cotireFiles "${_binaryDir}/${_targetName}*.*")
+ else()
+ file (GLOB_RECURSE _cotireFiles "${_binaryDir}/*.*")
+ endif()
+ # filter files in intermediate directory
+ set (_filesToRemove "")
+ foreach (_file ${_cotireFiles})
+ get_filename_component(_dir "${_file}" DIRECTORY)
+ get_filename_component(_dirName "${_dir}" NAME)
+ if ("${_dirName}" STREQUAL "${_cotireIntermediateDirName}")
+ list (APPEND _filesToRemove "${_file}")
+ endif()
+ endforeach()
+ if (_filesToRemove)
+ if (COTIRE_VERBOSE)
+ message (STATUS "cleaning up ${_filesToRemove}")
+ endif()
+ file (REMOVE ${_filesToRemove})
+ endif()
+endfunction()
+
+function (cotire_init_target _targetName)
+ if (COTIRE_TARGETS_FOLDER)
+ set_target_properties(${_targetName} PROPERTIES FOLDER "${COTIRE_TARGETS_FOLDER}")
+ endif()
+ set_target_properties(${_targetName} PROPERTIES EXCLUDE_FROM_ALL TRUE)
+ if (MSVC_IDE)
+ set_target_properties(${_targetName} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD TRUE)
+ endif()
+endfunction()
+
+function (cotire_add_to_pch_all_target _pchTargetName)
+ set (_targetName "${COTIRE_PCH_ALL_TARGET_NAME}")
+ if (NOT TARGET "${_targetName}")
+ add_custom_target("${_targetName}"
+ WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+ VERBATIM)
+ cotire_init_target("${_targetName}")
+ endif()
+ cotire_setup_clean_all_target()
+ add_dependencies(${_targetName} ${_pchTargetName})
+endfunction()
+
+function (cotire_add_to_unity_all_target _unityTargetName)
+ set (_targetName "${COTIRE_UNITY_BUILD_ALL_TARGET_NAME}")
+ if (NOT TARGET "${_targetName}")
+ add_custom_target("${_targetName}"
+ WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+ VERBATIM)
+ cotire_init_target("${_targetName}")
+ endif()
+ cotire_setup_clean_all_target()
+ add_dependencies(${_targetName} ${_unityTargetName})
+endfunction()
+
+function (cotire_setup_clean_all_target)
+ set (_targetName "${COTIRE_CLEAN_ALL_TARGET_NAME}")
+ if (NOT TARGET "${_targetName}")
+ cotire_set_cmd_to_prologue(_cmds)
+ list (APPEND _cmds -P "${COTIRE_CMAKE_MODULE_FILE}" "cleanup" "${CMAKE_BINARY_DIR}" "${COTIRE_INTDIR}")
+ add_custom_target(${_targetName}
+ COMMAND ${_cmds}
+ WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+ COMMENT "Cleaning up all cotire generated files"
+ VERBATIM)
+ cotire_init_target("${_targetName}")
+ endif()
+endfunction()
+
+function (cotire)
+ set(_options "")
+ set(_oneValueArgs "")
+ set(_multiValueArgs LANGUAGES CONFIGURATIONS)
+ cmake_parse_arguments(_option "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
+ set (_targets ${_option_UNPARSED_ARGUMENTS})
+ foreach (_target ${_targets})
+ if (TARGET ${_target})
+ cotire_target(${_target} LANGUAGES ${_option_LANGUAGES} CONFIGURATIONS ${_option_CONFIGURATIONS})
+ else()
+ message (WARNING "cotire: ${_target} is not a target.")
+ endif()
+ endforeach()
+ foreach (_target ${_targets})
+ if (TARGET ${_target})
+ cotire_target_link_libraries(${_target})
+ endif()
+ endforeach()
+endfunction()
+
+if (CMAKE_SCRIPT_MODE_FILE)
+
+ # cotire is being run in script mode
+ # locate -P on command args
+ set (COTIRE_ARGC -1)
+ foreach (_index RANGE ${CMAKE_ARGC})
+ if (COTIRE_ARGC GREATER -1)
+ set (COTIRE_ARGV${COTIRE_ARGC} "${CMAKE_ARGV${_index}}")
+ math (EXPR COTIRE_ARGC "${COTIRE_ARGC} + 1")
+ elseif ("${CMAKE_ARGV${_index}}" STREQUAL "-P")
+ set (COTIRE_ARGC 0)
+ endif()
+ endforeach()
+
+ # include target script if available
+ if ("${COTIRE_ARGV2}" MATCHES "\\.cmake$")
+ # the included target scripts sets up additional variables relating to the target (e.g., COTIRE_TARGET_SOURCES)
+ include("${COTIRE_ARGV2}")
+ endif()
+
+ if (COTIRE_DEBUG)
+ message (STATUS "${COTIRE_ARGV0} ${COTIRE_ARGV1} ${COTIRE_ARGV2} ${COTIRE_ARGV3} ${COTIRE_ARGV4} ${COTIRE_ARGV5}")
+ endif()
+
+ if (NOT COTIRE_BUILD_TYPE)
+ set (COTIRE_BUILD_TYPE "None")
+ endif()
+ string (TOUPPER "${COTIRE_BUILD_TYPE}" _upperConfig)
+ set (_includeDirs ${COTIRE_TARGET_INCLUDE_DIRECTORIES_${_upperConfig}})
+ set (_systemIncludeDirs ${COTIRE_TARGET_SYSTEM_INCLUDE_DIRECTORIES_${_upperConfig}})
+ set (_compileDefinitions ${COTIRE_TARGET_COMPILE_DEFINITIONS_${_upperConfig}})
+ set (_compileFlags ${COTIRE_TARGET_COMPILE_FLAGS_${_upperConfig}})
+ # check if target has been cotired for actual build type COTIRE_BUILD_TYPE
+ list (FIND COTIRE_TARGET_CONFIGURATION_TYPES "${COTIRE_BUILD_TYPE}" _index)
+ if (_index GREATER -1)
+ set (_sources ${COTIRE_TARGET_SOURCES})
+ set (_sourcesDefinitions ${COTIRE_TARGET_SOURCES_COMPILE_DEFINITIONS_${_upperConfig}})
+ else()
+ if (COTIRE_DEBUG)
+ message (STATUS "COTIRE_BUILD_TYPE=${COTIRE_BUILD_TYPE} not cotired (${COTIRE_TARGET_CONFIGURATION_TYPES})")
+ endif()
+ set (_sources "")
+ set (_sourcesDefinitions "")
+ endif()
+ set (_targetPreUndefs ${COTIRE_TARGET_PRE_UNDEFS})
+ set (_targetPostUndefs ${COTIRE_TARGET_POST_UNDEFS})
+ set (_sourcesPreUndefs ${COTIRE_TARGET_SOURCES_PRE_UNDEFS})
+ set (_sourcesPostUndefs ${COTIRE_TARGET_SOURCES_POST_UNDEFS})
+
+ if ("${COTIRE_ARGV1}" STREQUAL "unity")
+
+ if (XCODE)
+ # executing pre-build action under Xcode, check dependency on target script
+ set (_dependsOption DEPENDS "${COTIRE_ARGV2}")
+ else()
+ # executing custom command, no need to re-check for dependencies
+ set (_dependsOption "")
+ endif()
+
+ cotire_select_unity_source_files("${COTIRE_ARGV3}" _sources ${_sources})
+
+ cotire_generate_unity_source(
+ "${COTIRE_ARGV3}" ${_sources}
+ LANGUAGE "${COTIRE_TARGET_LANGUAGE}"
+ SOURCES_COMPILE_DEFINITIONS ${_sourcesDefinitions}
+ PRE_UNDEFS ${_targetPreUndefs}
+ POST_UNDEFS ${_targetPostUndefs}
+ SOURCES_PRE_UNDEFS ${_sourcesPreUndefs}
+ SOURCES_POST_UNDEFS ${_sourcesPostUndefs}
+ ${_dependsOption})
+
+ elseif ("${COTIRE_ARGV1}" STREQUAL "prefix")
+
+ if (XCODE)
+ # executing pre-build action under Xcode, check dependency on unity file and prefix dependencies
+ set (_dependsOption DEPENDS "${COTIRE_ARGV4}" ${COTIRE_TARGET_PREFIX_DEPENDS})
+ else()
+ # executing custom command, no need to re-check for dependencies
+ set (_dependsOption "")
+ endif()
+
+ set (_files "")
+ foreach (_index RANGE 4 ${COTIRE_ARGC})
+ if (COTIRE_ARGV${_index})
+ list (APPEND _files "${COTIRE_ARGV${_index}}")
+ endif()
+ endforeach()
+
+ cotire_generate_prefix_header(
+ "${COTIRE_ARGV3}" ${_files}
+ COMPILER_LAUNCHER "${COTIRE_TARGET_${COTIRE_TARGET_LANGUAGE}_COMPILER_LAUNCHER}"
+ COMPILER_EXECUTABLE "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER}"
+ COMPILER_ARG1 ${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_ARG1}
+ COMPILER_ID "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_ID}"
+ COMPILER_VERSION "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_VERSION}"
+ LANGUAGE "${COTIRE_TARGET_LANGUAGE}"
+ IGNORE_PATH "${COTIRE_TARGET_IGNORE_PATH};${COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_PATH}"
+ INCLUDE_PATH ${COTIRE_TARGET_INCLUDE_PATH}
+ IGNORE_EXTENSIONS "${CMAKE_${COTIRE_TARGET_LANGUAGE}_SOURCE_FILE_EXTENSIONS};${COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_EXTENSIONS}"
+ INCLUDE_PRIORITY_PATH ${COTIRE_TARGET_INCLUDE_PRIORITY_PATH}
+ INCLUDE_DIRECTORIES ${_includeDirs}
+ SYSTEM_INCLUDE_DIRECTORIES ${_systemIncludeDirs}
+ COMPILE_DEFINITIONS ${_compileDefinitions}
+ COMPILE_FLAGS ${_compileFlags}
+ ${_dependsOption})
+
+ elseif ("${COTIRE_ARGV1}" STREQUAL "precompile")
+
+ set (_files "")
+ foreach (_index RANGE 5 ${COTIRE_ARGC})
+ if (COTIRE_ARGV${_index})
+ list (APPEND _files "${COTIRE_ARGV${_index}}")
+ endif()
+ endforeach()
+
+ cotire_precompile_prefix_header(
+ "${COTIRE_ARGV3}" "${COTIRE_ARGV4}" "${COTIRE_ARGV5}"
+ COMPILER_LAUNCHER "${COTIRE_TARGET_${COTIRE_TARGET_LANGUAGE}_COMPILER_LAUNCHER}"
+ COMPILER_EXECUTABLE "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER}"
+ COMPILER_ARG1 ${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_ARG1}
+ COMPILER_ID "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_ID}"
+ COMPILER_VERSION "${CMAKE_${COTIRE_TARGET_LANGUAGE}_COMPILER_VERSION}"
+ LANGUAGE "${COTIRE_TARGET_LANGUAGE}"
+ INCLUDE_DIRECTORIES ${_includeDirs}
+ SYSTEM_INCLUDE_DIRECTORIES ${_systemIncludeDirs}
+ COMPILE_DEFINITIONS ${_compileDefinitions}
+ COMPILE_FLAGS ${_compileFlags})
+
+ elseif ("${COTIRE_ARGV1}" STREQUAL "combine")
+
+ if (COTIRE_TARGET_LANGUAGE)
+ set (_combinedFile "${COTIRE_ARGV3}")
+ set (_startIndex 4)
+ else()
+ set (_combinedFile "${COTIRE_ARGV2}")
+ set (_startIndex 3)
+ endif()
+ set (_files "")
+ foreach (_index RANGE ${_startIndex} ${COTIRE_ARGC})
+ if (COTIRE_ARGV${_index})
+ list (APPEND _files "${COTIRE_ARGV${_index}}")
+ endif()
+ endforeach()
+
+ if (XCODE)
+ # executing pre-build action under Xcode, check dependency on files to be combined
+ set (_dependsOption DEPENDS ${_files})
+ else()
+ # executing custom command, no need to re-check for dependencies
+ set (_dependsOption "")
+ endif()
+
+ if (COTIRE_TARGET_LANGUAGE)
+ cotire_generate_unity_source(
+ "${_combinedFile}" ${_files}
+ LANGUAGE "${COTIRE_TARGET_LANGUAGE}"
+ ${_dependsOption})
+ else()
+ cotire_generate_unity_source("${_combinedFile}" ${_files} ${_dependsOption})
+ endif()
+
+ elseif ("${COTIRE_ARGV1}" STREQUAL "cleanup")
+
+ cotire_cleanup("${COTIRE_ARGV2}" "${COTIRE_ARGV3}" "${COTIRE_ARGV4}")
+
+ else()
+ message (FATAL_ERROR "cotire: unknown command \"${COTIRE_ARGV1}\".")
+ endif()
+
+else()
+
+ # cotire is being run in include mode
+ # set up all variable and property definitions
+
+ if (NOT DEFINED COTIRE_DEBUG_INIT)
+ if (DEFINED COTIRE_DEBUG)
+ set (COTIRE_DEBUG_INIT ${COTIRE_DEBUG})
+ else()
+ set (COTIRE_DEBUG_INIT FALSE)
+ endif()
+ endif()
+ option (COTIRE_DEBUG "Enable cotire debugging output?" ${COTIRE_DEBUG_INIT})
+
+ if (NOT DEFINED COTIRE_VERBOSE_INIT)
+ if (DEFINED COTIRE_VERBOSE)
+ set (COTIRE_VERBOSE_INIT ${COTIRE_VERBOSE})
+ else()
+ set (COTIRE_VERBOSE_INIT FALSE)
+ endif()
+ endif()
+ option (COTIRE_VERBOSE "Enable cotire verbose output?" ${COTIRE_VERBOSE_INIT})
+
+ set (COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_EXTENSIONS "inc;inl;ipp" CACHE STRING
+ "Ignore headers with the listed file extensions from the generated prefix header.")
+
+ set (COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_PATH "" CACHE STRING
+ "Ignore headers from these directories when generating the prefix header.")
+
+ set (COTIRE_UNITY_SOURCE_EXCLUDE_EXTENSIONS "m;mm" CACHE STRING
+ "Ignore sources with the listed file extensions from the generated unity source.")
+
+ set (COTIRE_MINIMUM_NUMBER_OF_TARGET_SOURCES "3" CACHE STRING
+ "Minimum number of sources in target required to enable use of precompiled header.")
+
+ if (NOT DEFINED COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES_INIT)
+ if (DEFINED COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES)
+ set (COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES_INIT ${COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES})
+ elseif ("${CMAKE_GENERATOR}" MATCHES "JOM|Ninja|Visual Studio")
+ # enable parallelization for generators that run multiple jobs by default
+ set (COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES_INIT "-j")
+ else()
+ set (COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES_INIT "0")
+ endif()
+ endif()
+ set (COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES "${COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES_INIT}" CACHE STRING
+ "Maximum number of source files to include in a single unity source file.")
+
+ if (NOT COTIRE_PREFIX_HEADER_FILENAME_SUFFIX)
+ set (COTIRE_PREFIX_HEADER_FILENAME_SUFFIX "_prefix")
+ endif()
+ if (NOT COTIRE_UNITY_SOURCE_FILENAME_SUFFIX)
+ set (COTIRE_UNITY_SOURCE_FILENAME_SUFFIX "_unity")
+ endif()
+ if (NOT COTIRE_INTDIR)
+ set (COTIRE_INTDIR "cotire")
+ endif()
+ if (NOT COTIRE_PCH_ALL_TARGET_NAME)
+ set (COTIRE_PCH_ALL_TARGET_NAME "all_pch")
+ endif()
+ if (NOT COTIRE_UNITY_BUILD_ALL_TARGET_NAME)
+ set (COTIRE_UNITY_BUILD_ALL_TARGET_NAME "all_unity")
+ endif()
+ if (NOT COTIRE_CLEAN_ALL_TARGET_NAME)
+ set (COTIRE_CLEAN_ALL_TARGET_NAME "clean_cotire")
+ endif()
+ if (NOT COTIRE_CLEAN_TARGET_SUFFIX)
+ set (COTIRE_CLEAN_TARGET_SUFFIX "_clean_cotire")
+ endif()
+ if (NOT COTIRE_PCH_TARGET_SUFFIX)
+ set (COTIRE_PCH_TARGET_SUFFIX "_pch")
+ endif()
+ if (MSVC)
+ # MSVC default PCH memory scaling factor of 100 percent (75 MB) is too small for template heavy C++ code
+ # use a bigger default factor of 170 percent (128 MB)
+ if (NOT DEFINED COTIRE_PCH_MEMORY_SCALING_FACTOR)
+ set (COTIRE_PCH_MEMORY_SCALING_FACTOR "170")
+ endif()
+ endif()
+ if (NOT COTIRE_UNITY_BUILD_TARGET_SUFFIX)
+ set (COTIRE_UNITY_BUILD_TARGET_SUFFIX "_unity")
+ endif()
+ if (NOT DEFINED COTIRE_TARGETS_FOLDER)
+ set (COTIRE_TARGETS_FOLDER "cotire")
+ endif()
+ if (NOT DEFINED COTIRE_UNITY_OUTPUT_DIRECTORY)
+ if ("${CMAKE_GENERATOR}" MATCHES "Ninja")
+ # generated Ninja build files do not work if the unity target produces the same output file as the cotired target
+ set (COTIRE_UNITY_OUTPUT_DIRECTORY "unity")
+ else()
+ set (COTIRE_UNITY_OUTPUT_DIRECTORY "")
+ endif()
+ endif()
+
+ # define cotire cache variables
+
+ define_property(
+ CACHED_VARIABLE PROPERTY "COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_PATH"
+ BRIEF_DOCS "Ignore headers from these directories when generating the prefix header."
+ FULL_DOCS
+ "The variable can be set to a semicolon separated list of include directories."
+ "If a header file is found in one of these directories or sub-directories, it will be excluded from the generated prefix header."
+ "If not defined, defaults to empty list."
+ )
+
+ define_property(
+ CACHED_VARIABLE PROPERTY "COTIRE_ADDITIONAL_PREFIX_HEADER_IGNORE_EXTENSIONS"
+ BRIEF_DOCS "Ignore includes with the listed file extensions from the generated prefix header."
+ FULL_DOCS
+ "The variable can be set to a semicolon separated list of file extensions."
+ "If a header file extension matches one in the list, it will be excluded from the generated prefix header."
+ "Includes with an extension in CMAKE_<LANG>_SOURCE_FILE_EXTENSIONS are always ignored."
+ "If not defined, defaults to inc;inl;ipp."
+ )
+
+ define_property(
+ CACHED_VARIABLE PROPERTY "COTIRE_UNITY_SOURCE_EXCLUDE_EXTENSIONS"
+ BRIEF_DOCS "Exclude sources with the listed file extensions from the generated unity source."
+ FULL_DOCS
+ "The variable can be set to a semicolon separated list of file extensions."
+ "If a source file extension matches one in the list, it will be excluded from the generated unity source file."
+ "Source files with an extension in CMAKE_<LANG>_IGNORE_EXTENSIONS are always excluded."
+ "If not defined, defaults to m;mm."
+ )
+
+ define_property(
+ CACHED_VARIABLE PROPERTY "COTIRE_MINIMUM_NUMBER_OF_TARGET_SOURCES"
+ BRIEF_DOCS "Minimum number of sources in target required to enable use of precompiled header."
+ FULL_DOCS
+ "The variable can be set to an integer > 0."
+ "If a target contains less than that number of source files, cotire will not enable the use of the precompiled header for the target."
+ "If not defined, defaults to 3."
+ )
+
+ define_property(
+ CACHED_VARIABLE PROPERTY "COTIRE_MAXIMUM_NUMBER_OF_UNITY_INCLUDES"
+ BRIEF_DOCS "Maximum number of source files to include in a single unity source file."
+ FULL_DOCS
+ "This may be set to an integer >= 0."
+ "If 0, cotire will only create a single unity source file."
+ "If a target contains more than that number of source files, cotire will create multiple unity source files for it."
+ "Can be set to \"-j\" to optimize the count of unity source files for the number of available processor cores."
+ "Can be set to \"-j jobs\" to optimize the number of unity source files for the given number of simultaneous jobs."
+ "Is used to initialize the target property COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES."
+ "Defaults to \"-j\" for the generators Visual Studio, JOM or Ninja. Defaults to 0 otherwise."
+ )
+
+ # define cotire directory properties
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_ENABLE_PRECOMPILED_HEADER"
+ BRIEF_DOCS "Modify build command of cotired targets added in this directory to make use of the generated precompiled header."
+ FULL_DOCS
+ "See target property COTIRE_ENABLE_PRECOMPILED_HEADER."
+ )
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_ADD_UNITY_BUILD"
+ BRIEF_DOCS "Add a new target that performs a unity build for cotired targets added in this directory."
+ FULL_DOCS
+ "See target property COTIRE_ADD_UNITY_BUILD."
+ )
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_ADD_CLEAN"
+ BRIEF_DOCS "Add a new target that cleans all cotire generated files for cotired targets added in this directory."
+ FULL_DOCS
+ "See target property COTIRE_ADD_CLEAN."
+ )
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_PREFIX_HEADER_IGNORE_PATH"
+ BRIEF_DOCS "Ignore headers from these directories when generating the prefix header."
+ FULL_DOCS
+ "See target property COTIRE_PREFIX_HEADER_IGNORE_PATH."
+ )
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_PREFIX_HEADER_INCLUDE_PATH"
+ BRIEF_DOCS "Honor headers from these directories when generating the prefix header."
+ FULL_DOCS
+ "See target property COTIRE_PREFIX_HEADER_INCLUDE_PATH."
+ )
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_PREFIX_HEADER_INCLUDE_PRIORITY_PATH"
+ BRIEF_DOCS "Header paths matching one of these directories are put at the top of the prefix header."
+ FULL_DOCS
+ "See target property COTIRE_PREFIX_HEADER_INCLUDE_PRIORITY_PATH."
+ )
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_UNITY_SOURCE_PRE_UNDEFS"
+ BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file before the inclusion of each source file."
+ FULL_DOCS
+ "See target property COTIRE_UNITY_SOURCE_PRE_UNDEFS."
+ )
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_UNITY_SOURCE_POST_UNDEFS"
+ BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file after the inclusion of each source file."
+ FULL_DOCS
+ "See target property COTIRE_UNITY_SOURCE_POST_UNDEFS."
+ )
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES"
+ BRIEF_DOCS "Maximum number of source files to include in a single unity source file."
+ FULL_DOCS
+ "See target property COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES."
+ )
+
+ define_property(
+ DIRECTORY PROPERTY "COTIRE_UNITY_LINK_LIBRARIES_INIT"
+ BRIEF_DOCS "Define strategy for setting up the unity target's link libraries."
+ FULL_DOCS
+ "See target property COTIRE_UNITY_LINK_LIBRARIES_INIT."
+ )
+
+ # define cotire target properties
+
+ define_property(
+ TARGET PROPERTY "COTIRE_ENABLE_PRECOMPILED_HEADER" INHERITED
+ BRIEF_DOCS "Modify this target's build command to make use of the generated precompiled header."
+ FULL_DOCS
+ "If this property is set to TRUE, cotire will modify the build command to make use of the generated precompiled header."
+ "Irrespective of the value of this property, cotire will setup custom commands to generate the unity source and prefix header for the target."
+ "For makefile based generators cotire will also set up a custom target to manually invoke the generation of the precompiled header."
+ "The target name will be set to this target's name with the suffix _pch appended."
+ "Inherited from directory."
+ "Defaults to TRUE."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_ADD_UNITY_BUILD" INHERITED
+ BRIEF_DOCS "Add a new target that performs a unity build for this target."
+ FULL_DOCS
+ "If this property is set to TRUE, cotire creates a new target of the same type that uses the generated unity source file instead of the target sources."
+ "Most of the relevant target properties will be copied from this target to the new unity build target."
+ "Target dependencies and linked libraries have to be manually set up for the new unity build target."
+ "The unity target name will be set to this target's name with the suffix _unity appended."
+ "Inherited from directory."
+ "Defaults to TRUE."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_ADD_CLEAN" INHERITED
+ BRIEF_DOCS "Add a new target that cleans all cotire generated files for this target."
+ FULL_DOCS
+ "If this property is set to TRUE, cotire creates a new target that clean all files (unity source, prefix header, precompiled header)."
+ "The clean target name will be set to this target's name with the suffix _clean_cotire appended."
+ "Inherited from directory."
+ "Defaults to FALSE."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_PREFIX_HEADER_IGNORE_PATH" INHERITED
+ BRIEF_DOCS "Ignore headers from these directories when generating the prefix header."
+ FULL_DOCS
+ "The property can be set to a list of directories."
+ "If a header file is found in one of these directories or sub-directories, it will be excluded from the generated prefix header."
+ "Inherited from directory."
+ "If not set, this property is initialized to \${CMAKE_SOURCE_DIR};\${CMAKE_BINARY_DIR}."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_PREFIX_HEADER_INCLUDE_PATH" INHERITED
+ BRIEF_DOCS "Honor headers from these directories when generating the prefix header."
+ FULL_DOCS
+ "The property can be set to a list of directories."
+ "If a header file is found in one of these directories or sub-directories, it will be included in the generated prefix header."
+ "If a header file is both selected by COTIRE_PREFIX_HEADER_IGNORE_PATH and COTIRE_PREFIX_HEADER_INCLUDE_PATH,"
+ "the option which yields the closer relative path match wins."
+ "Inherited from directory."
+ "If not set, this property is initialized to the empty list."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_PREFIX_HEADER_INCLUDE_PRIORITY_PATH" INHERITED
+ BRIEF_DOCS "Header paths matching one of these directories are put at the top of prefix header."
+ FULL_DOCS
+ "The property can be set to a list of directories."
+ "Header file paths matching one of these directories will be inserted at the beginning of the generated prefix header."
+ "Header files are sorted according to the order of the directories in the property."
+ "If not set, this property is initialized to the empty list."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_UNITY_SOURCE_PRE_UNDEFS" INHERITED
+ BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file before the inclusion of each target source file."
+ FULL_DOCS
+ "This may be set to a semicolon-separated list of preprocessor symbols."
+ "cotire will add corresponding #undef directives to the generated unit source file before each target source file."
+ "Inherited from directory."
+ "Defaults to empty string."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_UNITY_SOURCE_POST_UNDEFS" INHERITED
+ BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file after the inclusion of each target source file."
+ FULL_DOCS
+ "This may be set to a semicolon-separated list of preprocessor symbols."
+ "cotire will add corresponding #undef directives to the generated unit source file after each target source file."
+ "Inherited from directory."
+ "Defaults to empty string."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_UNITY_SOURCE_MAXIMUM_NUMBER_OF_INCLUDES" INHERITED
+ BRIEF_DOCS "Maximum number of source files to include in a single unity source file."
+ FULL_DOCS
+ "This may be set to an integer > 0."
+ "If a target contains more than that number of source files, cotire will create multiple unity build files for it."
+ "If not set, cotire will only create a single unity source file."
+ "Inherited from directory."
+ "Defaults to empty."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_<LANG>_UNITY_SOURCE_INIT"
+ BRIEF_DOCS "User provided unity source file to be used instead of the automatically generated one."
+ FULL_DOCS
+ "If set, cotire will only add the given file(s) to the generated unity source file."
+ "If not set, cotire will add all the target source files to the generated unity source file."
+ "The property can be set to a user provided unity source file."
+ "Defaults to empty."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_<LANG>_PREFIX_HEADER_INIT"
+ BRIEF_DOCS "User provided prefix header file to be used instead of the automatically generated one."
+ FULL_DOCS
+ "If set, cotire will add the given header file(s) to the generated prefix header file."
+ "If not set, cotire will generate a prefix header by tracking the header files included by the unity source file."
+ "The property can be set to a user provided prefix header file (e.g., stdafx.h)."
+ "Defaults to empty."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_UNITY_LINK_LIBRARIES_INIT" INHERITED
+ BRIEF_DOCS "Define strategy for setting up unity target's link libraries."
+ FULL_DOCS
+ "If this property is empty or set to NONE, the generated unity target's link libraries have to be set up manually."
+ "If this property is set to COPY, the unity target's link libraries will be copied from this target."
+ "If this property is set to COPY_UNITY, the unity target's link libraries will be copied from this target with considering existing unity targets."
+ "Inherited from directory."
+ "Defaults to empty."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_<LANG>_UNITY_SOURCE"
+ BRIEF_DOCS "Read-only property. The generated <LANG> unity source file(s)."
+ FULL_DOCS
+ "cotire sets this property to the path of the generated <LANG> single computation unit source file for the target."
+ "Defaults to empty string."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_<LANG>_PREFIX_HEADER"
+ BRIEF_DOCS "Read-only property. The generated <LANG> prefix header file."
+ FULL_DOCS
+ "cotire sets this property to the full path of the generated <LANG> language prefix header for the target."
+ "Defaults to empty string."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_<LANG>_PRECOMPILED_HEADER"
+ BRIEF_DOCS "Read-only property. The generated <LANG> precompiled header file."
+ FULL_DOCS
+ "cotire sets this property to the full path of the generated <LANG> language precompiled header binary for the target."
+ "Defaults to empty string."
+ )
+
+ define_property(
+ TARGET PROPERTY "COTIRE_UNITY_TARGET_NAME"
+ BRIEF_DOCS "The name of the generated unity build target corresponding to this target."
+ FULL_DOCS
+ "This property can be set to the desired name of the unity target that will be created by cotire."
+ "If not set, the unity target name will be set to this target's name with the suffix _unity appended."
+ "After this target has been processed by cotire, the property is set to the actual name of the generated unity target."
+ "Defaults to empty string."
+ )
+
+ # define cotire source properties
+
+ define_property(
+ SOURCE PROPERTY "COTIRE_EXCLUDED"
+ BRIEF_DOCS "Do not modify source file's build command."
+ FULL_DOCS
+ "If this property is set to TRUE, the source file's build command will not be modified to make use of the precompiled header."
+ "The source file will also be excluded from the generated unity source file."
+ "Source files that have their COMPILE_FLAGS property set will be excluded by default."
+ "Defaults to FALSE."
+ )
+
+ define_property(
+ SOURCE PROPERTY "COTIRE_DEPENDENCY"
+ BRIEF_DOCS "Add this source file to dependencies of the automatically generated prefix header file."
+ FULL_DOCS
+ "If this property is set to TRUE, the source file is added to dependencies of the generated prefix header file."
+ "If the file is modified, cotire will re-generate the prefix header source upon build."
+ "Defaults to FALSE."
+ )
+
+ define_property(
+ SOURCE PROPERTY "COTIRE_UNITY_SOURCE_PRE_UNDEFS"
+ BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file before the inclusion of this source file."
+ FULL_DOCS
+ "This may be set to a semicolon-separated list of preprocessor symbols."
+ "cotire will add corresponding #undef directives to the generated unit source file before this file is included."
+ "Defaults to empty string."
+ )
+
+ define_property(
+ SOURCE PROPERTY "COTIRE_UNITY_SOURCE_POST_UNDEFS"
+ BRIEF_DOCS "Preprocessor undefs to place in the generated unity source file after the inclusion of this source file."
+ FULL_DOCS
+ "This may be set to a semicolon-separated list of preprocessor symbols."
+ "cotire will add corresponding #undef directives to the generated unit source file after this file is included."
+ "Defaults to empty string."
+ )
+
+ define_property(
+ SOURCE PROPERTY "COTIRE_START_NEW_UNITY_SOURCE"
+ BRIEF_DOCS "Start a new unity source file which includes this source file as the first one."
+ FULL_DOCS
+ "If this property is set to TRUE, cotire will complete the current unity file and start a new one."
+ "The new unity source file will include this source file as the first one."
+ "This property essentially works as a separator for unity source files."
+ "Defaults to FALSE."
+ )
+
+ define_property(
+ SOURCE PROPERTY "COTIRE_TARGET"
+ BRIEF_DOCS "Read-only property. Mark this source file as cotired for the given target."
+ FULL_DOCS
+ "cotire sets this property to the name of target, that the source file's build command has been altered for."
+ "Defaults to empty string."
+ )
+
+ message (STATUS "cotire ${COTIRE_CMAKE_MODULE_VERSION} loaded.")
+
+endif()
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