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# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# 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 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.
include_guard(GLOBAL)
if(MSVC AND MSVC_VERSION LESS "1915" AND NOT ".${CMAKE_CXX_COMPILER_ID}" STREQUAL ".Clang")
message(FATAL_ERROR "Visual Studio too old. Use Visual Studio 2017 or newer.")
endif()
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT OR NOT CMAKE_INSTALL_PREFIX)
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "" FORCE)
endif()
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "RELEASE" CACHE STRING "" FORCE)
endif()
string(TOUPPER "${CMAKE_BUILD_TYPE}" __build_type)
set(CMAKE_BUILD_TYPE "${__build_type}" CACHE STRING "" FORCE)
include_directories("${CMAKE_SOURCE_DIR}")
set(opentrack_maintainer-mode FALSE CACHE INTERNAL "Select if developing core code (not modules)")
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_DEFAULT 17)
set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
set(CMAKE_CXX_EXTENSIONS FALSE)
set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
set(CMAKE_SKIP_INSTALL_RPATH FALSE)
set(CMAKE_SKIP_RPATH FALSE)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOMOC OFF)
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
set(CMAKE_C_VISIBILITY_PRESET hidden)
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
if(NOT WIN32 AND NOT APPLE)
include(opentrack-pkg-config)
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(CMAKE_COMPILER_IS_GNUCXX TRUE)
set(CMAKE_COMPILER_IS_CLANGXX TRUE)
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
set(CMAKE_COMPILER_IS_GNUCC TRUE)
set(CMAKE_COMPILER_IS_CLANG TRUE)
endif()
if(APPLE AND NOT CMAKE_OSX_ARCHITECTURES)
set(CMAKE_OSX_ARCHITECTURES "x86_64")
set(opentrack-intel TRUE)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*|i[0-9]86.*|x86.*")
set(opentrack-intel TRUE)
elseif(MSVC AND CMAKE_SYSTEM_NAME STREQUAL "Windows" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "")
set(opentrack-intel TRUE)
else()
set(opentrack-intel FALSE)
endif()
if(CMAKE_SIZEOF_VOID_P GREATER_EQUAL 8)
set(opentrack-64bit TRUE)
else()
set(opentrack-64bit FALSE)
endif()
IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(LINUX TRUE)
endif()
if(CMAKE_COMPILER_IS_GNUCXX AND NOT APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-cxa-atexit")
# assume binutils
foreach (i SHARED MODULE EXE)
set(CMAKE_${i}_LINKER_FLAGS "${CMAKE_${i}_LINKER_FLAGS} -Wl,--exclude-libs,ALL")
endforeach()
if(UNIX)
foreach (i SHARED MODULE EXE)
set(CMAKE_${i}_LINKER_FLAGS "${CMAKE_${i}_LINKER_FLAGS} -Wl,-z,relro,-z,now")
endforeach()
endif()
endif()
if(WIN32)
add_definitions(-D_USE_MATH_DEFINES=1 -DSTRSAFE_NO_DEPRECATE)
endif()
if(MINGW)
add_definitions(-DMINGW_HAS_SECURE_API)
endif()
if(MSVC)
add_definitions(-DNOMINMAX)
add_definitions(-DWIN32_LEAN_AND_MEAN)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-D_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES=1)
add_definitions(-D_SCL_SECURE_NO_WARNINGS)
add_definitions(-D_ITERATOR_DEBUG_LEVEL=0)
add_definitions(-D_HAS_EXCEPTIONS=0)
add_definitions(-D_ENABLE_EXTENDED_ALIGNED_STORAGE)
add_definitions(-D_SILENCE_CXX17_NEGATORS_DEPRECATION_WARNING)
add_definitions(-D_SILENCE_CXX17_ADAPTOR_TYPEDEFS_DEPRECATION_WARNING)
set(__stuff "-permissive- -diagnostics:caret")
set(CMAKE_CXX_FLAGS "${__stuff} ${CMAKE_CXX_FLAGS}")
set(CMAKE_C_FLAGS "${__stuff} ${CMAKE_C_FLAGS}")
if(opentrack-64bit)
set(ent "-HIGHENTROPYVA")
else()
set(ent "")
endif()
foreach (i SHARED MODULE EXE)
# 4020 is compiler bug for opentrack-cv
set(CMAKE_${i}_LINKER_FLAGS "-DYNAMICBASE -NXCOMPAT -DEBUG -ignore:4020 ${ent} ${CMAKE_${i}_LINKER_FLAGS}")
endforeach()
endif()
if(APPLE)
set(CMAKE_MACOSX_RPATH OFF)
set(apple-frameworks "-framework Cocoa -framework CoreFoundation -lobjc -lz -framework Carbon")
foreach (k SHARED EXE MODULE)
set(CMAKE_${k}_LINKER_FLAGS "-stdlib=libc++ ${CMAKE_${k}_LINKER_FLAGS} ${apple-frameworks}")
endforeach()
set(CMAKE_CXX_FLAGS "-stdlib=libc++ ${CMAKE_CXX_FLAGS}")
endif()
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