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# this file only serves as toolchain file when specified so explicitly
# when building the software. from repository's root directory:
# mkdir build && cmake -DCMAKE_TOOLCHAIN_FILE=$(pwd)/../cmake/msvc.cmake build/
SET(CMAKE_SYSTEM_NAME Windows)
SET(CMAKE_SYSTEM_VERSION 1)
# search for programs in the host directories
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# don't poison with system compile-time data
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
# oldest CPU supported here is Northwood-based Pentium 4. -sh 20150811
set(cc "/O2it /Ob2 /arch:SSE2 /fp:fast /GS- /GF /GL /Gw /GR- /Gy")
set(warns_ "")
set(warns-disable 4530 4577 4789)
foreach(i ${warns-disable})
set(warns_ "${warns_} /wd${i}")
endforeach()
if(CMAKE_PROJECT_NAME STREQUAL "opentrack")
#C4263 - member function does not override any base class virtual member function
#C4264 - no override available for virtual member function from base class, function is hidden
#C4265 - class has virtual functions, but destructor is not virtual
#C4266 - no override available for virtual member function from base type, function is hidden
#C4928 - illegal copy-initialization, more than one user-defined conversion has been implicitly applied
set(warns 4263 4264 4266 4928)
set(warns-noerr 4265)
foreach(i ${warns})
set(warns_ "${warns_} /w1${i} /we${i}")
endforeach()
foreach(i ${warns-noerr})
set(warns_ "${warns_} /w1${i}")
endforeach()
endif()
set(silly "${warns_} /MT /Zi /Gm")
set(_CFLAGS "${silly}")
set(_CXXFLAGS "${silly}")
set(_CFLAGS_RELEASE "${cc}")
set(_CFLAGS_DEBUG "/GS /sdl /Gs /guard:cf /RTCsu -D_ITERATOR_DEBUG_LEVEL=0 -D_HAS_ITERATOR_DEBUGGING=0 -D_SECURE_SCL=0")
set(_CXXFLAGS_RELEASE "${cc}")
set(_CXXFLAGS_DEBUG "${_CFLAGS_DEBUG}")
set(ldflags-shared-release "/OPT:REF /OPT:ICF=10")
set(ldflags-shared "/DEBUG")
foreach (i MODULE EXE SHARED)
set(_LDFLAGS_${i} "${ldflags-shared}")
set(_LDFLAGS_${i}_RELEASE "${ldflags-shared-release}")
endforeach()
set(_LDFLAGS "")
set(_LDFLAGS_RELEASE "/LTCG:INCREMENTAL")
set(_LDFLAGS_DEBUG "")
foreach(j C CXX)
foreach(i "" _DEBUG _RELEASE)
set(OVERRIDE_${j}_FLAGS${i} "" CACHE STRING "")
set(CMAKE_${j}_FLAGS${i} "${_${j}FLAGS${i}} ${OVERRIDE_${j}_FLAGS${i}}" CACHE STRING "" FORCE)
endforeach()
set(CMAKE_${j}_FLAGS "${_${j}FLAGS} ${_${j}_WARNS} ${OVERRIDE_${j}_FLAGS}" CACHE STRING "" FORCE)
endforeach()
foreach(j "" _DEBUG _RELEASE)
foreach(i MODULE EXE SHARED STATIC)
set(OVERRIDE_LDFLAGS${j} "" CACHE STRING "")
set(CMAKE_${i}_LINKER_FLAGS${j} "${_LDFLAGS${j}} ${_LDFLAGS_${i}} ${_LDFLAGS_${i}${j}} ${OVERRIDE_LDFLAGS${j}}" CACHE STRING "" FORCE)
endforeach()
endforeach()
foreach(j "" _DEBUG _RELEASE)
foreach(i MODULE EXE SHARED)
set(OVERRIDE_LDFLAGS_SHARED${j} "" CACHE STRING "")
set(CMAKE_${i}_LINKER_FLAGS${j} "${_LDFLAGS${j}} ${_LDFLAGS_${i}} ${_LDFLAGS_${i}${j}} ${OVERRIDE_LDFLAGS_SHARED${j}}" CACHE STRING "" FORCE)
endforeach()
endforeach()
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "" FORCE)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" CACHE STRING "" FORCE)
set(CMAKE_BUILD_TYPE_INIT RELEASE)
# for nmake/jom build directories
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "RELEASE" CACHE STRING "" FORCE)
endif()
if((CMAKE_GENERATOR STREQUAL "NMake Makefiles") OR (CMAKE_GENERATOR STREQUAL "NMake Makefiles JOM"))
if("$ENV{LIBPATH}" STREQUAL "")
message("Error, no environment. Run:")
message("--\n")
message("cmd /k call \"%vs140comntools%\"\\..\\..\\vc\\bin\\vcvars32.bat & cd /d \"${CMAKE_BINARY_DIR}\"")
message("\n--")
message(FATAL_ERROR "cannot continue.")
endif()
if(CMAKE_PROJECT_NAME STREQUAL "opentrack")
set(warn-flag-found FALSE)
foreach (i CMAKE_CXX_FLAGS CMAKE_C_FLAGS)
string(REGEX MATCH "((^| )/[W][0-9]( |\$))" ret "${${i}}")
if(ret STREQUAL "")
set(${i} "-W3 ${${i}}" CACHE STRING "" FORCE)
endif()
endforeach()
endif()
set(CMAKE_RC_FLAGS "${CMAKE_RC_FLAGS} -nologo")
endif()
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