blob: 7a83859eca000eb1ecdf445caaa41f10ff8b4ca3 [file] [log] [blame]
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# This module is shared by multiple languages; use include blocker.
if(__WINDOWS_MSVC)
return()
endif()
set(__WINDOWS_MSVC 1)
set(CMAKE_LIBRARY_PATH_FLAG "-LIBPATH:")
set(CMAKE_LINK_LIBRARY_FLAG "")
set(MSVC 1)
# hack: if a new cmake (which uses CMAKE_LINKER) runs on an old build tree
# (where link was hardcoded) and where CMAKE_LINKER isn't in the cache
# and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun)
# hardcode CMAKE_LINKER here to link, so it behaves as it did before, Alex
if(NOT DEFINED CMAKE_LINKER)
set(CMAKE_LINKER link)
endif()
if(CMAKE_VERBOSE_MAKEFILE)
set(CMAKE_CL_NOLOGO)
else()
set(CMAKE_CL_NOLOGO "/nologo")
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "WindowsCE")
set(CMAKE_CREATE_WIN32_EXE "/entry:WinMainCRTStartup")
set(CMAKE_CREATE_CONSOLE_EXE "/entry:mainACRTStartup")
set(_PLATFORM_LINK_FLAGS " /subsystem:windowsce")
else()
set(CMAKE_CREATE_WIN32_EXE "/subsystem:windows")
set(CMAKE_CREATE_CONSOLE_EXE "/subsystem:console")
set(_PLATFORM_LINK_FLAGS "")
endif()
set(CMAKE_SUPPORT_WINDOWS_EXPORT_ALL_SYMBOLS 1)
if(NOT CMAKE_NO_BUILD_TYPE AND CMAKE_GENERATOR MATCHES "Visual Studio")
set (CMAKE_NO_BUILD_TYPE 1)
endif()
if("${CMAKE_GENERATOR}" MATCHES "Visual Studio")
set(MSVC_IDE 1)
else()
set(MSVC_IDE 0)
endif()
if(NOT MSVC_VERSION)
if("x${CMAKE_C_COMPILER_ID}" STREQUAL "xMSVC")
set(_compiler_version ${CMAKE_C_COMPILER_VERSION})
elseif("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
set(_compiler_version ${CMAKE_CXX_COMPILER_VERSION})
elseif(CMAKE_C_SIMULATE_VERSION)
set(_compiler_version ${CMAKE_C_SIMULATE_VERSION})
elseif(CMAKE_CXX_SIMULATE_VERSION)
set(_compiler_version ${CMAKE_CXX_SIMULATE_VERSION})
elseif(CMAKE_Fortran_SIMULATE_VERSION)
set(_compiler_version ${CMAKE_Fortran_SIMULATE_VERSION})
elseif(CMAKE_CUDA_SIMULATE_VERSION)
set(_compiler_version ${CMAKE_CUDA_SIMULATE_VERSION})
elseif(CMAKE_C_COMPILER_VERSION)
set(_compiler_version ${CMAKE_C_COMPILER_VERSION})
else()
set(_compiler_version ${CMAKE_CXX_COMPILER_VERSION})
endif()
if("${_compiler_version}" MATCHES "^([0-9]+)\\.([0-9]+)")
math(EXPR MSVC_VERSION "${CMAKE_MATCH_1}*100 + ${CMAKE_MATCH_2}")
else()
message(FATAL_ERROR "MSVC compiler version not detected properly: ${_compiler_version}")
endif()
if(MSVC_VERSION GREATER_EQUAL 1920)
# VS 2019 or greater
set(MSVC_TOOLSET_VERSION 142)
elseif(MSVC_VERSION GREATER_EQUAL 1910)
# VS 2017 or greater
set(MSVC_TOOLSET_VERSION 141)
elseif(MSVC_VERSION EQUAL 1900)
# VS 2015
set(MSVC_TOOLSET_VERSION 140)
elseif(MSVC_VERSION EQUAL 1800)
# VS 2013
set(MSVC_TOOLSET_VERSION 120)
elseif(MSVC_VERSION EQUAL 1700)
# VS 2012
set(MSVC_TOOLSET_VERSION 110)
elseif(MSVC_VERSION EQUAL 1600)
# VS 2010
set(MSVC_TOOLSET_VERSION 100)
elseif(MSVC_VERSION EQUAL 1500)
# VS 2008
set(MSVC_TOOLSET_VERSION 90)
elseif(MSVC_VERSION EQUAL 1400)
# VS 2005
set(MSVC_TOOLSET_VERSION 80)
else()
# We don't support MSVC_TOOLSET_VERSION for earlier compiler.
endif()
set(MSVC10)
set(MSVC11)
set(MSVC12)
set(MSVC14)
set(MSVC60)
set(MSVC70)
set(MSVC71)
set(MSVC80)
set(MSVC90)
set(CMAKE_COMPILER_2005)
set(CMAKE_COMPILER_SUPPORTS_PDBTYPE)
if(NOT "${_compiler_version}" VERSION_LESS 20)
# We no longer provide per-version variables. Use MSVC_VERSION instead.
elseif(NOT "${_compiler_version}" VERSION_LESS 19)
set(MSVC14 1)
elseif(NOT "${_compiler_version}" VERSION_LESS 18)
set(MSVC12 1)
elseif(NOT "${_compiler_version}" VERSION_LESS 17)
set(MSVC11 1)
elseif(NOT "${_compiler_version}" VERSION_LESS 16)
set(MSVC10 1)
elseif(NOT "${_compiler_version}" VERSION_LESS 15)
set(MSVC90 1)
elseif(NOT "${_compiler_version}" VERSION_LESS 14)
set(MSVC80 1)
set(CMAKE_COMPILER_2005 1)
elseif(NOT "${_compiler_version}" VERSION_LESS 13.10)
set(MSVC71 1)
elseif(NOT "${_compiler_version}" VERSION_LESS 13)
set(MSVC70 1)
else()
set(MSVC60 1)
set(CMAKE_COMPILER_SUPPORTS_PDBTYPE 1)
endif()
endif()
if(MSVC_C_ARCHITECTURE_ID MATCHES 64 OR MSVC_CXX_ARCHITECTURE_ID MATCHES 64)
set(CMAKE_CL_64 1)
else()
set(CMAKE_CL_64 0)
endif()
if(CMAKE_FORCE_WIN64 OR CMAKE_FORCE_IA64)
set(CMAKE_CL_64 1)
endif()
if("${MSVC_VERSION}" GREATER 1599)
set(MSVC_INCREMENTAL_DEFAULT ON)
endif()
# default to Debug builds
set(CMAKE_BUILD_TYPE_INIT Debug)
# Compute an architecture family from the architecture id.
foreach(lang C CXX)
set(_MSVC_${lang}_ARCHITECTURE_FAMILY "${MSVC_${lang}_ARCHITECTURE_ID}")
if(_MSVC_${lang}_ARCHITECTURE_FAMILY MATCHES "^ARM64")
set(_MSVC_${lang}_ARCHITECTURE_FAMILY "ARM64")
elseif(_MSVC_${lang}_ARCHITECTURE_FAMILY MATCHES "^ARM")
set(_MSVC_${lang}_ARCHITECTURE_FAMILY "ARM")
elseif(_MSVC_${lang}_ARCHITECTURE_FAMILY MATCHES "^SH")
set(_MSVC_${lang}_ARCHITECTURE_FAMILY "SHx")
endif()
endforeach()
if(WINCE)
foreach(lang C CXX)
string(TOUPPER "${_MSVC_${lang}_ARCHITECTURE_FAMILY}" _MSVC_${lang}_ARCHITECTURE_FAMILY_UPPER)
endforeach()
if("${CMAKE_SYSTEM_VERSION}" MATCHES "^([0-9]+)\\.([0-9]+)")
math(EXPR _CE_VERSION "${CMAKE_MATCH_1}*100 + ${CMAKE_MATCH_2}")
elseif("${CMAKE_SYSTEM_VERSION}" STREQUAL "")
set(_CE_VERSION "500")
else()
message(FATAL_ERROR "Invalid Windows CE version: ${CMAKE_SYSTEM_VERSION}")
endif()
set(_PLATFORM_DEFINES "/D_WIN32_WCE=0x${_CE_VERSION} /DUNDER_CE /DWINCE")
set(_PLATFORM_DEFINES_C " /D${_MSVC_C_ARCHITECTURE_FAMILY} /D_${_MSVC_C_ARCHITECTURE_FAMILY_UPPER}_")
set(_PLATFORM_DEFINES_CXX " /D${_MSVC_CXX_ARCHITECTURE_FAMILY} /D_${_MSVC_CXX_ARCHITECTURE_FAMILY_UPPER}_")
set(_RTC1 "")
set(_FLAGS_C "")
set(_FLAGS_CXX " /GR /EHsc")
foreach(lang C CXX)
if(_MSVC_${lang}_ARCHITECTURE_FAMILY STREQUAL "ARM")
string(APPEND _PLATFORM_DEFINES_${lang} " /D${MSVC_${lang}_ARCHITECTURE_ID}")
if(MSVC_${lang}_ARCHITECTURE_ID MATCHES "^ARMV([45])I$")
string(APPEND _FLAGS_${lang} " /QRarch${CMAKE_MATCH_1}T")
endif()
endif()
endforeach()
set(CMAKE_C_STANDARD_LIBRARIES_INIT "coredll.lib ole32.lib oleaut32.lib uuid.lib commctrl.lib")
foreach(t EXE SHARED MODULE)
string(APPEND CMAKE_${t}_LINKER_FLAGS_INIT " /NODEFAULTLIB:libc.lib /NODEFAULTLIB:oldnames.lib")
endforeach()
if (MSVC_VERSION LESS 1600)
string(APPEND CMAKE_C_STANDARD_LIBRARIES_INIT " corelibc.lib")
endif ()
elseif(WINDOWS_PHONE OR WINDOWS_STORE)
set(_PLATFORM_DEFINES "/DWIN32")
set(_FLAGS_C " /DUNICODE /D_UNICODE")
set(_FLAGS_CXX " /DUNICODE /D_UNICODE /GR /EHsc")
if(WINDOWS_STORE AND MSVC_VERSION GREATER 1899)
set(CMAKE_C_STANDARD_LIBRARIES_INIT "WindowsApp.lib")
elseif(WINDOWS_PHONE)
set(CMAKE_C_STANDARD_LIBRARIES_INIT "WindowsPhoneCore.lib RuntimeObject.lib PhoneAppModelHost.lib")
elseif(_MSVC_C_ARCHITECTURE_FAMILY STREQUAL "ARM" OR _MSVC_CXX_ARCHITECTURE_FAMILY STREQUAL "ARM" OR _MSVC_C_ARCHITECTURE_FAMILY STREQUAL "ARM64" OR _MSVC_CXX_ARCHITECTURE_FAMILY STREQUAL "ARM64")
set(CMAKE_C_STANDARD_LIBRARIES_INIT "kernel32.lib user32.lib")
else()
set(CMAKE_C_STANDARD_LIBRARIES_INIT "kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib")
endif()
else()
set(_PLATFORM_DEFINES "/DWIN32")
if(_MSVC_C_ARCHITECTURE_FAMILY STREQUAL "ARM" OR _MSVC_CXX_ARCHITECTURE_FAMILY STREQUAL "ARM" OR _MSVC_C_ARCHITECTURE_FAMILY STREQUAL "ARM64" OR _MSVC_CXX_ARCHITECTURE_FAMILY STREQUAL "ARM64")
set(CMAKE_C_STANDARD_LIBRARIES_INIT "kernel32.lib user32.lib")
elseif(MSVC_VERSION GREATER 1310)
if(CMAKE_VS_PLATFORM_TOOLSET MATCHES "v[0-9]+_clang_.*")
# Clang/C2 in MSVC14 Update 1 seems to not support -fsantinize (yet?)
# set(_RTC1 "-fsantinize=memory,safe-stack")
set(_FLAGS_CXX " -frtti -fexceptions")
else()
set(_RTC1 "/RTC1")
set(_FLAGS_CXX " /GR /EHsc")
endif()
set(CMAKE_C_STANDARD_LIBRARIES_INIT "kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib")
else()
set(_RTC1 "/GZ")
set(_FLAGS_CXX " /GR /GX")
set(CMAKE_C_STANDARD_LIBRARIES_INIT "kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib")
endif()
if(MSVC_VERSION LESS 1310)
set(_FLAGS_C " /Zm1000${_FLAGS_C}")
set(_FLAGS_CXX " /Zm1000${_FLAGS_CXX}")
endif()
endif()
set(CMAKE_CXX_STANDARD_LIBRARIES_INIT "${CMAKE_C_STANDARD_LIBRARIES_INIT}")
# executable linker flags
set (CMAKE_LINK_DEF_FILE_FLAG "/DEF:")
# set the machine type
if(MSVC_C_ARCHITECTURE_ID)
if(MSVC_C_ARCHITECTURE_ID MATCHES "^ARMV.I")
set(_MACHINE_ARCH_FLAG "/machine:THUMB")
elseif(_MSVC_C_ARCHITECTURE_FAMILY STREQUAL "ARM64")
set(_MACHINE_ARCH_FLAG "/machine:ARM64")
elseif(_MSVC_C_ARCHITECTURE_FAMILY STREQUAL "ARM")
set(_MACHINE_ARCH_FLAG "/machine:ARM")
else()
set(_MACHINE_ARCH_FLAG "/machine:${MSVC_C_ARCHITECTURE_ID}")
endif()
elseif(MSVC_CXX_ARCHITECTURE_ID)
if(MSVC_CXX_ARCHITECTURE_ID MATCHES "^ARMV.I")
set(_MACHINE_ARCH_FLAG "/machine:THUMB")
elseif(_MSVC_CXX_ARCHITECTURE_FAMILY STREQUAL "ARM64")
set(_MACHINE_ARCH_FLAG "/machine:ARM64")
elseif(_MSVC_CXX_ARCHITECTURE_FAMILY STREQUAL "ARM")
set(_MACHINE_ARCH_FLAG "/machine:ARM")
else()
set(_MACHINE_ARCH_FLAG "/machine:${MSVC_CXX_ARCHITECTURE_ID}")
endif()
elseif(MSVC_Fortran_ARCHITECTURE_ID)
set(_MACHINE_ARCH_FLAG "/machine:${MSVC_Fortran_ARCHITECTURE_ID}")
endif()
# add /debug and /INCREMENTAL:YES to DEBUG and RELWITHDEBINFO also add pdbtype
# on versions that support it
set( MSVC_INCREMENTAL_YES_FLAG "")
if(NOT WINDOWS_PHONE AND NOT WINDOWS_STORE)
if(NOT MSVC_INCREMENTAL_DEFAULT)
set( MSVC_INCREMENTAL_YES_FLAG "/INCREMENTAL:YES")
else()
set( MSVC_INCREMENTAL_YES_FLAG "/INCREMENTAL" )
endif()
endif()
foreach(t EXE SHARED MODULE)
string(APPEND CMAKE_${t}_LINKER_FLAGS_INIT " ${_MACHINE_ARCH_FLAG}")
if (CMAKE_COMPILER_SUPPORTS_PDBTYPE)
string(APPEND CMAKE_${t}_LINKER_FLAGS_DEBUG_INIT " /debug /pdbtype:sept ${MSVC_INCREMENTAL_YES_FLAG}")
string(APPEND CMAKE_${t}_LINKER_FLAGS_RELWITHDEBINFO_INIT " /debug /pdbtype:sept ${MSVC_INCREMENTAL_YES_FLAG}")
else ()
string(APPEND CMAKE_${t}_LINKER_FLAGS_DEBUG_INIT " /debug ${MSVC_INCREMENTAL_YES_FLAG}")
string(APPEND CMAKE_${t}_LINKER_FLAGS_RELWITHDEBINFO_INIT " /debug ${MSVC_INCREMENTAL_YES_FLAG}")
endif ()
# for release and minsize release default to no incremental linking
string(APPEND CMAKE_${t}_LINKER_FLAGS_MINSIZEREL_INIT " /INCREMENTAL:NO")
string(APPEND CMAKE_${t}_LINKER_FLAGS_RELEASE_INIT " /INCREMENTAL:NO")
endforeach()
string(APPEND CMAKE_STATIC_LINKER_FLAGS_INIT " ${_MACHINE_ARCH_FLAG}")
unset(_MACHINE_ARCH_FLAG)
cmake_policy(GET CMP0091 __WINDOWS_MSVC_CMP0091)
if(__WINDOWS_MSVC_CMP0091 STREQUAL "NEW")
set(CMAKE_MSVC_RUNTIME_LIBRARY_DEFAULT "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
else()
set(CMAKE_MSVC_RUNTIME_LIBRARY_DEFAULT "")
endif()
unset(__WINDOWS_MSVC_CMP0091)
macro(__windows_compiler_msvc lang)
if(NOT MSVC_VERSION LESS 1400)
# for 2005 make sure the manifest is put in the dll with mt
set(_CMAKE_VS_LINK_DLL "<CMAKE_COMMAND> -E vs_link_dll --intdir=<OBJECT_DIR> --rc=<CMAKE_RC_COMPILER> --mt=<CMAKE_MT> --manifests <MANIFESTS> -- ")
set(_CMAKE_VS_LINK_EXE "<CMAKE_COMMAND> -E vs_link_exe --intdir=<OBJECT_DIR> --rc=<CMAKE_RC_COMPILER> --mt=<CMAKE_MT> --manifests <MANIFESTS> -- ")
endif()
set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
"${_CMAKE_VS_LINK_DLL}<CMAKE_LINKER> ${CMAKE_CL_NOLOGO} <OBJECTS> ${CMAKE_START_TEMP_FILE} /out:<TARGET> /implib:<TARGET_IMPLIB> /pdb:<TARGET_PDB> /dll /version:<TARGET_VERSION_MAJOR>.<TARGET_VERSION_MINOR>${_PLATFORM_LINK_FLAGS} <LINK_FLAGS> <LINK_LIBRARIES> ${CMAKE_END_TEMP_FILE}")
set(CMAKE_${lang}_CREATE_SHARED_MODULE ${CMAKE_${lang}_CREATE_SHARED_LIBRARY})
set(CMAKE_${lang}_CREATE_STATIC_LIBRARY "<CMAKE_LINKER> /lib ${CMAKE_CL_NOLOGO} <LINK_FLAGS> /out:<TARGET> <OBJECTS> ")
set(CMAKE_${lang}_COMPILE_OBJECT
"<CMAKE_${lang}_COMPILER> ${CMAKE_START_TEMP_FILE} ${CMAKE_CL_NOLOGO}${_COMPILE_${lang}} <DEFINES> <INCLUDES> <FLAGS> /Fo<OBJECT> /Fd<TARGET_COMPILE_PDB>${_FS_${lang}} -c <SOURCE>${CMAKE_END_TEMP_FILE}")
set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE
"<CMAKE_${lang}_COMPILER> > <PREPROCESSED_SOURCE> ${CMAKE_START_TEMP_FILE} ${CMAKE_CL_NOLOGO}${_COMPILE_${lang}} <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE>${CMAKE_END_TEMP_FILE}")
set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE
"<CMAKE_${lang}_COMPILER> ${CMAKE_START_TEMP_FILE} ${CMAKE_CL_NOLOGO}${_COMPILE_${lang}} <DEFINES> <INCLUDES> <FLAGS> /FoNUL /FAs /Fa<ASSEMBLY_SOURCE> /c <SOURCE>${CMAKE_END_TEMP_FILE}")
set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_OBJECTS 1)
set(CMAKE_${lang}_LINK_EXECUTABLE
"${_CMAKE_VS_LINK_EXE}<CMAKE_LINKER> ${CMAKE_CL_NOLOGO} <OBJECTS> ${CMAKE_START_TEMP_FILE} /out:<TARGET> /implib:<TARGET_IMPLIB> /pdb:<TARGET_PDB> /version:<TARGET_VERSION_MAJOR>.<TARGET_VERSION_MINOR>${_PLATFORM_LINK_FLAGS} <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <LINK_LIBRARIES>${CMAKE_END_TEMP_FILE}")
if("x${CMAKE_${lang}_COMPILER_ID}" STREQUAL "xMSVC")
set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "/GL")
set(CMAKE_${lang}_LINK_OPTIONS_IPO "/INCREMENTAL:NO" "/LTCG")
string(REPLACE "<LINK_FLAGS> " "/LTCG <LINK_FLAGS> "
CMAKE_${lang}_CREATE_STATIC_LIBRARY_IPO "${CMAKE_${lang}_CREATE_STATIC_LIBRARY}")
elseif("x${CMAKE_${lang}_COMPILER_ID}" STREQUAL "xClang" OR
"x${CMAKE_${lang}_COMPILER_ID}" STREQUAL "xFlang")
set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
# '-flto=thin' available since Clang 3.9 and Xcode 8
# * http://clang.llvm.org/docs/ThinLTO.html#clang-llvm
# * https://trac.macports.org/wiki/XcodeVersionInfo
set(_CMAKE_LTO_THIN TRUE)
if(CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.9)
set(_CMAKE_LTO_THIN FALSE)
endif()
if(_CMAKE_LTO_THIN)
set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto=thin")
else()
set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto")
endif()
endif()
if("x${lang}" STREQUAL "xC" OR
"x${lang}" STREQUAL "xCXX")
if(CMAKE_MSVC_RUNTIME_LIBRARY_DEFAULT)
set(_MDd "")
set(_MD "")
else()
set(_MDd " /MDd")
set(_MD " /MD")
endif()
cmake_policy(GET CMP0092 _cmp0092)
if(_cmp0092 STREQUAL "NEW")
set(_W3 "")
set(_Wall "")
else()
set(_W3 " /W3")
set(_Wall " -Wall")
endif()
unset(_cmp0092)
if(CMAKE_VS_PLATFORM_TOOLSET MATCHES "v[0-9]+_clang_.*")
# note: MSVC 14 2015 Update 1 sets -fno-ms-compatibility by default, but this does not allow one to compile many projects
# that include MS's own headers. CMake itself is affected project too.
string(APPEND CMAKE_${lang}_FLAGS_INIT " ${_PLATFORM_DEFINES}${_PLATFORM_DEFINES_${lang}} -fms-extensions -fms-compatibility -D_WINDOWS${_Wall}${_FLAGS_${lang}}")
string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT "${_MDd} -gline-tables-only -fno-inline -O0 ${_RTC1}")
string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT "${_MD} -O2 -DNDEBUG")
string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT "${_MD} -gline-tables-only -O2 -fno-inline -DNDEBUG")
string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT "${_MD} -DNDEBUG") # TODO: Add '-Os' once VS generator maps it properly for Clang
else()
string(APPEND CMAKE_${lang}_FLAGS_INIT " ${_PLATFORM_DEFINES}${_PLATFORM_DEFINES_${lang}} /D_WINDOWS${_W3}${_FLAGS_${lang}}")
string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT "${_MDd} /Zi /Ob0 /Od ${_RTC1}")
string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT "${_MD} /O2 /Ob2 /DNDEBUG")
string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT "${_MD} /Zi /O2 /Ob1 /DNDEBUG")
string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT "${_MD} /O1 /Ob1 /DNDEBUG")
endif()
unset(_Wall)
unset(_W3)
unset(_MDd)
unset(_MD)
set(CMAKE_${lang}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreaded -MT)
set(CMAKE_${lang}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDLL -MD)
set(CMAKE_${lang}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDebug -MTd)
set(CMAKE_${lang}_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDebugDLL -MDd)
endif()
set(CMAKE_${lang}_LINKER_SUPPORTS_PDB ON)
set(CMAKE_NINJA_DEPTYPE_${lang} msvc)
__windows_compiler_msvc_enable_rc("${_PLATFORM_DEFINES} ${_PLATFORM_DEFINES_${lang}}")
endmacro()
macro(__windows_compiler_msvc_enable_rc flags)
if(NOT CMAKE_RC_COMPILER_INIT)
set(CMAKE_RC_COMPILER_INIT rc)
endif()
if(NOT CMAKE_RC_FLAGS_INIT)
# llvm-rc fails when flags are specified with /D and no space after
string(REPLACE " /D" " -D" fixed_flags " ${flags}")
string(APPEND CMAKE_RC_FLAGS_INIT " ${fixed_flags}")
endif()
if(NOT CMAKE_RC_FLAGS_DEBUG_INIT)
string(APPEND CMAKE_RC_FLAGS_DEBUG_INIT " -D_DEBUG")
endif()
enable_language(RC)
if(NOT DEFINED CMAKE_NINJA_CMCLDEPS_RC)
set(CMAKE_NINJA_CMCLDEPS_RC 1)
endif()
endmacro()