CMake/Modules/CMakeCXXCompiler.cmake.in
Tim Blechmann 95cdf13248 Treat .m files consistently as C across all generators
Objective C sources should be compiled with the C compiler, not C++.

The Xcode generator correctly classifies ".m" sources already.  The
cmSystemTools::GetFileFormat method was fixed by commit v2.8.0~1782 (fix
for 7045, use gcc for .m, 2008-08-19) but it is not used by any of the
generator since commit v2.4.0~2819 (major changes to support addition of
languages, 2004-09-22).

Fix the CMAKE_<LANG>_SOURCE_FILE_EXTENSIONS table entries so that
cmGlobalGenerator::GetLanguageFromExtension tells the Makefile, Ninja,
and VS IDE generators to compile ".m" sources as C.  This makes behavior
consistent on all generators.

Signed-off-by: Tim Blechmann <tim@klingt.org>
2014-03-20 09:40:41 -04:00

60 lines
2.1 KiB
CMake

set(CMAKE_CXX_COMPILER "@CMAKE_CXX_COMPILER@")
set(CMAKE_CXX_COMPILER_ARG1 "@CMAKE_CXX_COMPILER_ARG1@")
set(CMAKE_CXX_COMPILER_ID "@CMAKE_CXX_COMPILER_ID@")
set(CMAKE_CXX_COMPILER_VERSION "@CMAKE_CXX_COMPILER_VERSION@")
set(CMAKE_CXX_PLATFORM_ID "@CMAKE_CXX_PLATFORM_ID@")
set(CMAKE_CXX_SIMULATE_ID "@CMAKE_CXX_SIMULATE_ID@")
set(CMAKE_CXX_SIMULATE_VERSION "@CMAKE_CXX_SIMULATE_VERSION@")
@SET_MSVC_CXX_ARCHITECTURE_ID@
set(CMAKE_AR "@CMAKE_AR@")
set(CMAKE_RANLIB "@CMAKE_RANLIB@")
set(CMAKE_LINKER "@CMAKE_LINKER@")
set(CMAKE_COMPILER_IS_GNUCXX @CMAKE_COMPILER_IS_GNUCXX@)
set(CMAKE_CXX_COMPILER_LOADED 1)
set(CMAKE_CXX_COMPILER_WORKS @CMAKE_CXX_COMPILER_WORKS@)
set(CMAKE_CXX_ABI_COMPILED @CMAKE_CXX_ABI_COMPILED@)
set(CMAKE_COMPILER_IS_MINGW @CMAKE_COMPILER_IS_MINGW@)
set(CMAKE_COMPILER_IS_CYGWIN @CMAKE_COMPILER_IS_CYGWIN@)
if(CMAKE_COMPILER_IS_CYGWIN)
set(CYGWIN 1)
set(UNIX 1)
endif()
set(CMAKE_CXX_COMPILER_ENV_VAR "CXX")
if(CMAKE_COMPILER_IS_MINGW)
set(MINGW 1)
endif()
set(CMAKE_CXX_COMPILER_ID_RUN 1)
set(CMAKE_CXX_IGNORE_EXTENSIONS inl;h;hpp;HPP;H;o;O;obj;OBJ;def;DEF;rc;RC)
set(CMAKE_CXX_SOURCE_FILE_EXTENSIONS C;M;c++;cc;cpp;cxx;mm;CPP)
set(CMAKE_CXX_LINKER_PREFERENCE 30)
set(CMAKE_CXX_LINKER_PREFERENCE_PROPAGATES 1)
# Save compiler ABI information.
set(CMAKE_CXX_SIZEOF_DATA_PTR "@CMAKE_CXX_SIZEOF_DATA_PTR@")
set(CMAKE_CXX_COMPILER_ABI "@CMAKE_CXX_COMPILER_ABI@")
set(CMAKE_CXX_LIBRARY_ARCHITECTURE "@CMAKE_CXX_LIBRARY_ARCHITECTURE@")
if(CMAKE_CXX_SIZEOF_DATA_PTR)
set(CMAKE_SIZEOF_VOID_P "${CMAKE_CXX_SIZEOF_DATA_PTR}")
endif()
if(CMAKE_CXX_COMPILER_ABI)
set(CMAKE_INTERNAL_PLATFORM_ABI "${CMAKE_CXX_COMPILER_ABI}")
endif()
if(CMAKE_CXX_LIBRARY_ARCHITECTURE)
set(CMAKE_LIBRARY_ARCHITECTURE "@CMAKE_CXX_LIBRARY_ARCHITECTURE@")
endif()
@CMAKE_CXX_SYSROOT_FLAG_CODE@
@CMAKE_CXX_OSX_DEPLOYMENT_TARGET_FLAG_CODE@
set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "@CMAKE_CXX_IMPLICIT_LINK_LIBRARIES@")
set(CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "@CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES@")
set(CMAKE_CXX_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES "@CMAKE_CXX_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES@")
@SET_CMAKE_CMCLDEPS_EXECUTABLE@
@SET_CMAKE_CL_SHOWINCLUDES_PREFIX@