116 lines
4.1 KiB
CMake
116 lines
4.1 KiB
CMake
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# This file sets the basic flags for the C language in CMake.
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# It also loads the available platform file for the system-compiler
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# if it exists.
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GET_FILENAME_COMPONENT(CMAKE_BASE_NAME ${CMAKE_C_COMPILER} NAME_WE)
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IF(CMAKE_COMPILER_IS_GNUCC)
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SET(CMAKE_BASE_NAME gcc)
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ENDIF(CMAKE_COMPILER_IS_GNUCC)
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SET(CMAKE_SYSTEM_AND_C_COMPILER_INFO_FILE
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${CMAKE_ROOT}/Modules/Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}.cmake)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME} OPTIONAL)
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# for most systems a module is the same as a shared library
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# so unless the variable CMAKE_MODULE_EXISTS is set just
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# copy the values from the LIBRARY variables
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IF(NOT CMAKE_MODULE_EXISTS)
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SET(CMAKE_SHARED_MODULE_C_FLAGS ${CMAKE_SHARED_LIBRARY_C_FLAGS})
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SET(CMAKE_SHARED_MODULE_CREATE_C_FLAGS ${CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS})
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ENDIF(NOT CMAKE_MODULE_EXISTS)
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SET (CMAKE_C_FLAGS "${CMAKE_C_FLAGS_ENV_INIT} $ENV{CFLAGS} ${CMAKE_C_FLAGS_INIT}" CACHE STRING
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"Flags for C compiler.")
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SET (CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS_INIT} $ENV{LDFLAGS}
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CACHE STRING "Flags used by the linker.")
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IF(NOT CMAKE_NOT_USING_CONFIG_FLAGS)
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# default build type is none
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IF(NOT CMAKE_NO_BUILD_TYPE)
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SET (CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE_INIT} CACHE STRING
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"Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
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ENDIF(NOT CMAKE_NO_BUILD_TYPE)
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SET (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG_INIT}" CACHE STRING
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"Flags used by the compiler during debug builds.")
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SET (CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL_INIT}" CACHE STRING
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"Flags used by the compiler during release minsize builds.")
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SET (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE_INIT}" CACHE STRING
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"Flags used by the compiler during release builds (/MD /Ob1 /Oi /Ot /Oy /Gs will produce slightly less optimized but smaller files).")
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SET (CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO_INIT}" CACHE STRING
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"Flags used by the compiler during Release with Debug Info builds.")
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ENDIF(NOT CMAKE_NOT_USING_CONFIG_FLAGS)
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INCLUDE(CMakeCommonLanguageInclude)
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# now define the following rule variables
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# CMAKE_C_CREATE_SHARED_LIBRARY
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# CMAKE_C_CREATE_SHARED_MODULE
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# CMAKE_C_CREATE_STATIC_LIBRARY
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# CMAKE_C_COMPILE_OBJECT
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# CMAKE_C_LINK_EXECUTABLE
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# variables supplied by the generator at use time
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# <TARGET>
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# <TARGET_BASE> the target without the suffix
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# <OBJECTS>
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# <OBJECT>
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# <LINK_LIBRARIES>
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# <FLAGS>
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# <LINK_FLAGS>
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# C compiler information
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# <CMAKE_C_COMPILER>
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# <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS>
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# <CMAKE_SHARED_MODULE_CREATE_C_FLAGS>
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# <CMAKE_C_LINK_FLAGS>
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# Static library tools
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# <CMAKE_AR>
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# <CMAKE_RANLIB>
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# create a C shared library
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IF(NOT CMAKE_C_CREATE_SHARED_LIBRARY)
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SET(CMAKE_C_CREATE_SHARED_LIBRARY
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"<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <CMAKE_SHARED_LIBRARY_SONAME_C_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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ENDIF(NOT CMAKE_C_CREATE_SHARED_LIBRARY)
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# create a C shared module just copy the shared library rule
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IF(NOT CMAKE_C_CREATE_SHARED_MODULE)
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SET(CMAKE_C_CREATE_SHARED_MODULE ${CMAKE_C_CREATE_SHARED_LIBRARY})
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ENDIF(NOT CMAKE_C_CREATE_SHARED_MODULE)
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# create a C static library
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IF(NOT CMAKE_C_CREATE_STATIC_LIBRARY)
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SET(CMAKE_C_CREATE_STATIC_LIBRARY
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"<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS> "
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"<CMAKE_RANLIB> <TARGET> ")
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ENDIF(NOT CMAKE_C_CREATE_STATIC_LIBRARY)
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# compile a C file into an object file
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IF(NOT CMAKE_C_COMPILE_OBJECT)
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SET(CMAKE_C_COMPILE_OBJECT
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"<CMAKE_C_COMPILER> -o <OBJECT> <FLAGS> -c <SOURCE>")
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ENDIF(NOT CMAKE_C_COMPILE_OBJECT)
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IF(NOT CMAKE_C_LINK_EXECUTABLE)
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SET(CMAKE_C_LINK_EXECUTABLE
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"<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
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ENDIF(NOT CMAKE_C_LINK_EXECUTABLE)
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IF(CMAKE_USER_MAKE_RULES_OVERRIDE)
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INCLUDE(${CMAKE_USER_MAKE_RULES_OVERRIDE})
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ENDIF(CMAKE_USER_MAKE_RULES_OVERRIDE)
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MARK_AS_ADVANCED(
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CMAKE_C_FLAGS
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CMAKE_C_FLAGS_DEBUG
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CMAKE_C_FLAGS_MINSIZEREL
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CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_RELWITHDEBINFO
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)
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SET(CMAKE_C_INFOMATION_LOADED 1)
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