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