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20f49730ae
In each CMake<lang>Information.cmake file we use an _INCLUDED_FILE variable to track whether a compiler information file has been loaded. Reset this variable for each language. This fixes Fortran under VS generators with the Intel plugin. Previously the variable would be left set true from C and C++ and then Fortran would not load old-style files like Platform/Windows-ifort.
204 lines
7.6 KiB
CMake
204 lines
7.6 KiB
CMake
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#=============================================================================
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# Copyright 2004-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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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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# It also loads a system - compiler - processor (or target hardware)
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# specific file, which is mainly useful for crosscompiling and embedded systems.
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# some compilers use different extensions (e.g. sdcc uses .rel)
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# so set the extension here first so it can be overridden by the compiler specific file
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IF(UNIX)
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SET(CMAKE_C_OUTPUT_EXTENSION .o)
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ELSE(UNIX)
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SET(CMAKE_C_OUTPUT_EXTENSION .obj)
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ENDIF(UNIX)
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SET(_INCLUDED_FILE 0)
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# Load compiler-specific information.
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IF(CMAKE_C_COMPILER_ID)
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INCLUDE(Compiler/${CMAKE_C_COMPILER_ID}-C OPTIONAL)
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ENDIF(CMAKE_C_COMPILER_ID)
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SET(CMAKE_BASE_NAME)
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GET_FILENAME_COMPONENT(CMAKE_BASE_NAME ${CMAKE_C_COMPILER} NAME_WE)
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IF(CMAKE_COMPILER_IS_GNUCC)
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SET(CMAKE_BASE_NAME gcc)
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ENDIF(CMAKE_COMPILER_IS_GNUCC)
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# load a hardware specific file, mostly useful for embedded compilers
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IF(CMAKE_SYSTEM_PROCESSOR)
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IF(CMAKE_C_COMPILER_ID)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-C-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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ENDIF(CMAKE_C_COMPILER_ID)
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IF (NOT _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
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ENDIF (NOT _INCLUDED_FILE)
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ENDIF(CMAKE_SYSTEM_PROCESSOR)
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# load the system- and compiler specific files
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IF(CMAKE_C_COMPILER_ID)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-C
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OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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ENDIF(CMAKE_C_COMPILER_ID)
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IF (NOT _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME}-${CMAKE_BASE_NAME}
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OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
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ENDIF (NOT _INCLUDED_FILE)
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# We specify the compiler information in the system file for some
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# platforms, but this language may not have been enabled when the file
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# was first included. Include it again to get the language info.
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# Remove this when all compiler info is removed from system files.
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IF (NOT _INCLUDED_FILE)
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INCLUDE(Platform/${CMAKE_SYSTEM_NAME} OPTIONAL)
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ENDIF (NOT _INCLUDED_FILE)
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# This should be included before the _INIT variables are
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# used to initialize the cache. Since the rule variables
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# have if blocks on them, users can still define them here.
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# But, it should still be after the platform file so changes can
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# be made to those values.
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IF(CMAKE_USER_MAKE_RULES_OVERRIDE)
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INCLUDE(${CMAKE_USER_MAKE_RULES_OVERRIDE})
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ENDIF(CMAKE_USER_MAKE_RULES_OVERRIDE)
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IF(CMAKE_USER_MAKE_RULES_OVERRIDE_C)
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INCLUDE(${CMAKE_USER_MAKE_RULES_OVERRIDE_C})
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ENDIF(CMAKE_USER_MAKE_RULES_OVERRIDE_C)
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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 ${CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS})
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ENDIF(NOT CMAKE_MODULE_EXISTS)
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SET(CMAKE_C_FLAGS_INIT "$ENV{CFLAGS} ${CMAKE_C_FLAGS_INIT}")
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# avoid just having a space as the initial value for the cache
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IF(CMAKE_C_FLAGS_INIT STREQUAL " ")
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SET(CMAKE_C_FLAGS_INIT)
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ENDIF(CMAKE_C_FLAGS_INIT STREQUAL " ")
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SET (CMAKE_C_FLAGS "${CMAKE_C_FLAGS_INIT}" CACHE STRING
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"Flags used by the compiler during all build types.")
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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 "${CMAKE_C_FLAGS_RELWITHDEBINFO_INIT}" CACHE STRING
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"Flags used by the compiler during Release with Debug Info builds.")
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ENDIF(NOT CMAKE_NOT_USING_CONFIG_FLAGS)
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IF(CMAKE_C_STANDARD_LIBRARIES_INIT)
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SET(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES_INIT}"
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CACHE STRING "Libraries linked by defalut with all C applications.")
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MARK_AS_ADVANCED(CMAKE_C_STANDARD_LIBRARIES)
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ENDIF(CMAKE_C_STANDARD_LIBRARIES_INIT)
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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_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> <LANGUAGE_COMPILE_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 static archive incrementally for large object file counts.
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# If CMAKE_C_CREATE_STATIC_LIBRARY is set it will override these.
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SET(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS>")
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SET(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> r <TARGET> <LINK_FLAGS> <OBJECTS>")
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SET(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> <TARGET>")
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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> <DEFINES> <FLAGS> -o <OBJECT> -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> <FLAGS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
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ENDIF(NOT CMAKE_C_LINK_EXECUTABLE)
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IF(NOT CMAKE_EXECUTABLE_RUNTIME_C_FLAG)
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SET(CMAKE_EXECUTABLE_RUNTIME_C_FLAG ${CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG})
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ENDIF(NOT CMAKE_EXECUTABLE_RUNTIME_C_FLAG)
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IF(NOT CMAKE_EXECUTABLE_RUNTIME_C_FLAG_SEP)
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SET(CMAKE_EXECUTABLE_RUNTIME_C_FLAG_SEP ${CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP})
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ENDIF(NOT CMAKE_EXECUTABLE_RUNTIME_C_FLAG_SEP)
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IF(NOT CMAKE_EXECUTABLE_RPATH_LINK_C_FLAG)
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SET(CMAKE_EXECUTABLE_RPATH_LINK_C_FLAG ${CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG})
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ENDIF(NOT CMAKE_EXECUTABLE_RPATH_LINK_C_FLAG)
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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_INFORMATION_LOADED 1)
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