89 lines
4.0 KiB
CMake
89 lines
4.0 KiB
CMake
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# This file is included by cmGlobalGenerator::EnableLanguage.
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# It is included after the compiler has been determined, so
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# we know things like the compiler name and if the compiler is gnu.
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# before cmake 2.6 these variables were set in cmMakefile.cxx. This is still
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# done to keep scripts and custom language and compiler modules working.
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# But they are reset here and set again in the platform files for the target
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# platform, so they can be used for testing the target platform instead
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# of testing the host platform.
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SET(APPLE )
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SET(UNIX )
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SET(CYGWIN )
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SET(WIN32 )
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# include Generic system information
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INCLUDE(CMakeGenericSystem)
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# 2. now include SystemName.cmake file to set the system specific information
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SET(CMAKE_SYSTEM_INFO_FILE Platform/${CMAKE_SYSTEM_NAME})
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INCLUDE(${CMAKE_SYSTEM_INFO_FILE} OPTIONAL RESULT_VARIABLE _INCLUDED_SYSTEM_INFO_FILE)
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IF(NOT _INCLUDED_SYSTEM_INFO_FILE)
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MESSAGE("System is unknown to cmake, create:\n${CMAKE_SYSTEM_INFO_FILE}"
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" to use this system, please send your config file to "
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"cmake@www.cmake.org so it can be added to cmake")
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IF(EXISTS ${CMAKE_BINARY_DIR}/CMakeCache.txt)
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CONFIGURE_FILE(${CMAKE_BINARY_DIR}/CMakeCache.txt
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${CMAKE_BINARY_DIR}/CopyOfCMakeCache.txt COPYONLY)
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MESSAGE("Your CMakeCache.txt file was copied to CopyOfCMakeCache.txt. "
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"Please send that file to cmake@www.cmake.org.")
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ENDIF(EXISTS ${CMAKE_BINARY_DIR}/CMakeCache.txt)
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ENDIF(NOT _INCLUDED_SYSTEM_INFO_FILE)
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# The Eclipse generator needs to know the standard include path
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# so that Eclipse ca find the headers at runtime and parsing etc. works better
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# This is done here by actually running gcc with the options so it prints its
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# system include directories, which are parsed then and stored in the cache.
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IF("${CMAKE_EXTRA_GENERATOR}" MATCHES "Eclipse")
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MACRO(_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS _lang _result)
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SET(${_result})
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SET(_gccOutput)
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FILE(WRITE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy" "\n" )
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EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} -v -E -x ${_lang} dummy
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/CMakeFiles
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ERROR_VARIABLE _gccOutput
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OUTPUT_QUIET )
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FILE(REMOVE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy")
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IF( "${_gccOutput}" MATCHES "> search starts here[^\n]+\n *(.+) *\n *End of (search) list" )
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SET(${_result} ${CMAKE_MATCH_1})
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STRING(REPLACE "\n" " " ${_result} "${${_result}}")
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SEPARATE_ARGUMENTS(${_result})
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ENDIF( "${_gccOutput}" MATCHES "> search starts here[^\n]+\n *(.+) *\n *End of (search) list" )
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ENDMACRO(_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS _lang)
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# Now check for C
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IF ("${CMAKE_C_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS)
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_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS(c _dirs)
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SET(CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS "${_dirs}" CACHE INTERNAL "C compiler system include directories")
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ENDIF ("${CMAKE_C_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS)
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# And now the same for C++
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IF ("${CMAKE_CXX_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS)
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_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS(c++ _dirs)
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SET(CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS "${_dirs}" CACHE INTERNAL "CXX compiler system include directories")
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ENDIF ("${CMAKE_CXX_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS)
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ENDIF("${CMAKE_EXTRA_GENERATOR}" MATCHES "Eclipse")
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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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# this has to be done after the system information has been loaded
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IF(NOT CMAKE_MODULE_EXISTS)
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SET(CMAKE_SHARED_MODULE_PREFIX "${CMAKE_SHARED_LIBRARY_PREFIX}")
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SET(CMAKE_SHARED_MODULE_SUFFIX "${CMAKE_SHARED_LIBRARY_SUFFIX}")
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SET(CMAKE_SHARED_MODULE_RUNTIME_C_FLAG ${CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG})
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SET(CMAKE_SHARED_MODULE_RUNTIME_C_FLAG_SEP ${CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP})
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ENDIF(NOT CMAKE_MODULE_EXISTS)
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SET(CMAKE_SYSTEM_SPECIFIC_INFORMATION_LOADED 1)
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