69 lines
2.6 KiB
CMake
69 lines
2.6 KiB
CMake
# - Check if the source file provided in the FILE argument compiles and runs.
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# CHECK_CXX_FILE_RUNS(FILE VAR TEST)
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# FILE - source file to try to compile
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# VAR - variable set to 0 on success
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# TEST - name of the test for a human being
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#
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# The following variables may be set before calling this macro to
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# modify the way the check is run:
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#
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# CMAKE_REQUIRED_FLAGS = string of compile command line flags
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# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
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# CMAKE_REQUIRED_INCLUDES = list of include directories
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# CMAKE_REQUIRED_LIBRARIES = list of libraries to link
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#
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# Adapted to CGAL from IST's CheckCXXSourceRuns.cmake and
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# KDE4's CheckCSourceRuns.cmake
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MACRO(CHECK_CXX_FILE_RUNS FILE VAR TEST)
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# Set compiler settings
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SET(MACRO_CHECK_FUNCTION_DEFINITIONS "${CMAKE_REQUIRED_FLAGS}")
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if(CMAKE_REQUIRED_LIBRARIES)
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SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
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else()
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SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES)
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endif()
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if(CMAKE_REQUIRED_INCLUDES)
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SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
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else()
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SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES)
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endif()
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# Try to compile and run the test
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#MESSAGE(STATUS "Performing Test ${TEST}")
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TRY_RUN(${VAR} ${VAR}_COMPILED
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"${CMAKE_BINARY_DIR}"
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"${FILE}"
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COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
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CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
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"${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}"
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"${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}"
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OUTPUT_VARIABLE OUTPUT)
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# if it did not compile make the return value fail code of 1
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if(NOT ${VAR}_COMPILED)
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SET(${VAR} 1 CACHE INTERNAL "Test ${TEST}" FORCE )
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endif()
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# if the return value was 0 then it worked
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SET(result_var ${${VAR}})
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if("${result_var}" EQUAL 0)
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SET(${VAR} 1 CACHE INTERNAL "Test ${TEST}" FORCE )
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MESSAGE(STATUS "Performing Test ${TEST} - Success")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Performing C++ SOURCE FILE Test ${TEST} succeded with the following output:\n"
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"${OUTPUT}\n"
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"Source file was:\n${SOURCE}\n")
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else()
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MESSAGE(STATUS "Performing Test ${TEST} - Failed")
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SET(${VAR} "" CACHE INTERNAL "Test ${TEST}" FORCE )
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Performing C++ SOURCE FILE Test ${TEST} failed with the following output:\n"
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"${OUTPUT}\n"
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"Return value: ${result_var}\n"
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"Source file was:\n${SOURCE}\n")
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endif()
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ENDMACRO(CHECK_CXX_FILE_RUNS)
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