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47 lines
1.9 KiB
47 lines
1.9 KiB
MACRO(TRY_COMPILE_FROM_SOURCE SOURCE VAR)
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IF("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN")
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SET(MACRO_CHECK_FUNCTION_DEFINITIONS
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"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
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IF(CMAKE_REQUIRED_LIBRARIES)
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SET(TRY_COMPILE_FROM_SOURCE_ADD_LIBRARIES
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"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
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ENDIF(CMAKE_REQUIRED_LIBRARIES)
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SET(src "")
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FOREACH(def ${EXTRA_DEFINES})
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SET(src "${src}#define ${def} 1\n")
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ENDFOREACH(def)
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FOREACH(inc ${HEADER_INCLUDES})
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SET(src "${src}#include <${inc}>\n")
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ENDFOREACH(inc)
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SET(src "${src}\nint main() { ${SOURCE} ; return 0; }")
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FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src2.c"
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"${src}\n")
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EXEC_PROGRAM("${CMAKE_COMMAND}"
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"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp"
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ARGS -E copy src2.c src.c)
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MESSAGE(STATUS "Performing Test ${VAR}")
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TRY_COMPILE(${VAR}
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${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c
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CMAKE_FLAGS
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"${TRY_COMPILE_FROM_SOURCE_ADD_LIBRARIES}"
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OUTPUT_VARIABLE OUTPUT)
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IF(${VAR})
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SET(${VAR} 1 CACHE INTERNAL "Test ${FUNCTION}")
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MESSAGE(STATUS "Performing Test ${VAR} - Success")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Performing C SOURCE FILE Test ${VAR} succeded with the following output:\n"
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"${OUTPUT}\n"
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"Source file was:\n${src}\n")
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ELSE(${VAR})
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MESSAGE(STATUS "Performing Test ${VAR} - Failed")
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SET(${VAR} "" CACHE INTERNAL "Test ${FUNCTION}")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Performing C SOURCE FILE Test ${VAR} failed with the following output:\n"
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"${OUTPUT}\n"
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"Source file was:\n${src}\n")
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ENDIF(${VAR})
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ENDIF("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN")
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ENDMACRO(TRY_COMPILE_FROM_SOURCE)
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