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90 lines
4.5 KiB
CMake
90 lines
4.5 KiB
CMake
# - Check if the STDCALL function exists.
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# This works for non-cdecl functions (kernel32 functions, for example)
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# CHECK_STDCALL_FUNCTION_EXISTS(FUNCTION FUNCTION_DUMMY_ARGS VARIABLE)
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# - macro which checks if the stdcall function exists
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# FUNCTION_DECLARATION - the definition of the function ( e.g.: Sleep(500) )
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# VARIABLE - variable to store the result
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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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# CMAKE_EXTRA_INCLUDE_FILES = list of extra includes to check in
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MACRO(CHECK_STDCALL_FUNCTION_EXISTS FUNCTION_DECLARATION VARIABLE)
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IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
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#get includes
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SET(CHECK_STDCALL_FUNCTION_PREMAIN)
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FOREACH(def ${CMAKE_EXTRA_INCLUDE_FILES})
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SET(CHECK_STDCALL_FUNCTION_PREMAIN "${CHECK_STDCALL_FUNCTION_PREMAIN}#include \"${def}\"\n")
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ENDFOREACH(def)
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#add some default includes
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IF ( HAVE_WINDOWS_H )
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SET(CHECK_STDCALL_FUNCTION_PREMAIN "${CHECK_STDCALL_FUNCTION_PREMAIN}#include \"windows.h\"\n")
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ENDIF ( HAVE_WINDOWS_H )
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IF ( HAVE_UNISTD_H )
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SET(CHECK_STDCALL_FUNCTION_PREMAIN "${CHECK_STDCALL_FUNCTION_PREMAIN}#include \"unistd.h\"\n")
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ENDIF ( HAVE_UNISTD_H )
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IF ( HAVE_DIRECT_H )
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SET(CHECK_STDCALL_FUNCTION_PREMAIN "${CHECK_STDCALL_FUNCTION_PREMAIN}#include \"direct.h\"\n")
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ENDIF ( HAVE_DIRECT_H )
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IF ( HAVE_IO_H )
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SET(CHECK_STDCALL_FUNCTION_PREMAIN "${CHECK_STDCALL_FUNCTION_PREMAIN}#include \"io.h\"\n")
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ENDIF ( HAVE_IO_H )
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IF ( HAVE_SYS_TIMEB_H )
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SET(CHECK_STDCALL_FUNCTION_PREMAIN "${CHECK_STDCALL_FUNCTION_PREMAIN}#include \"sys/timeb.h\"\n")
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ENDIF ( HAVE_SYS_TIMEB_H )
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STRING(REGEX REPLACE "(\\(.*\\))" "" CHECK_STDCALL_FUNCTION_EXISTS_FUNCTION ${FUNCTION_DECLARATION} )
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SET(MACRO_CHECK_STDCALL_FUNCTION_DEFINITIONS "${CMAKE_REQUIRED_FLAGS}")
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MESSAGE(STATUS "Looking for ${CHECK_STDCALL_FUNCTION_EXISTS_FUNCTION}")
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IF(CMAKE_REQUIRED_LIBRARIES)
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SET(CHECK_STDCALL_FUNCTION_EXISTS_ADD_LIBRARIES
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"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
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ELSE(CMAKE_REQUIRED_LIBRARIES)
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SET(CHECK_STDCALL_FUNCTION_EXISTS_ADD_LIBRARIES)
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ENDIF(CMAKE_REQUIRED_LIBRARIES)
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IF(CMAKE_REQUIRED_INCLUDES)
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SET(CHECK_STDCALL_FUNCTION_EXISTS_ADD_INCLUDES
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"-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
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ELSE(CMAKE_REQUIRED_INCLUDES)
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SET(CHECK_STDCALL_FUNCTION_EXISTS_ADD_INCLUDES)
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ENDIF(CMAKE_REQUIRED_INCLUDES)
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SET(CHECK_STDCALL_FUNCTION_DECLARATION ${FUNCTION_DECLARATION})
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CONFIGURE_FILE("${clucene-shared_SOURCE_DIR}/cmake/CheckStdCallFunctionExists.cpp.in"
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"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckStdCallFunctionExists.cpp" IMMEDIATE @ONLY)
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FILE(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckStdCallFunctionExists.cpp"
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CHECK_STDCALL_FUNCTION_CONTENT)
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TRY_COMPILE(${VARIABLE}
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${CMAKE_BINARY_DIR}
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"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckStdCallFunctionExists.cpp"
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COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
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CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_STDCALL_FUNCTION_DEFINITIONS}
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"${CHECK_STDCALL_FUNCTION_EXISTS_ADD_LIBRARIES}"
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"${CHECK_STDCALL_FUNCTION_EXISTS_ADD_INCLUDES}"
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OUTPUT_VARIABLE OUTPUT)
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IF(${VARIABLE})
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SET(${VARIABLE} 1 CACHE INTERNAL "Have function ${FUNCTION_DECLARATION}")
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MESSAGE(STATUS "Looking for ${FUNCTION_DECLARATION} - found")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if the stdcall function ${FUNCTION_DECLARATION} exists passed with the following output:\n"
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"${OUTPUT}\nCheckStdCallFunctionExists.cpp:\n${CHECK_STDCALL_FUNCTION_CONTENT}\n\n")
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ELSE(${VARIABLE})
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MESSAGE(STATUS "Looking for ${FUNCTION_DECLARATION} - not found")
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SET(${VARIABLE} "" CACHE INTERNAL "Have function ${FUNCTION_DECLARATION}")
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FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if the stdcall function ${FUNCTION_DECLARATION} exists failed with the following output:\n"
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"${OUTPUT}\nCheckStdCallFunctionExists.cpp:\n${CHECK_STDCALL_FUNCTION_CONTENT}\n\n")
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ENDIF(${VARIABLE})
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ENDIF("${VARIABLE}" MATCHES "^${VARIABLE}$")
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ENDMACRO(CHECK_STDCALL_FUNCTION_EXISTS)
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