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37 lines
1.2 KiB
CMake
37 lines
1.2 KiB
CMake
include(CheckSymbolExists)
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include(CheckIncludeFiles)
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# Check if each symbol in the symbol list exists,
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# and define PREFIX__HAVE_SYMNAME to 1 if yes.
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#
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# SYMLIST: list of symbols to check
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# HEADERS: header files to be included in check code
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# PREFIX: the prefix of definition
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macro(CHECK_SYMBOLS_EXIST SYMLIST HEADERS PREFIX)
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foreach(SYMNAME ${SYMLIST})
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string(TOUPPER "${SYMNAME}" SYMNAME_UPPER)
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if ("${PREFIX}" STREQUAL "")
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set(HAVE_SYM_DEF "HAVE_${SYMNAME_UPPER}")
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else()
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set(HAVE_SYM_DEF "${PREFIX}__HAVE_${SYMNAME_UPPER}")
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endif()
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CHECK_SYMBOL_EXISTS(${SYMNAME} "${HEADERS}" ${HAVE_SYM_DEF})
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endforeach()
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endmacro()
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# Check if file exists, define PREFIX__HAVE_FILE to 1 if yes,
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# and collect file to EVENT_INCLUDES
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macro(CHECK_INCLUDE_FILE_CONCAT FILE PREFIX)
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string(REGEX REPLACE "[./]" "_" FILE_UL ${FILE})
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string(TOUPPER "${FILE_UL}" FILE_UL_UPPER)
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if ("${PREFIX}" STREQUAL "")
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set(HAVE_FILE_DEF "HAVE_${FILE_UL_UPPER}")
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else()
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set(HAVE_FILE_DEF "${PREFIX}__HAVE_${FILE_UL_UPPER}")
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endif()
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CHECK_INCLUDE_FILES("${EVENT_INCLUDES};${FILE}" ${HAVE_FILE_DEF})
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if(${HAVE_FILE_DEF})
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set(EVENT_INCLUDES ${EVENT_INCLUDES} ${FILE})
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endif()
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endmacro()
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