43 lines
1.3 KiB
CMake
43 lines
1.3 KiB
CMake
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IF(NOT RAGEL_EXECUTABLE)
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MESSAGE(STATUS "Looking for ragel")
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FIND_PROGRAM(RAGEL_EXECUTABLE ragel)
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IF(RAGEL_EXECUTABLE)
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EXECUTE_PROCESS(COMMAND "${RAGEL_EXECUTABLE}" -v OUTPUT_VARIABLE _version)
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STRING(REGEX MATCH "[0-9.]+" RAGEL_VERSION ${_version})
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SET(RAGEL_FOUND TRUE)
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ENDIF(RAGEL_EXECUTABLE)
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ELSE(NOT RAGEL_EXECUTABLE)
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EXECUTE_PROCESS(COMMAND "${RAGEL_EXECUTABLE}" -v OUTPUT_VARIABLE _version)
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STRING(REGEX MATCH "[0-9.]+" RAGEL_VERSION ${_version})
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SET(RAGEL_FOUND TRUE)
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ENDIF(NOT RAGEL_EXECUTABLE)
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IF(RAGEL_FOUND)
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IF (NOT Ragel_FIND_QUIETLY)
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MESSAGE(STATUS "Found ragel: ${RAGEL_EXECUTABLE} (${RAGEL_VERSION})")
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ENDIF (NOT Ragel_FIND_QUIETLY)
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IF(NOT RAGEL_FLAGS)
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SET(RAGEL_FLAGS "-T1")
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ENDIF(NOT RAGEL_FLAGS)
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MACRO(RAGEL_PARSER SRCFILE)
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GET_FILENAME_COMPONENT(SRCBASE "${SRCFILE}" NAME_WE)
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SET(OUTFILE "${CMAKE_CURRENT_BINARY_DIR}/${SRCBASE}.c")
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SET(INFILE "${CMAKE_CURRENT_SOURCE_DIR}/${SRCFILE}")
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ADD_CUSTOM_COMMAND(OUTPUT ${OUTFILE}
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COMMAND "${RAGEL_EXECUTABLE}"
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ARGS -C ${RAGEL_FLAGS} -o "${OUTFILE}" "${INFILE}"
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DEPENDS "${INFILE}"
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COMMENT "Generating ${SRCBASE}.c from ${SRCFILE}"
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)
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ENDMACRO(RAGEL_PARSER)
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ELSE(RAGEL_FOUND)
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IF(Ragel_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "Could not find ragel")
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ENDIF(Ragel_FIND_REQUIRED)
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ENDIF(RAGEL_FOUND)
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