cmake/FindRagelForTrojita.cmake

   1
   2 IF(NOT RAGEL_EXECUTABLE)
   3         MESSAGE(STATUS "Looking for ragel")
   4         FIND_PROGRAM(RAGEL_EXECUTABLE ragel)
   5         IF(RAGEL_EXECUTABLE)
   6                 EXECUTE_PROCESS(COMMAND "${RAGEL_EXECUTABLE}" -v OUTPUT_VARIABLE _version)
   7                 STRING(REGEX MATCH "[0-9.]+" RAGEL_VERSION ${_version})
   8         SET(RagelForTrojita_FOUND TRUE)
   9         ENDIF(RAGEL_EXECUTABLE)
  10 ELSE(NOT RAGEL_EXECUTABLE)
  11         EXECUTE_PROCESS(COMMAND "${RAGEL_EXECUTABLE}" -v OUTPUT_VARIABLE _version)
  12         STRING(REGEX MATCH "[0-9.]+" RAGEL_VERSION ${_version})
  13     SET(RagelForTrojita_FOUND TRUE)
  14 ENDIF(NOT RAGEL_EXECUTABLE)
  15
  16 IF(RagelForTrojita_FOUND)
  17     IF (NOT RagelForTrojita_FIND_QUIETLY)
  18                 MESSAGE(STATUS "Found ragel: ${RAGEL_EXECUTABLE} (${RAGEL_VERSION})")
  19     ENDIF (NOT RagelForTrojita_FIND_QUIETLY)
  20
  21         IF(NOT RAGEL_FLAGS)
  22                 SET(RAGEL_FLAGS "-T1")
  23         ENDIF(NOT RAGEL_FLAGS)
  24
  25         MACRO(RAGEL_PARSER SRCFILE)
  26                 GET_FILENAME_COMPONENT(SRCPATH "${SRCFILE}" PATH)
  27                 GET_FILENAME_COMPONENT(SRCBASE "${SRCFILE}" NAME_WE)
  28                 SET(OUTFILE "${CMAKE_CURRENT_BINARY_DIR}/${SRCBASE}.generated.cpp")
  29                 SET(INFILE "${SRCFILE}")
  30                 SET(_flags ${ARGV1})
  31                 IF(NOT _flags)
  32                         SET(_flags ${RAGEL_FLAGS})
  33                 ENDIF(NOT _flags)
  34                 ADD_CUSTOM_COMMAND(OUTPUT ${OUTFILE}
  35                         COMMAND "${RAGEL_EXECUTABLE}"
  36                         ARGS -C ${_flags} -o "${OUTFILE}" "${INFILE}"
  37                         DEPENDS "${INFILE}"
  38                         COMMENT "Generating ${SRCBASE}.generated.cpp from ${SRCFILE}"
  39                 )
  40         ENDMACRO(RAGEL_PARSER)
  41
  42 ELSE(RagelForTrojita_FOUND)
  43
  44         IF(Ragel_FIND_REQUIRED)
  45                 MESSAGE(FATAL_ERROR "Could not find ragel")
  46         ENDIF(Ragel_FIND_REQUIRED)
  47 ENDIF(RagelForTrojita_FOUND)