index 18c0a3234ffa1daa95eea4d58d69fc217ff6ed5c..63d501a5798696bf7b4b97a8a76e58bcf42b85b4 100644 (file)
@@ -15,13 +15,22 @@ MACRO(GLIB_MARSHAL GLIB_MARSHAL_PREFIX GLIB_MARSHAL_FILE GLIB_MARSHAL_OUTPUT_LOC
IF(GLIB_MARSHAL_EXECUTABLE)
SET(GLIB_MARSHAL_OUTPUT_EXTRA_LINE "#include \"${GLIB_MARSHAL_FILE}.h\" \n" )
- EXECUTE_PROCESS(COMMAND "${GLIB_MARSHAL_EXECUTABLE} --prefix=${GLIB_MARSHAL_PREFIX} --header ${CMAKE_CURRENT_SOURCE_DIR}/${GLIB_MARSHAL_FILE}.list"
- RESULT_VARIABLE GLIB_MARSHAL_OUTPUT_HEADER )
- EXECUTE_PROCESS(COMMAND "${GLIB_MARSHAL_EXECUTABLE} --prefix=${GLIB_MARSHAL_PREFIX} --body ${CMAKE_CURRENT_SOURCE_DIR}/${GLIB_MARSHAL_FILE}.list"
- RESULT_VARIABLE GLIB_MARSHAL_OUTPUT_CPP )
+ MESSAGE(STATUS "Generating header and sourcefiles from ${GLIB_MARSHAL_FILE}.list (Glib-Marshal)")
+ EXECUTE_PROCESS(COMMAND ${GLIB_MARSHAL_EXECUTABLE} --prefix=${GLIB_MARSHAL_PREFIX} --header ${CMAKE_CURRENT_SOURCE_DIR}/${GLIB_MARSHAL_FILE}.list
+ OUTPUT_VARIABLE GLIB_MARSHAL_OUTPUT_HEADER )
+ EXECUTE_PROCESS(COMMAND ${GLIB_MARSHAL_EXECUTABLE} --prefix=${GLIB_MARSHAL_PREFIX} --body ${CMAKE_CURRENT_SOURCE_DIR}/${GLIB_MARSHAL_FILE}.list
+ OUTPUT_VARIABLE GLIB_MARSHAL_OUTPUT_CPP )
+
+ # check whether the generated file is the same as the existing one
+ FILE(READ ${CMAKE_CURRENT_BINARY_DIR}/${GLIB_MARSHAL_FILE}.h GLIB_MARSHAL_HEADER_OLD)
+ IF(NOT GLIB_MARSHAL_HEADER_OLD STREQUAL GLIB_MARSHAL_OUTPUT_HEADER)
+ MESSAGE(STATUS "${GLIB_MARSHAL_FILE}.h changed; overwriting")
+ FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${GLIB_MARSHAL_FILE}.h "${GLIB_MARSHAL_OUTPUT_HEADER}")
+ FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${GLIB_MARSHAL_FILE}.cpp "${GLIB_MARSHAL_OUTPUT_EXTRA_LINE}")
+ FILE(APPEND ${CMAKE_CURRENT_BINARY_DIR}/${GLIB_MARSHAL_FILE}.cpp "${GLIB_MARSHAL_OUTPUT_CPP}")
+ ELSE()
+ MESSAGE(STATUS "${GLIB_MARSHAL_FILE}.h unchanged")
+ ENDIF()
+ ENDIF()
+ENDMACRO()
- FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${GLIB_MARSHAL_FILE}.h "${GLIB_MARSHAL_OUTPUT_HEADER}")
- FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${GLIB_MARSHAL_FILE}.cpp "${GLIB_MARSHAL_OUTPUT_EXTRA_LINE}")
- FILE(APPEND ${CMAKE_CURRENT_BINARY_DIR}/${GLIB_MARSHAL_FILE}.cpp "${GLIB_MARSHAL_OUTPUT_CPP}")
- ENDIF(GLIB_MARSHAL_EXECUTABLE)
-ENDMACRO(GLIB_MARSHAL)