+# dbusmenu_version.h is installed since 0.4.0, fail if a version below this is required:
+if ((DBusMenuQt_FIND_VERSION) AND ("${DBusMenuQt_FIND_VERSION}" VERSION_LESS "0.4.0"))
+ message(FATAL_ERROR "Cannot check reliably for a DBusMenuQt version below 0.4.0 (${DBusMenuQt_FIND_VERSION} was requested)")
+endif ((DBusMenuQt_FIND_VERSION) AND ("${DBusMenuQt_FIND_VERSION}" VERSION_LESS "0.4.0"))
+
+
+# find the version number from dbusmenu_version.h and store it in the cache
+if(DBUSMENUQT_INCLUDE_DIR AND NOT DBUSMENUQT_VERSION)
+ # parse the version number out from dbusmenu_version:
+ if(EXISTS ${DBUSMENUQT_INCLUDE_DIR}/dbusmenu_version.h)
+ file(READ "${DBUSMENUQT_INCLUDE_DIR}/dbusmenu_version.h" DBUSMENUQT_VERSION_CONTENT)
+
+ if ("${DBUSMENUQT_VERSION_CONTENT}" MATCHES "DBUSMENUQT_VERSION_MAJOR") # introduced after 0.6.4, makes this code here more robust
+
+ string(REGEX MATCH "#define +DBUSMENUQT_VERSION_MAJOR +([0-9]+)" _dummy "${DBUSMENUQT_VERSION_CONTENT}")
+ set(DBUSMENUQT_VERSION_MAJOR "${CMAKE_MATCH_1}")
+
+ string(REGEX MATCH "#define +DBUSMENUQT_VERSION_MINOR +([0-9]+)" _dummy "${DBUSMENUQT_VERSION_CONTENT}")
+ set(DBUSMENUQT_VERSION_MINOR "${CMAKE_MATCH_1}")
+
+ string(REGEX MATCH "#define +DBUSMENUQT_VERSION_PATCH +([0-9]+)" _dummy "${DBUSMENUQT_VERSION_CONTENT}")
+ set(DBUSMENUQT_VERSION_PATCH "${CMAKE_MATCH_1}")
+
+ else("${DBUSMENUQT_VERSION_CONTENT}" MATCHES "DBUSMENUQT_VERSION_MAJOR")
+ # In versions up to 0.6.4, the code for setting the version number in the header looked like
+ # shopw below. This made version checking quite un-obvious:
+ # #define DBUSMENUQT_VERSION \
+ # ((0 << 16) \
+ # |(6 << 8) \
+ # |4)
+
+ string(REGEX MATCH "\\(\\( *([0-9]+) *<<" _dummy "${DBUSMENUQT_VERSION_CONTENT}")
+ set(DBUSMENUQT_VERSION_MAJOR "${CMAKE_MATCH_1}")
+
+ string(REGEX MATCH "\\|\\( *([0-9]+) *<<" _dummy "${DBUSMENUQT_VERSION_CONTENT}")
+ set(DBUSMENUQT_VERSION_MINOR "${CMAKE_MATCH_1}")
+
+ string(REGEX MATCH "\\| *([0-9]+) *\\)" _dummy "${DBUSMENUQT_VERSION_CONTENT}")
+ set(DBUSMENUQT_VERSION_PATCH "${CMAKE_MATCH_1}")
+ endif("${DBUSMENUQT_VERSION_CONTENT}" MATCHES "DBUSMENUQT_VERSION_MAJOR")
+ endif(EXISTS ${DBUSMENUQT_INCLUDE_DIR}/dbusmenu_version.h)
+
+ set(DBUSMENUQT_VERSION "${DBUSMENUQT_VERSION_MAJOR}.${DBUSMENUQT_VERSION_MINOR}.${DBUSMENUQT_VERSION_PATCH}" CACHE STRING "Version number of DBusMenuQt" FORCE)
+endif(DBUSMENUQT_INCLUDE_DIR AND NOT DBUSMENUQT_VERSION)
+
+
+find_package_handle_standard_args(DBusMenuQt REQUIRED_VARS DBUSMENUQT_LIBRARIES DBUSMENUQT_INCLUDE_DIR
+ VERSION_VAR DBUSMENUQT_VERSION)
+#"Could not find dbusmenu-qt; available at https://launchpad.net/libdbusmenu-qt/" DBUSMENUQT_LIBRARIES DBUSMENUQT_INCLUDE_DIR)
+
+mark_as_advanced(DBUSMENUQT_INCLUDE_DIR DBUSMENUQT_LIBRARIES DBUSMENUQT_VERSION)