diff options
-rw-r--r-- | modules/FindDBusMenuQt.cmake | 67 |
1 files changed, 49 insertions, 18 deletions
diff --git a/modules/FindDBusMenuQt.cmake b/modules/FindDBusMenuQt.cmake index 337a4aff..33b9e113 100644 --- a/modules/FindDBusMenuQt.cmake +++ b/modules/FindDBusMenuQt.cmake @@ -1,10 +1,17 @@ # - Try to find dbusmenu-qt +# This module helps finding an installation of the DBusMenuQt library (see https://launchpad.net/libdbusmenu-qt/) # Once done this will define # # DBUSMENUQT_FOUND - system has dbusmenu-qt # DBUSMENUQT_INCLUDE_DIR - the dbusmenu-qt include directory # DBUSMENUQT_LIBRARIES - the libraries needed to use dbusmenu-qt # DBUSMENUQT_DEFINITIONS - Compiler switches required for using dbusmenu-qt +# +# The minimum required version of DBusMenuQt can be specified using the +# standard syntax, e.g. find_package(DBusMenuQt 0.6) +# +# WARNING: versions below 0.4.0 cannot be checked for. +# So if you want to have a version check, require at least 0.4.0 of dbusmenuqt. # Copyright (c) 2009, Canonical Ltd. # - Author: Aurélien Gâteau <aurelien.gateau@canonical.com> @@ -18,26 +25,50 @@ include(FindPackageHandleStandardArgs) find_package(PkgConfig) -if (DBusMenuQt_FIND_VERSION) - pkg_check_modules(PC_DBUSMENUQT QUIET dbusmenu-qt dbusmenu-qt>=${DBusMenuQt_FIND_VERSION}) -else(DBusMenuQt_FIND_VERSION) - pkg_check_modules(PC_DBUSMENUQT QUIET dbusmenu-qt) -endif(DBusMenuQt_FIND_VERSION) +pkg_check_modules(PC_DBUSMENUQT QUIET dbusmenu-qt) + + +set(DBUSMENUQT_DEFINITIONS ${PC_DBUSMENUQT_CFLAGS_OTHER}) + +find_library(DBUSMENUQT_LIBRARIES + NAMES dbusmenu-qt dbusmenu-qtd + HINTS ${PC_DBUSMENUQT_LIBDIR} ${PC_DBUSMENUQT_LIBRARY_DIRS} + ) + +find_path(DBUSMENUQT_INCLUDE_DIR dbusmenuexporter.h + HINTS ${PC_DBUSMENUQT_INCLUDEDIR} ${PC_DBUSMENUQT_INCLUDE_DIRS} + PATH_SUFFIXES dbusmenu-qt + ) + + +# dbusmenu_version.h is installed since 0.4.0, fail if a version below this is required: +if ((DBusMenuQt_FIND_VERSION) AND ("${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) + + 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}") -if(PC_DBUSMENUQT_FOUND) - set(DBUSMENUQT_DEFINITIONS ${PC_DBUSMENUQT_CFLAGS_OTHER}) + string(REGEX MATCH "\\| *([0-9]+) *\\)" _dummy "${DBUSMENUQT_VERSION_CONTENT}") + set(DBUSMENUQT_VERSION_PATCH "${CMAKE_MATCH_1}") + endif(EXISTS ${DBUSMENUQT_INCLUDE_DIR}/dbusmenu_version.h) - find_library(DBUSMENUQT_LIBRARIES - NAMES dbusmenu-qt dbusmenu-qtd - HINTS ${PC_DBUSMENUQT_LIBDIR} ${PC_DBUSMENUQT_LIBRARY_DIRS} - ) + set(DBUSMENUQT_VERSION "${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_path(DBUSMENUQT_INCLUDE_DIR dbusmenuexporter.h - HINTS ${PC_DBUSMENUQT_INCLUDEDIR} ${PC_DBUSMENUQT_INCLUDE_DIRS} - PATH_SUFFIXES dbusmenu-qt - ) -endif(PC_DBUSMENUQT_FOUND) -find_package_handle_standard_args(DBusMenuQt "Could not find dbusmenu-qt; available at https://launchpad.net/libdbusmenu-qt/" DBUSMENUQT_LIBRARIES DBUSMENUQT_INCLUDE_DIR) +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) +mark_as_advanced(DBUSMENUQT_INCLUDE_DIR DBUSMENUQT_LIBRARIES DBUSMENUQT_VERSION) |