Use CMake's GNUInstallDirs for install directories on Unix (#11636)

This makes the installation process honor system-specific
directories (e.g. ${PREFIX}/man instead of ${PREFIX}/share/man on
BSD).

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1995f34b88ebc8ea5a6ed20d0095e17329ba4385..e542d3509c44ac3f94d0dd3c0c81704e95b3cef5 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -135,15 +135,16 @@ elseif(UNIX) # Linux, BSD etc
                set(ICONDIR "unix/icons")
                set(LOCALEDIR "locale")
        else()
-               set(SHAREDIR "${CMAKE_INSTALL_PREFIX}/share/${PROJECT_NAME}")
-               set(BINDIR "${CMAKE_INSTALL_PREFIX}/bin")
-               set(DOCDIR "${CMAKE_INSTALL_PREFIX}/share/doc/${PROJECT_NAME}")
-               set(MANDIR "${CMAKE_INSTALL_PREFIX}/share/man")
+               include(GNUInstallDirs)
+               set(SHAREDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}")
+               set(BINDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}")
+               set(DOCDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DOCDIR}")
+               set(MANDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_MANDIR}")
                set(EXAMPLE_CONF_DIR ${DOCDIR})
-               set(XDG_APPS_DIR "${CMAKE_INSTALL_PREFIX}/share/applications")
-               set(APPDATADIR "${CMAKE_INSTALL_PREFIX}/share/metainfo")
-               set(ICONDIR "${CMAKE_INSTALL_PREFIX}/share/icons")
-               set(LOCALEDIR "${CMAKE_INSTALL_PREFIX}/share/locale")
+               set(XDG_APPS_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/applications")
+               set(APPDATADIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/metainfo")
+               set(ICONDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/icons")
+               set(LOCALEDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LOCALEDIR}")
        endif()
 endif()