diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4bf8df2..5139e2e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 project( tint2 )
-cmake_minimum_required( VERSION 2.6 )
+cmake_minimum_required( VERSION 2.8.5 )
 
 option( ENABLE_BATTERY "Enable battery status plugin" ON )
 option( ENABLE_TINT2CONF "Enable tint2conf build, a GTK+2 theme configurator for tint2" ON )
@@ -13,6 +13,14 @@ if( CMAKE_SYSTEM_NAME STREQUAL "Linux" )
   option( ENABLE_UEVENT "Kernel event handling support" ON )
 endif( CMAKE_SYSTEM_NAME STREQUAL "Linux" )
 
+include( GNUInstallDirs )
+if(NOT docdir)
+  set(docdir ${CMAKE_INSTALL_DOCDIR})
+endif()
+if(NOT htmldir)
+  set(htmldir ${docdir}/html)
+endif()
+
 include( FindPkgConfig )
 include( CheckLibraryExists )
 include( CheckCSourceCompiles )
@@ -200,11 +208,6 @@ else()
   SET(ASAN_L_FLAGS "")
 endif()
 
-set( MANDIR share/man CACHE PATH "Directory for man pages" )
-set( DATADIR share CACHE PATH "Directory for shared data" )
-set( SYSCONFDIR /etc CACHE PATH "Directory for configuration files" )
-set( DOCDIR share/doc/tint2 CACHE PATH "Directory for documentation files" )
-
 add_custom_target( version ALL "${PROJECT_SOURCE_DIR}/get_version.sh" "\"${PROJECT_SOURCE_DIR}\"" )
 
 link_directories( ${X11_LIBRARY_DIRS}
@@ -243,14 +246,15 @@ set_target_properties( tint2 PROPERTIES COMPILE_FLAGS "-Wall -Wpointer-arith -fn
 set_target_properties( tint2 PROPERTIES LINK_FLAGS "-pthread -fno-strict-aliasing ${ASAN_L_FLAGS} ${BACKTRACE_L_FLAGS}" )
 
 install( TARGETS tint2 DESTINATION bin )
-install( FILES tint2.svg DESTINATION ${DATADIR}/icons/hicolor/scalable/apps )
-install( FILES tint2.desktop DESTINATION ${DATADIR}/applications )
-install( CODE "execute_process(COMMAND gtk-update-icon-cache -f -t ${DATADIR}/icons/hicolor WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX})" )
-install( FILES themes/tint2rc DESTINATION ${SYSCONFDIR}/xdg/tint2 )
-install( FILES default_icon.png DESTINATION ${DATADIR}/tint2 )
-install( FILES AUTHORS ChangeLog README.md doc/tint2.md doc/manual.html doc/readme.html DESTINATION ${DOCDIR} )
-install( DIRECTORY doc/images DESTINATION ${DOCDIR} )
-install( FILES doc/tint2.1 DESTINATION ${MANDIR}/man1 )
+install( FILES tint2.svg DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/scalable/apps )
+install( FILES tint2.desktop DESTINATION ${CMAKE_INSTALL_DATADIR}/applications )
+install( CODE "execute_process(COMMAND gtk-update-icon-cache -f -t ${CMAKE_INSTALL_FULL_DATADIR}/icons/hicolor WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX})" )
+install( FILES themes/tint2rc DESTINATION ${CMAKE_INSTALL_FULL_SYSCONFDIR}/xdg/tint2 )
+install( FILES default_icon.png DESTINATION ${CMAKE_INSTALL_DATADIR}/tint2 )
+install( FILES AUTHORS ChangeLog README.md doc/tint2.md DESTINATION ${docdir} )
+install( FILES doc/manual.html doc/readme.html DESTINATION ${htmldir} )
+install( DIRECTORY doc/images DESTINATION ${htmldir} )
+install( FILES doc/tint2.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1 )
 if( ENABLE_EXTRA_THEMES )
   add_subdirectory(themes)
 endif( ENABLE_EXTRA_THEMES )
diff --git a/src/tint2conf/CMakeLists.txt b/src/tint2conf/CMakeLists.txt
index 9595f6a..0e77857 100644
--- a/src/tint2conf/CMakeLists.txt
+++ b/src/tint2conf/CMakeLists.txt
@@ -57,12 +57,8 @@ target_link_libraries( tint2conf ${X11_T2C_LIBRARIES}
                                  ${GTK2_LIBRARIES}
                                  ${RSVG_LIBRARIES} )
 
-if ( NOT DATADIR )
-  set(DATADIR share)
-endif( NOT DATADIR )
-
 add_definitions( -DINSTALL_PREFIX=\"${CMAKE_INSTALL_PREFIX}\" )
-add_definitions( -DLOCALEDIR=\"${CMAKE_INSTALL_PREFIX}/${DATADIR}/locale\" )
+add_definitions( -DLOCALEDIR=\"${CMAKE_INSTALL_FULL_LOCALEDIR}\" )
 add_definitions( -DGETTEXT_PACKAGE=\"tint2conf\" )
 set_target_properties( tint2conf PROPERTIES COMPILE_FLAGS "-Wall -pthread -std=c99" )
 set_target_properties( tint2conf PROPERTIES LINK_FLAGS "-pthread" )
@@ -70,6 +66,6 @@ set_target_properties( tint2conf PROPERTIES LINK_FLAGS "-pthread" )
 add_subdirectory(po)
 
 install( TARGETS tint2conf DESTINATION bin )
-install( FILES tint2conf.svg DESTINATION ${DATADIR}/icons/hicolor/scalable/apps )
-install( FILES tint2conf.desktop DESTINATION ${DATADIR}/applications )
-install( CODE "execute_process(COMMAND gtk-update-icon-cache -f -t ${DATADIR}/icons/hicolor WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX})" )
+install( FILES tint2conf.svg DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/scalable/apps )
+install( FILES tint2conf.desktop DESTINATION ${CMAKE_INSTALL_DATADIR}/applications )
+install( CODE "execute_process(COMMAND gtk-update-icon-cache -f -t ${CMAKE_INSTALL_FULL_DATADIR}/icons/hicolor WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX})" )
diff --git a/src/tint2conf/po/CMakeLists.txt b/src/tint2conf/po/CMakeLists.txt
index 1d9c8ba..29fb974 100644
--- a/src/tint2conf/po/CMakeLists.txt
+++ b/src/tint2conf/po/CMakeLists.txt
@@ -11,7 +11,7 @@ if (GETTEXT_FOUND)
         foreach(LANG ${LANGUAGES})
             GETTEXT_PROCESS_PO_FILES(${LANG} ALL PO_FILES ${LANG}.po)
             install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${LANG}.gmo"
-                    DESTINATION "${CMAKE_INSTALL_PREFIX}/${DATADIR}/locale/${LANG}/LC_MESSAGES"
+                    DESTINATION "${CMAKE_INSTALL_LOCALEDIR}/${LANG}/LC_MESSAGES"
                     RENAME "${GETTEXT_PACKAGE}.mo")
             endforeach ()
     endif()
diff --git a/themes/CMakeLists.txt b/themes/CMakeLists.txt
index 5d78457..b30e693 100644
--- a/themes/CMakeLists.txt
+++ b/themes/CMakeLists.txt
@@ -1,2 +1,2 @@
 file( GLOB EXTRATHEMEFILES *.tint2rc )
-install( FILES ${EXTRATHEMEFILES} DESTINATION ${DATADIR}/tint2 )
+install( FILES ${EXTRATHEMEFILES} DESTINATION ${CMAKE_INSTALL_DATADIR}/tint2 )