From 80deb52955cbd917e10f015f37699d830cb681ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sl=C3=A1vek=20Banko?= <slavek.banko@axis.cz>
Date: Sun, 10 Jun 2012 15:58:19 +0200
Subject: [PATCH] Add xscreensaver support to CMake This closes Bug 859

---
 CMakeLists.txt          |  1 +
 ConfigureChecks.cmake   | 20 ++++++++++++++++++++
 config.h.cmake          |  3 +++
 kdesktop/CMakeLists.txt |  1 +
 4 files changed, 25 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31fb46c43..3da5b2f63 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,6 +68,7 @@ option( WITH_XRENDER "Enable xrender support" ${WITH_ALL_OPTIONS} )
 option( WITH_XDAMAGE "Enable xdamage support" ${WITH_ALL_OPTIONS} )
 option( WITH_XEXT "Enable xext support" ${WITH_ALL_OPTIONS} )
 option( WITH_XTEST "Enable xext support" ${WITH_ALL_OPTIONS} )
+option( WITH_XSCREENSAVER "Enable xscreensaver support" ${WITH_ALL_OPTIONS} )
 option( WITH_LIBART "Enable libart support (for SVG icons and wallpapers)" ${WITH_ALL_OPTIONS} )
 option( WITH_LIBUSB "Enable control of some mouse models through libusb" ${WITH_ALL_OPTIONS} )
 option( WITH_LIBRAW1394 "Enable visualization of ieee1394 devices through libraw1394" ${WITH_ALL_OPTIONS} )
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index ded1d0025..1d9c83d71 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -144,6 +144,26 @@ if( WITH_XTEST )
 endif( )
 
 
+# xscreensaver ()
+if( WITH_XSCREENSAVER )
+  check_library_exists( Xss XScreenSaverQueryInfo "" HAVE_XSSLIB )
+  if( HAVE_XSSLIB )
+    pkg_search_module( XSS xscrnsaver )
+  else( )
+    check_library_exists( Xext XScreenSaverQueryInfo "" HAVE_XSSLIB )
+    if( HAVE_XSSLIB )
+      pkg_search_module( XSS xext )
+    endif( )
+  endif( )
+  check_include_file( X11/extensions/scrnsaver.h HAVE_XSCREENSAVER_H )
+  if( HAVE_XSSLIB AND HAVE_XSCREENSAVER_H )
+    set( HAVE_XSCREENSAVER 1 )
+  else( )
+    tde_message_fatal( "xscreensaver is requested, but was not found on your system" )
+  endif( )
+endif( )
+
+
 # GL
 if( BUILD_KDESKTOP OR BUILD_KCONTROL OR BUILD_KSCREENSAVER )
 check_library_exists( GL glXChooseVisual "" HAVE_GLXCHOOSEVISUAL )
diff --git a/config.h.cmake b/config.h.cmake
index 39d6d8528..772ca8840 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -24,6 +24,9 @@
 // kxkb
 #cmakedefine HAVE_XTEST 1
 
+// xscreensaver
+#cmakedefine HAVE_XSCREENSAVER 1
+
 // libart
 #cmakedefine HAVE_LIBART 1
 
diff --git a/kdesktop/CMakeLists.txt b/kdesktop/CMakeLists.txt
index 99d86d13a..b2e462853 100644
--- a/kdesktop/CMakeLists.txt
+++ b/kdesktop/CMakeLists.txt
@@ -94,6 +94,7 @@ tde_add_tdeinit_executable( ${target} AUTOMOC
     kdesktopsettings-static bgnd-static dmctl-static
     konq-shared kutils-shared
     ${XRENDER_LIBRARIES} ${XCURSOR_LIBRARIES} Xext dl
+    ${XSS_LIBRARIES}
 )