Add new build option WITH_XCOMPOSITE

Fix build without xcomposite
This resolves Bug 1289
(cherry picked from commit 6e81fa9ce1)

CMakeLists.txt

@@ -86,6 +86,7 @@ OPTION( WITH_SUDO_KDESU_BACKEND "Use sudo as backend for kdesu (default is su)"
 OPTION( WITH_LZMA "Enable support for LZMA/XZ" ${WITH_ALL_OPTIONS} )
 OPTION( WITH_LIBBFD "Enable pretty backtraces with libbfd from GNU binutils" OFF )
 OPTION( WITH_XRANDR "Build the krandr library" ON )
+OPTION( WITH_XCOMPOSITE "Enable xcomposite support" ON )
 
 OPTION( WITH_ASPELL "Enable aspell support" ${WITH_ALL_OPTIONS} )
 OPTION( WITH_HSPELL "Enable hspell support" ${WITH_ALL_OPTIONS} )
@@ -612,10 +613,15 @@ endif( XRENDER_FOUND )
 
 ##### check for xcomposite #########################
 
-pkg_search_module( XCOMPOSITE xcomposite )
-if( XCOMPOSITE_FOUND )
-  set( HAVE_XCOMPOSITE 1 )
-endif( XCOMPOSITE_FOUND )
+if( WITH_XCOMPOSITE )
+  pkg_search_module( XCOMPOSITE xcomposite )
+  if( XCOMPOSITE_FOUND )
+    set( HAVE_XCOMPOSITE 1 )
+  else( WITH_XCOMPOSITE )
+    tde_message_fatal( "xcomposite support was requested, but xcomposite was not found on your system" )
+  endif( XCOMPOSITE_FOUND )
+endif( WITH_XCOMPOSITE )
+
 
 ##### check for libxml-2.0 ######################
 

kdecore/kapplication.cpp

@@ -186,7 +186,7 @@ static Atom atom_NetSupported;
 static Atom kde_xdnd_drop;
 #endif
 
-#ifdef Q_WS_X11
+#if defined(Q_WS_X11) && defined(COMPOSITE)
 static int composite_event, composite_error, composite_opcode;
 static bool x11_composite_error_generated;
 static int x11_error(Display *dpy, XErrorEvent *ev) {
@@ -1981,7 +1981,7 @@ bool KApplication::isCompositionManagerAvailable() {
 	return false;
 }
 
-bool KApplication::detectCompositionManagerAvailable(bool force_available) {
+bool KApplication::detectCompositionManagerAvailable(bool force_available, bool available) {
 	const char *home;
 	struct passwd *p;
 	p = getpwuid(getuid());
@@ -2023,21 +2023,17 @@ Display* KApplication::openX11RGBADisplay() {
 	return 0;
 }
 
-Qt::HANDLE KApplication::getX11RGBAVisual(char *display) {
+Qt::HANDLE KApplication::getX11RGBAVisual(Display *dpy) {
 	return 0;
 }
 
-Qt::HANDLE KApplication::getX11RGBAColormap(char *display) {
+Qt::HANDLE KApplication::getX11RGBAColormap(Display *dpy) {
 	return 0;
 }
 
 bool KApplication::isX11CompositionAvailable() {
 	return false;
 }
-
-KApplication KApplication::KARGBApplication( bool allowStyles ) {
-	return KApplication::KApplication(allowStyles, true);
-}
 #endif
 
 static bool kapp_block_user_input = false;