Allow library to be compiled without installing supporting libraries.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@2726 72102866-910b-0410-8b05-ffd578937521

Tools/GNUmakefile

@@ -27,7 +27,9 @@
 
 GNUSTEP_INSTALLATION_DIR = $(GNUSTEP_SYSTEM_ROOT)
 
-include $(GNUSTEP_SYSTEM_ROOT)/Makefiles/common.make
+GNUSTEP_MAKEFILE_DIR = $(GNUSTEP_SYSTEM_ROOT)/Makefiles
+
+include $(GNUSTEP_MAKEFILE_DIR)/common.make
 
 # The application to be compiled
 TOOL_NAME = gpbs
@@ -37,6 +39,6 @@ gpbs_OBJC_FILES = gpbs.m
 
 -include GNUmakefile.preamble
 
-include $(GNUSTEP_SYSTEM_ROOT)/Makefiles/tool.make
+include $(GNUSTEP_MAKEFILE_DIR)/tool.make
 
 -include GNUmakefile.postamble

Tools/gpbs.m

@@ -50,6 +50,13 @@
 
 #include <signal.h>
 
+BOOL
+initialize_gnustep_backend(void)
+{
+  /* Dummy replacement for the xdps function */
+  return YES;
+}
+
 @class PasteboardServer;
 
 int	debug = 0;