Make Radiant honor GDK_GL_LIBGL_PATH. This way Radiant and GtkGLExt can use the same instance of libGL.dylib. Failure to do this results in unpredictable and wrong behavior from GL.

apple/GtkRadiant.app/Contents/MacOS/radiant

@@ -11,8 +11,14 @@ set -x
 
 resources="${RADIANT_HOME}/Contents/Resources"
 
+export GDK_GL_LIBGL_PATH="${resources}/lib/libGL.1.dylib"
+export GDK_GL_LIBGLU_PATH="${resources}/lib/libGLU.1.dylib"
+
+export GDK_PATH="${resources}"
 export GDK_PIXBUF_MODULE_FILE="${resources}/etc/gtk-2.0/gdk-pixbuf.loaders"
 
+export GOBJECT_PATH="${resources}"
+
 export GTK_DATA_PREFIX="${resources}"
 export GTK_EXE_PREFIX="${resources}"
 export GTK_PATH="${resources}"
@@ -21,6 +27,6 @@ export PANGO_SYSCONFDIR="${resources}/etc"
 export PANGO_LIBDIR="${resources}/lib"
 
 cd "${resources}/install"
-./radiant.bin
+./radiant.bin &
 
 set +x

apple/Makefile

@@ -12,60 +12,57 @@ VERSION = 1.6.4
 DMG = $(TARGET)/GtkRadiant-$(VERSION).dmg
 VOLUME_NAME = "GtkRadiant $(VERSION)"
 
-all: install gtk-runtime bundle
+all: install bundle
 
-pre-install:
+-pre-install:
 	install -d $(TARGET)
 	cp -r GtkRadiant.app $(TARGET)
 	find $(TARGET) -name .turd -delete
 	
-install: pre-install
-	cp -r $(INSTALL) $(RESOURCES)
-	rm -rf `find $(INSTDIR)/installs -type d -name .svn`
+-gtk-runtime-gdk-pixbuf-2.0:
+	cp -r /opt/local/lib/gdk-pixbuf-2.0 $(LIBDIR)
+	find $(LIBDIR)/gdk-pixbuf-2.0 -type f ! -name "*.so" -delete
 	
-gtk-runtime:
 	gdk-pixbuf-query-loaders | sed $(PREFIX_SED_EXPR) > \
 		$(CONFDIR)/gtk-2.0/gdk-pixbuf.loaders
 
-	gtk-query-immodules-2.0 | sed $(PREFIX_SED_EXPR) > \
-		$(CONFDIR)/gtk-2.0/gtk.immodules
+-gtk-runtime-pango:
+	cp -r /opt/local/lib/pango $(LIBDIR)
+	find $(LIBDIR)/pango -type f ! -name "*.so" -delete
 	
 	pango-querymodules | sed $(PREFIX_SED_EXPR) > \
 		$(CONFDIR)/pango/pango.modules
 	
-	cp -r /opt/local/lib/gdk-pixbuf-2.0 $(LIBDIR)
+-gtk-runtime: -gtk-runtime-gdk-pixbuf-2.0 -gtk-runtime-pango
 	cp -r /opt/local/lib/gtk-2.0 $(LIBDIR)
-	cp -r /opt/local/lib/pango $(LIBDIR)
-	
-	find $(LIBDIR)/gdk-pixbuf-2.0 -type f ! -name "*.so" -delete
 	find $(LIBDIR)/gtk-2.0 -type f ! -name "*.so" -delete	
-	find $(LIBDIR)/pango -type f ! -name "*.so" -delete
 	
 	rm -rf $(LIBDIR)/gtk-2.0/{includes,modules}
 	rm -rf $(LIBDIR)/gtk-2.0/*/printbackends
 	
-	dylibbundler -b \
-		`find $(LIBDIR)/gdk-pixbuf-2.0 -type f | xargs -I {} echo -x {}` \
-		`find $(LIBDIR)/gtk-2.0 -type f | xargs -I {} echo -x {}` \
-		`find $(LIBDIR)/pango -type f | xargs -I {} echo -x {}` \
-	-d $(LIBDIR) -of -p @executable_path/../lib
-	
 	cp -r /opt/local/share/themes/Default $(RESOURCES)/share
 	
+	gtk-query-immodules-2.0 | sed $(PREFIX_SED_EXPR) > \
+		$(CONFDIR)/gtk-2.0/gtk.immodules
+
+install: -pre-install -gtk-runtime
+	cp -r $(INSTALL) $(RESOURCES)
+	rm -rf `find $(INSTDIR)/installs -type d -name .svn`
+
 bundle:
+
+	# The Radiant plugins (modules) are a little funky
+	# Some of them are actually linked against the build directory
+	
+	ln -s ../build ./build
+	
 	dylibbundler -b \
 		-x $(INSTDIR)/radiant.bin \
 		-x $(INSTDIR)/q3map2 \
 		-x $(INSTDIR)/q3map2_urt \
 		-x $(INSTDIR)/q3data \
-	-d $(LIBDIR) -of -p @executable_path/../lib
-
-	# The Radiant plugins (modules) are a little funky
-	# Some of them are actually linked against the build directory
-	ln -s ../build ./build
-	
-	dylibbundler -b \
 		`find $(INSTDIR)/modules -name "*.so" | xargs -I {} echo -x {}` \
+		`find $(LIBDIR) -name "*.so" | xargs -I {} echo -x {}` \
 	-d $(LIBDIR) -of -p @executable_path/../lib
 
 	rm -f build

radiant/main.cpp

@@ -463,19 +463,17 @@ int main( int argc, char* argv[] ) {
 	 */
 	putenv( "LC_NUMERIC=C" );
 
-#ifdef _WIN32
-	libgl = "opengl32.dll";
-#endif
-
-#if defined ( __linux__ )
-	libgl = "libGL.so.1";
-#endif
-
-#ifdef __APPLE__
-	//	libgl = "/usr/X11R6/lib/libGL.dylib";
-	//	libgl = "/usr/X11/lib/libGL.dylib";
-	libgl = "/opt/local/lib/libGL.dylib";
-#endif
+	// Use the same environment variable for resolving libGL as libgtkglext does.
+	libgl = getenv("GDK_GL_LIBGL_PATH");
+	if ( libgl == NULL ) {
+		#if defined ( _WIN32 )
+			libgl = "opengl32.dll";
+		#elif defined ( __linux__ )
+			libgl = "libGL.so.1";
+		#elif defined ( __APPLE__ )
+			libgl = "/opt/local/lib/libGL.dylib";
+		#endif
+	}
 
 #if defined ( __linux__ ) || defined ( __APPLE__ )
 	// Give away unnecessary root privileges.