Build icontest for OS X, too. Does not work at all, though

Change-Id: Id1c82638f12514f55f297ec5e4a07444849175ce

Repository.mk

@@ -99,7 +99,7 @@ $(eval $(call gb_Helper_register_executables,OOO, \
 	) \
 	uri-encode \
 	ui-previewer \
-	$(if $(filter LINUX WNT,$(OS)), \
+	$(if $(filter LINUX MACOSX WNT,$(OS)), \
 		icontest) \
 	vcldemo \
 	tiledrendering \

vcl/Executable_icontest.mk

@@ -33,6 +33,12 @@ $(eval $(call gb_Executable_add_libs,icontest,\
     opengl32.lib \
 ))
 
+else ifeq ($(OS),MACOSX)
+
+$(eval $(call gb_Executable_add_libs,icontest,\
+    -framework OpenGL \
+))
+
 endif
 
 $(eval $(call gb_Executable_use_static_libraries,icontest,\

vcl/Module_vcl.mk

@@ -25,7 +25,7 @@ $(eval $(call gb_Module_add_targets,vcl,\
     $(if $(filter DESKTOP,$(BUILD_TYPE)), \
         StaticLibrary_vclmain \
         Executable_ui-previewer \
-		$(if $(filter LINUX WNT,$(OS)), \
+		$(if $(filter LINUX MACOSX WNT,$(OS)), \
 	        Executable_icontest)) \
     $(if $(filter-out ANDROID IOS WNT,$(OS)), \
         Executable_svdemo \