diff --git a/src/project.conf b/src/project.conf
index c152779..f91bef7 100644
--- a/src/project.conf
+++ b/src/project.conf
@@ -1,6 +1,8 @@
 targets=camera
+#cflags_force=-W `pkg-config --cflags libDesktop gtk+-x11-3.0`
 cflags_force=-W `pkg-config --cflags libDesktop`
 cflags=-Wall -g -O2
+#ldflags_force=`pkg-config --libs libDesktop gtk+-x11-3.0` -lintl
 ldflags_force=`pkg-config --libs libDesktop` -lintl
 dist=Makefile,camera.h,overlay.h,window.h
 
diff --git a/tools/gallery.c b/tools/gallery.c
index dc2c83e..5a6b5f6 100644
--- a/tools/gallery.c
+++ b/tools/gallery.c
@@ -24,7 +24,7 @@
 #include <libintl.h>
 #include <errno.h>
 #include <glib.h>
-#include <gtk/gtk.h>
+#include <gtk/gtk.h> /* for GTK_CHECK_VERSION */
 #include "../config.h"
 #define _(string) gettext(string)
 
diff --git a/tools/project.conf b/tools/project.conf
index 91efeb9..6004eee 100644
--- a/tools/project.conf
+++ b/tools/project.conf
@@ -1,6 +1,8 @@
 targets=gallery
+#cflags_force=-W `pkg-config --cflags gtk+-3.0`
 cflags_force=-W `pkg-config --cflags gtk+-2.0`
 cflags=-Wall -g -O2
+#ldflags=`pkg-config --libs glib-3.0`
 ldflags=`pkg-config --libs glib-2.0`
 dist=Makefile