From 0f1c848998effc47ca5cbacf5c45f9f618bacd6b Mon Sep 17 00:00:00 2001
From: Jean-Philippe Orsini <jeanfi@gmail.com>
Date: Mon, 7 Nov 2011 10:33:21 +0000
Subject: [PATCH] gtk3 optional

---
 configure.ac | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index e3e011d..dd68666 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,12 +54,17 @@ AC_SUBST(XEXT_LIBS)
 
 # Checks GTK
 GTK_LIBS=
-PKG_CHECK_MODULES(GTK, gtk+-3.0,,[AC_MSG_WARN("GTK+ 3 not present")])
+PKG_CHECK_MODULES(GTK,
+		  gtk+-3.0,
+		  [AC_DEFINE([HAVE_GTK3],[1],[Use GTK3])],
+		  [AC_MSG_WARN("GTK+ 3 not present")])
+AM_CONDITIONAL(GTK, test -n "$GTK_LIBS")
 AC_SUBST(GTK_CFLAGS)
 AC_SUBST(GTK_LIBS)
 
 if test "$GTK_LIBS" == ""; then
    PKG_CHECK_MODULES(GTK, gtk+-2.0 )
+   AM_CONDITIONAL(GTK, test -n "$GTK_LIBS")
    AC_SUBST(GTK_CFLAGS)
    AC_SUBST(GTK_LIBS)
 fi
-- 
2.7.4