build: set GDK_VERSION_MIN_REQUIRED, to avoid deprecation warnings (ported from pptp)

bb484855 · Sergey Prokhorov · 64397cd2 · bb484855
Commit bb484855 authored Nov 26, 2012 by Sergey Prokhorov
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configure.ac configure.ac +1 -0

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--- a/configure.ac
+++ b/configure.ac
@@ -94,6 +94,7 @@ if test x"$with_gnome" != xno; then
 	       *) AC_MSG_ERROR(unknown GTK+ version $with_gtkver!)
 	          ;;
 	esac
+	GTK_CFLAGS="$GTK_CFLAGS -DGDK_VERSION_MIN_REQUIRED=GDK_VERSION_3_0"
 	AC_SUBST(GTK_CFLAGS)
 	AC_SUBST(GTK_LIBS)