[network-manager-applet] build: require Gtk 3.4 or later

[Dan Winship <danw src gnome org>]

commit a0396dcb09ad1c145b162978019f3c593bc9fb45
Author: Dan Winship <danw gnome org>
Date:   Sun Feb 24 15:28:16 2013 +0100

    build: require Gtk 3.4 or later

 configure.ac |   16 +---------------
 1 files changed, 1 insertions(+), 15 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 61cd85f..928abf5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -150,21 +150,7 @@ PKG_CHECK_MODULES(NOTIFY, [libnotify >= 0.4.3])
 AC_SUBST(NOTIFY_CFLAGS)
 AC_SUBST(NOTIFY_LIBS)
 
-gtk2_req=2.20
-gtk3_req=3.0
-AC_ARG_WITH([gtkver], AS_HELP_STRING([--with-gtkver], [The major version of GTK+ to build with]),
-            with_gtkver="$withval",with_gtkver=0)
-case "${with_gtkver}" in
-       0) PKG_CHECK_MODULES(GTK, gtk+-3.0 > $gtk3_req, ,
-                            [PKG_CHECK_MODULES(GTK, gtk+-2.0 > $gtk2_req)])
-         ;;
-       2) PKG_CHECK_MODULES(GTK, gtk+-2.0 >= $gtk2_req)
-          ;;
-       3) PKG_CHECK_MODULES(GTK, gtk+-3.0 >= $gtk3_req)
-          ;;
-       *) AC_MSG_ERROR(unknown GTK+ version $with_gtkver!)
-          ;;
-esac
+PKG_CHECK_MODULES(GTK, gtk+-3.0 >= 3.4)
 AC_SUBST(GTK_CFLAGS)
 AC_SUBST(GTK_LIBS)