[totem] build: Fix gromit plugin enablement

[Bastien Nocera <hadess src gnome org>]

commit 6222587a84c463997e93bbc7ee1ffca5e1a34dce
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Jul 13 20:33:26 2012 +0100

    build: Fix gromit plugin enablement

 configure.in |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/configure.in b/configure.in
index 8223992..cf030c5 100644
--- a/configure.in
+++ b/configure.in
@@ -381,6 +381,15 @@ for plugin in ${used_plugins}; do
 
 	case ${plugin} in
 		gromit)
+			have_x11=no
+			gdk_targets=$(pkg-config --variable=targets gtk+-3.0)
+			for gdk_target in $gdk_targets; do
+				if test x$gdk_target = xx11; then
+					have_x11=yes
+					break
+				fi
+			done
+
 			if test "${have_x11}" != "yes" ; then
 				plugin_error_or_ignore "the gromit plugin is not supported on non-X11 targets"
 				add_plugin="0"