[gnome-packagekit] Ensure we detect and use x11 to fix the compile when linking with --as-needed

[Richard Hughes <rhughes src gnome org>]

commit 6370fd66e17b75acece7e08b0b70850651407ad9
Author: Richard Hughes <richard hughsie com>
Date:   Wed Jan 6 19:00:53 2010 +0000

    Ensure we detect and use x11 to fix the compile when linking with --as-needed

 configure.ac    |    4 ++++
 src/Makefile.am |    1 +
 2 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 8ca7d79..199ea82 100644
--- a/configure.ac
+++ b/configure.ac
@@ -185,6 +185,10 @@ PKG_CHECK_MODULES(CANBERRA, libcanberra-gtk >= $CANBERRA_REQUIRED)
 AC_SUBST(CANBERRA_CFLAGS)
 AC_SUBST(CANBERRA_LIBS)
 
+PKG_CHECK_MODULES(X11, x11)
+AC_SUBST(X11_CFLAGS)
+AC_SUBST(X11_LIBS)
+
 dnl ---------------------------------------------------------------------------
 dnl - GUdev integration (default enabled)
 dnl ---------------------------------------------------------------------------
diff --git a/src/Makefile.am b/src/Makefile.am
index 8568f60..9590594 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -105,6 +105,7 @@ shared_LIBS =						\
 	$(GNOME_MENUS_LIBS)				\
 	$(DEVKIT_LIBS)					\
 	$(CANBERRA_LIBS)				\
+	$(X11_LIBS)					\
 	$(NULL)
 
 gpk_install_provide_file_SOURCES =			\