Index: configure.ac
--- configure.ac.orig	2010-10-23 12:47:26.000000000 +0300
+++ configure.ac	2010-10-23 12:51:26.460817000 +0300
@@ -1968,7 +1968,17 @@
     CFLAGS="${saved_cflags}"
 fi
 
-AST_EXT_TOOL_CHECK([GMIME], [gmime-config], [], [], [#include <gmime/gmime.h>], [gboolean q = g_mime_check_version(0,0,0);])
+PBX_GMIME=0
+AC_CHECK_TOOL(PKGCONFIG, pkg-config, No)
+if test ! "x${PKGCONFIG}" = xNo; then
+   GMIME_INCLUDE=$(${PKGCONFIG} gmime-2.0 --cflags 2>/dev/null)
+   GMIME_LIB=$(${PKGCONFIG} gmime-2.0 --libs)
+   PBX_GMIME=1
+   AC_DEFINE([HAVE_GMIME], 1, [Define if your system has the GMIME libraries.])
+fi
+AC_SUBST(PBX_GMIME)
+AC_SUBST(GMIME_INCLUDE)
+AC_SUBST(GMIME_LIB)
 
 AST_EXT_LIB_CHECK([HOARD], [hoard], [malloc], [])