--- mozilla-2.0.orig/configure	2011-03-19 00:48:56.000000000 +0100
+++ mozilla-2.0/configure	2011-04-24 06:37:26.000000000 +0200
@@ -23503,6 +23503,9 @@ fi
     fi
 fi
 
+HOST_LIBIDL_CFLAGS=`env PKG_CONFIG_LIBDIR=${PKG_HOSTLIB_DIR} ${BUILD_LIBIDL_CONFIG} --cflags`
+HOST_LIBIDL_LIBS=`env PKG_CONFIG_LIBDIR=${PKG_HOSTLIB_DIR} ${BUILD_LIBIDL_CONFIG} --libs`
+
 if test -n "$CROSS_COMPILE"; then
     case "$target" in
     *-mingw*|*-cygwin*|*-msvc*|*-mks*)