configure.ac: Use pkg-config to locate check.

Original commit message from CVS:
* configure.ac:
Use pkg-config to locate check.

ChangeLog

+2007-07-12  Stefan Kost  <ensonic@users.sf.net>
+
+	* configure.ac:
+	  Use pkg-config to locate check.
+
 2007-07-11  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* ext/cairo/gsttimeoverlay.c: (gst_cairo_time_overlay_transform):

configure.ac

@@ -278,9 +278,10 @@ AC_MSG_NOTICE(Using GStreamer Base Plugins in $GSTPB_PLUGINS_DIR)
 
 dnl FIXME: get rid of this by making sure gstreamer-check brings it in
 dnl check for "check", unit testing library/header
-AM_PATH_CHECK(0.9.2, HAVE_CHECK=yes, HAVE_CHECK=no)
-AM_CONDITIONAL(HAVE_CHECK, test "x$HAVE_CHECK" = "xyes")
-
+PKG_CHECK_MODULES(CHECK, check >= 0.9.2,
+  AM_CONDITIONAL(HAVE_CHECK, true),
+  AM_CONDITIONAL(HAVE_CHECK, false)
+)
 dnl Check for documentation xrefs
 GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`"
 GST_PREFIX="`$PKG_CONFIG --variable=prefix gstreamer-$GST_MAJORMINOR`"