--- cups-1.3.11/config-scripts/cups-pdf.m4.orig	2010-08-17 01:13:48.000000000 +0200
+++ cups-1.3.11/config-scripts/cups-pdf.m4	2010-08-17 01:20:56.000000000 +0200
@@ -25,6 +25,18 @@
 CUPS_GHOSTSCRIPT=""
 
 case "x$with_pdftops" in
+	x/*/gs)
+	CUPS_GHOSTSCRIPT="$with_pdftops"
+	with_pdftops=gs
+	;;
+
+	x/*/pdftops)
+	CUPS_PDFTOPS="$with_pdftops"
+	with_pdftops=pdftops
+	;;
+esac
+
+case "x$with_pdftops" in
 	x) # Default/auto
 	if test $uname != Darwin; then
 		AC_PATH_PROG(CUPS_PDFTOPS, pdftops)