--- configure.in.ori	2002-03-26 16:48:16.000000000 +0100
+++ configure.in	2009-05-13 20:36:31.000000000 +0200
@@ -27,6 +27,7 @@
 AC_PROG_CC
 AC_PROG_INSTALL
 AC_PROG_RANLIB
+PKG_PROG_PKG_CONFIG
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_SYS_LARGEFILE
@@ -134,10 +135,10 @@
 
 # support for pcre
 if test x"$testpcre" = x"yes"; then
-	if pcre-config --cflags >/dev/null 2>&1; then
-		CFLAGS="$CFLAGS `pcre-config --cflags`"
-		LIBS="$LIBS `pcre-config --libs`"
-	fi
+	PKG_CHECK_MODULES(pcre, [libpcre])
+	CFLAGS="$CFLAGS $pcre_CFLAGS"
+	LIBS="$LIBS $pcre_LIBS"
+
 	AC_CHECK_LIB(pcre, pcre_exec)
 fi