Fix "configure" breakage due to pkg-config related changes

The support for older pkg-config packages broke the "configure" script
(reported by Jan Engelhardt).

diff --git a/configure.ac b/configure.ac
index 198883675e7ee5d16c7c3a83120411de19c6277a..b05646b351a55cbd89e375ad73146d2eb544bfa4 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -12,6 +12,8 @@ LT_INIT([dlopen])
 LT_CONFIG_LTDL_DIR([libltdl])
 LTDL_INIT([nonrecursive])
 
+PKG_PROG_PKG_CONFIG
+
 dnl Shortcut: Linux supported alone
 case "$host" in
 *-*-linux* | *-*-uclinux*) ;;