Put $Id$ inside [] in AC_REVISION, since expansion contains a comma.

diff --git a/configure.in b/configure.in
index 6501a7c..cabbdaf 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_REVISION($Id$)
+AC_REVISION([$Id$])
 AC_INIT(vpath.c)               dnl A distinctive file to look for in srcdir.
 AC_CONFIG_HEADER(config.h)