From a7feac3b13cc04156f5615e8eb84cd1cb5a0936e Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Fri, 18 Sep 2009 08:59:54 +0200
Subject: [PATCH] Add advice to an error message.

---
 ChangeLog   | 5 +++++
 gnulib-tool | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 70b592d97..c72f224f5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-09-18  Bruno Haible  <bruno@clisp.org>
+
+	* gnulib-tool: Add advice to "cannot find configure.ac" error message.
+	Reported by <erobles@sensacd.com.mx>.
+
 2009-09-17  Eric Blake  <ebb9@byu.net>
 
 	canonicalize: in CAN_ALL_BUT_LAST, allow trailing slash
diff --git a/gnulib-tool b/gnulib-tool
index 46f5f8790..a84743197 100755
--- a/gnulib-tool
+++ b/gnulib-tool
@@ -4420,7 +4420,7 @@ case $mode in
       if test -f "$destdir"/configure.in; then
         configure_ac="$destdir/configure.in"
       else
-        func_fatal_error "cannot find $destdir/configure.ac"
+        func_fatal_error "cannot find $destdir/configure.ac - make sure you run gnulib-tool from within your package's directory"
       fi
     fi
 
-- 
2.11.0