* autogen.sh: Use autoreconf's -f option.

[bpt/emacs.git] / autogen.sh

diff --git a/autogen.sh b/autogen.sh
index 6b7c647..880f21f 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -202,7 +202,8 @@ echo "Your system has the required tools, running autoreconf..."
 
 
 ## Let autoreconf figure out what, if anything, needs doing.
-autoreconf -i -I m4 || exit $?
+## Use autoreconf's -f option in case autoreconf itself has changed.
+autoreconf -f -i -I m4 || exit $?
 
 ## Create a timestamp, so that './autogen.sh; make' doesn't
 ## cause 'make' to needlessly run 'autoheader'.