Create directory m4 if it doesn't already exist.

(See #292.)

1 files changed, 1 insertions, 0 deletions

diff --git a/autogen.sh b/autogen.sh
index d561b540..a3b71cce 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -6,6 +6,7 @@ then libtoolize=glibtoolize
 else libtoolize=libtoolize
 fi
 
+mkdir -p m4
 aclocal -I m4
 autoconf
 autoheader