diff -r 49fc8f60e4a5 -r 6b255a0c4e3e bootstrap.sh
--- a/bootstrap.sh	Thu Jul 09 08:23:50 2009 +0100
+++ b/bootstrap.sh	Fri Mar 22 11:50:12 2019 +0000
@@ -2,7 +2,7 @@
 set -e
 mkdir -p config
 autoheader
-aclocal
+aclocal -I m4
 libtoolize
 automake --foreign --add-missing
 autoconf