diff --git a/autogen.sh b/autogen.sh
index ebd2b814e..8a1ac398b 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -5,7 +5,7 @@ set -e
 rm -rf config.cache build
 mkdir build
 
-aclocal -I m4
+aclocal -I m4 $ACLOCAL_FLAGS
 autoheader
-automake --add-missing --foreign
+automake --add-missing $AUTOMAKE_FLAGS
 autoconf