btrfs-progs: build: let autotools include m4

We'll need some non-standard macro definitions.

Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/autogen.sh b/autogen.sh
index a5f9af24..80442c5b 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -64,9 +64,9 @@ echo "   automake:   $(automake --version | head -1)"
 chmod +x version.sh
 rm -rf autom4te.cache
 
-aclocal $AL_OPTS &&
-autoconf $AC_OPTS &&
-autoheader $AH_OPTS ||
+aclocal -I m4 $AL_OPTS &&
+autoconf -I m4 $AC_OPTS &&
+autoheader -I m4 $AH_OPTS ||
 exit 1
 
 # it's better to use helper files from automake installation than