include the m4 files from the autoconf-archive package

Not everyone has the autoconf-archive package installed, so have the
autogen.sh script automatically update the local copies and include them
in the tree.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/autogen.sh b/autogen.sh
index 776c115..7bd1251 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -3,6 +3,13 @@
 # we'll generate ChangeLog when doing `make dist`
 touch ChangeLog
 
+# not everyone has sys-devel/autoconf-archive installed
+for macro in $(grep -o '\<AX[A-Z_]*\>' configure.ac | sort -u) ; do
+	m4=$(grep -rl "\[${macro}\]" /usr/share/aclocal/)
+	[[ -z $m4 ]] && continue
+	cp -v $m4 m4/
+done
+
 autoreconf -i -f
 
 if [[ -x ./test.sh ]] ; then