m4_ifnblank seems to be too new for some autoconf
authorJean-Baptiste Kempf <jb@videolan.org>
Sun, 9 Aug 2009 12:42:52 +0000 (14:42 +0200)
committerJean-Baptiste Kempf <jb@videolan.org>
Sun, 9 Aug 2009 12:44:30 +0000 (14:44 +0200)
commitd76709e45d961e180791c799fe8daef0378330ad
treea006ecf65e02f428961846f2790533680e85d603
parentb7e641261d19c238dcf4b917db41d765b1ec8c95
m4_ifnblank seems to be too new for some autoconf

And bumping autoconf version seems to be a bit much for such a small improvement
m4/with_pkg.m4