tree 0b471e35bc3eb80248e20dc6f807d9c0a9203f5c
parent 1376b3517d548f74c12bfcfb74f9412e5df39ebf
author Mark Wielaard <mark@klomp.org> 1484217810 +0100
committer Mark Wielaard <mark@klomp.org> 1484218053 +0100

Define PACKAGE_URL for older autoconf.

autoconf < 2.64 doesn't define PACKAGE_URL through AC_INIT.
Define it ourselves if needed.

Signed-off-by: Mark Wielaard <mark@klomp.org>