* m4/libtool.m4: Not setting 10.0 to MACOSX_DEPLOYMENT_TARGET when not
defined. Only specify -flat_namespace to linker for specific
(older) versions and hosts.
--
Original patch was by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
in
https://lists.gnu.org/archive/html/libtool-patches/
2020-06/msg00001.html
Reported-by: Aleix Conchillo Flaque
GnuPG-bug-id: 5610
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>