CentOS 6 and RHEL 6 have autoconf 2.63.
Fixes: e4b2b69e82 ("configure: Add and use AX_CHECK_COMPILE_FLAG")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This makes it a lot clearer what's happening (at least I think so), and
will make future additions much simpler.
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Unused since 1a6ae84041
Signed-off-by: Andreas Boll <andreas.boll.dev@gmail.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>