
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>
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>