meson, autotools: figure out if mem barrier is needed for arm64 host variant aarch64
@marcmicalizzi
Submitted by Marc Micalizzi Link to original bug (#792338)
Description
arm64 can be reffered to as aarch64, and when it is glib can't build through meson without changing meson.build as aarch64 doesn't start with 'arm'
Meson encountered an error in file meson.build, line 1267, column 2: Error encountered: Unknown host cpu: aarch64 In master it's on line 1288