The autotools build system was finally removed in favor of meson,
so migrate the package to the meson infra.
Notable changes:
- c11 is required.
- glib is no longer optional.
- there is no option to choose if libcap or neon must be used or not.
- support for libatomic_ops is broken and must be extensively patched.
Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
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