audio/mumble: switch from USE_GITHUB to pre-rolled release and fix build on ARCHes other than x86

[vvd]

Summary

1. Switch from USE_GITHUB to pre-rolled release.
2. Use CMake to install the files instead of using custom do-install target.
3. Unbundle devel/microsoft-gsl.
4. Fix build and keep possibility to build 32bit overlay on other ARCHes than x86.
5. "Pet portclippy".

PR:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273203
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=272881

Tested build in poudriere on 12.4, 13.2 amd64 and i386. Tested work on 13.2 amd64.

Ideas, patches and testing: fuz@, jhale@, pkubaj@.

[diizzy]

audio/mumble/Makefile

9

+= should be =

40

Where is this used?

48

+= --> =

[vvd]

audio/mumble/Makefile

40

File auxiliary_files/run_scripts/mumble-overlay.in installed as bin/mumble-overlay.
Check pkg-plist.

[vvd]

Replaced shebang with statically patch.

[tcberner]

audio/mumble/files/patch-auxiliary__files_run__scripts_mumble-overlay.in

19

^ thanks, I think this is much cleaner this way than when using shebangfix -- as you already have a nice comment above about removing bash :)

[tcberner]

This looks good to me.