libretro.mame2016: fix build with Make 4.3 #101949
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SuperSandro2000
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Oct 28, 2020
Builds currently fail with `ar` trying to operate on what are clearly two paths concatenated together. It stems from a backward-incompatible change in Make: > Previously appending using '+=' to an empty variable would result in > a value starting with a space. Now the initial space is only added > if the variable already contains some value. Similarly, appending an > empty string does not add a trailing space. This issue was first reported on the MAME repository proper (mamedev/mame#6248), and affects libretro's 2016 snapshot as well. A fix that is reported to work with previous versions of Make was upstreamed to: - GENie, the build system: bkaradzic/GENie#493 - MAME: mamedev/mame#6262 - libretro: libretro/mame2016-libretro#47 The fetched patch comes from the last of these.
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Result of @GrahamcOfBorg Where is the one darwin package? |
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Thanks a lot for the fix 👍 |
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Motivation for this change
Builds currently fail with
artrying to operate on what are clearly two paths concatenated together. It stems from a backward-incompatible change in Make:This issue was first reported on mamedev/mame#6248, and affects libretro's 2016 snapshot as well. A fix that is reported to work with previous versions of Make was upstreamed to GENie, the build system, MAME, and now to libretro-mame2016 (pending), from which the patch comes.
Things done
sandboxinnix.confon non-NixOS linux)nix-shell -p nixpkgs-review --run "nixpkgs-review wip"./result/bin/)nix path-info -Sbefore and after)If this gets backported to 20.09,
libretrocan then be unmarked as broken, as far as I can tell.