sdl3: Disable AltiVec optimisations on non-ppc64le

Baselines for 32-bit and big-endian 64-bit POWER don't guarantee it.
2025-11-20 15:56:49 +01:00
parent 1dcdb7dcba
commit 26ae310f9d
1 changed files with 3 additions and 0 deletions
@@ -171,6 +171,9 @@ stdenv.mkDerivation (finalAttrs: {
    (lib.cmakeBool "SDL_TESTS" true)
    (lib.cmakeBool "SDL_INSTALL_TESTS" true)
    (lib.cmakeBool "SDL_DEPS_SHARED" false)
+
+    # Only ppc64le baseline guarantees AltiVec
+    (lib.cmakeBool "SDL_ALTIVEC" (stdenv.hostPlatform.isPower64 && stdenv.hostPlatform.isLittleEndian))
  ]
  ++
    lib.optionals