sdl3: Disable AltiVec optimisations on non-ppc64le (#462734)

2025-12-01 17:41:24 +00:00
parent 542c43471a 26ae310f9d
commit d355da8e30
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