liquid-dsp: don't leak impure builder cpu extensions into the build

By default the project builds with automatic vector extension detection
for the cpu. This leaks impure state into the executable and depending on
the builder results in executables that require AVX extensions.

Resolves #384082.

pkgs/development/libraries/liquid-dsp/default.nix

@@ -19,7 +19,16 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-3UKAwhYaYZ42+d+wiW/AB6x5TSOel8d++d3HeZqAg/8=";
   };
 
-  configureFlags = lib.optionals stdenv.hostPlatform.isDarwin [ "LIBTOOL=${cctools}/bin/libtool" ];
+  configureFlags =
+    lib.optionals stdenv.hostPlatform.isDarwin [
+      "LIBTOOL=${cctools}/bin/libtool"
+    ]
+    ++ [
+      # Prevent native cpu arch from leaking into binaries. This might lead to
+      # poor performance, but having portable and working executables is more
+      # important.
+      (lib.enableFeature true "simdoverride")
+    ];
 
   nativeBuildInputs =
     [ autoreconfHook ]