moarvm: fix build for darwin

pkgs/development/interpreters/rakudo/moarvm.nix

@@ -10,6 +10,17 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-fzSHpw6Ld74OTi8SsUxJ9qAdA3jglAyGlYyQFsSVrXU=";
    };
 
+  postPatch = ''
+    patchShebangs .
+  '' + lib.optionalString stdenv.isDarwin ''
+    substituteInPlace Configure.pl \
+      --replace '`/usr/bin/arch`' '"${stdenv.hostPlatform.darwinArch}"' \
+      --replace '/usr/bin/arch' "$(type -P true)" \
+      --replace '/usr/' '/nope/'
+    substituteInPlace 3rdparty/dyncall/configure \
+      --replace '`sw_vers -productVersion`' '"$MACOSX_DEPLOYMENT_TARGET"'
+  '';
+
   buildInputs = [ perl ] ++ lib.optionals stdenv.isDarwin [ CoreServices ApplicationServices ];
   doCheck = false; # MoarVM does not come with its own test suite