afflib: build with fuse3 on Darwin

Use a common version of FUSE now that macfuse-stubs supports fuse3 (and
the alias is defined for Darwin).

pkgs/by-name/af/afflib/package.nix

@@ -5,7 +5,6 @@
   zlib,
   curl,
   expat,
-  fuse,
   fuse3,
   openssl,
   autoreconfHook,
@@ -30,9 +29,10 @@ stdenv.mkDerivation (finalAttrs: {
     expat
     openssl
     python3
-  ]
-  ++ lib.optionals stdenv.hostPlatform.isLinux [ fuse3 ]
-  ++ lib.optionals stdenv.hostPlatform.isDarwin [ fuse ];
+    fuse3
+  ];
+
+  env.CFLAGS = lib.optionalString stdenv.hostPlatform.isDarwin "-DFUSE_DARWIN_ENABLE_EXTENSIONS=0";
 
   meta = {
     homepage = "http://afflib.sourceforge.net/";

pkgs/by-name/ss/sshfs-fuse/common.nix

@@ -15,6 +15,7 @@
   docutils,
   makeWrapper,
   fuse3,
+  macfuse-stubs,
   glib,
   which,
   python3Packages,

pkgs/top-level/all-packages.nix

@@ -8616,7 +8616,12 @@ with pkgs;
   );
   fuse = fuse2;
   fuse2 = lowPrio (if stdenv.hostPlatform.isDarwin then macfuse-stubs else fusePackages.fuse_2);
-  fuse3 = lowPrio (if stdenv.hostPlatform.isDarwin then macfuse-stubs.override { isFuse3 = true; } else fusePackages.fuse_3);
+  fuse3 = lowPrio (
+    if stdenv.hostPlatform.isDarwin then
+      macfuse-stubs.override { isFuse3 = true; }
+    else
+      fusePackages.fuse_3
+  );
 
   gpm-ncurses = gpm.override { withNcurses = true; };