wdfs: add darwin build

pkgs/tools/filesystems/wdfs/default.nix

@@ -1,18 +1,27 @@
-{lib, stdenv, fetchurl, glib, neon, fuse, pkg-config}:
+{lib, stdenv, fetchurl, glib, neon, fuse, autoreconfHook, pkg-config}:
+
+stdenv.mkDerivation rec {
+  pname = "wdfs-fuse";
+  version = "1.4.2";
 
-stdenv.mkDerivation {
-  name = "wdfs-fuse-1.4.2";
   src = fetchurl {
-    url = "http://noedler.de/projekte/wdfs/wdfs-1.4.2.tar.gz";
+    url = "http://noedler.de/projekte/wdfs/wdfs-${version}.tar.gz";
     sha256 = "fcf2e1584568b07c7f3683a983a9be26fae6534b8109e09167e5dff9114ba2e5";
   };
-  nativeBuildInputs = [ pkg-config ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [fuse glib neon];
 
+  postPatch = lib.optionalString stdenv.isDarwin ''
+    # Fix the build on macOS with macFUSE installed. Needs autoreconfHook to
+    # take effect.
+    substituteInPlace configure.ac --replace \
+      'export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH' ""
+  '';
+
   meta = with lib; {
     homepage = "http://noedler.de/projekte/wdfs/";
-    license = licenses.gpl2;
+    license = licenses.gpl2Plus;
     description = "User-space filesystem that allows to mount a webdav share";
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 }