encfs: fixes for osx 10.9

- switch to osxfuse from fuse4x
- better build flags generation
- fix boost linkage issues (used inreplace instead of big patch in
- original pull request)
- fix symlinks on osx

credits goes to:
defunctzombie (https://github.com/mxcl/homebrew/pull/24017)
ollyjinx (955de8e93e)

Closes Homebrew/homebrew#23738.
Closes Homebrew/homebrew#24196.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/encfs.rb

@@ -9,10 +9,45 @@ class Encfs < Formula
   depends_on 'gettext'
   depends_on 'boost'
   depends_on 'rlog'
-  depends_on 'fuse4x'
+  depends_on 'osxfuse'
+
+  conflicts_with 'fuse4x'
+
+  # Following patch and changes in install section,
+  # required for better compatibility with OSX, especially OSX 10.9.
+  # Changes are already in usptream and planned to be included in next stable release 1.75.
+  # For more details refer to:
+  # https://code.google.com/p/encfs/issues/detail?id=185#c10
+
+  def patches
+    # Fixes link times and xattr on links for OSX
+    DATA
+  end
 
   def install
-    inreplace "configure", "-lfuse", "-lfuse4x"
+    # Add correct flags for linkage with {osx,}fuse and gettext libs
+    ENV.append 'CPPFLAGS', %x[pkg-config fuse --cflags].chomp + "-I#{Formula.factory('gettext').include}"
+    ENV.append 'LDFLAGS', %x[pkg-config fuse --libs].chomp + "-L#{Formula.factory('gettext').lib}"
+    inreplace "configure", "-lfuse", "-losxfuse"
+
+    # Adapt to changes in recent Xcode by making local copy of endian-ness definitions
+    system "mkdir encfs/sys"
+    system "cp \"$HOMEBREW_SDKROOT/usr/include/sys/_endian.h\" encfs/sys/endian.h"
+
+    # Fix runtime "dyld: Symbol not found" errors
+    # Following 3 ugly inreplaces come instead of big patch
+    inreplace ["encfs/Cipher.cpp", "encfs/CipherFileIO.cpp", "encfs/NullCipher.cpp",
+               "encfs/NullNameIO.cpp", "encfs/SSL_Cipher.cpp"], "using boost::shared_ptr;", ""
+
+    inreplace ["encfs/BlockNameIO.cpp", "encfs/Cipher.cpp", "encfs/CipherFileIO.cpp",
+               "encfs/Context.cpp", "encfs/DirNode.cpp", "encfs/encfs.cpp",
+               "encfs/encfsctl.cpp", "encfs/FileNode.cpp", "encfs/FileUtils.cpp",
+               "encfs/MACFileIO.cpp", "encfs/main.cpp", "encfs/makeKey.cpp",
+               "encfs/NameIO.cpp", "encfs/NullCipher.cpp", "encfs/NullNameIO.cpp",
+               "encfs/SSL_Cipher.cpp", "encfs/StreamNameIO.cpp", "encfs/test.cpp"], "shared_ptr<", "boost::shared_ptr<"
+
+    inreplace ["encfs/Context.cpp", "encfs/encfsctl.cpp", "encfs/FileUtils.cpp"], "boost::boost::shared_ptr<", "boost::shared_ptr<"
+
     system "./configure", "--disable-dependency-tracking",
                           "--prefix=#{prefix}",
                           "--with-boost=#{HOMEBREW_PREFIX}"
@@ -21,8 +56,37 @@ class Encfs < Formula
   end
 
   def caveats; <<-EOS.undent
-    Make sure to follow the directions given by `brew info fuse4x-kext`
+    Make sure to follow the directions given by 'brew info osxfuse'
     before trying to use a FUSE-based filesystem.
     EOS
   end
 end
+
+__END__
+
+--- a/encfs/encfs.cpp
++++ b/encfs/encfs.cpp
+@@ -489,7 +489,11 @@
+ 
+ int _do_chmod(EncFS_Context *, const string &cipherPath, mode_t mode)
+ {
++#ifdef __APPLE__
++    return lchmod( cipherPath.c_str(), mode );
++#else
+     return chmod( cipherPath.c_str(), mode );
++#endif
+ }
+ 
+ int encfs_chmod(const char *path, mode_t mode)
+@@ -706,7 +710,11 @@
+ int _do_setxattr(EncFS_Context *, const string &cyName, 
+ 	tuple<const char *, const char *, size_t, uint32_t> data)
+ {
++#ifdef __APPLE__
++    int options = XATTR_NOFOLLOW;
++#else
+     int options = 0;
++#endif
+     return ::setxattr( cyName.c_str(), data.get<0>(), data.get<1>(), 
+ 	    data.get<2>(), data.get<3>(), options );
+ }