Fix compilation for OS X.

CMakeLists.txt

@@ -51,12 +51,6 @@ endif (HAVE_GNU11_FLAG)
 find_package (FUSE REQUIRED)
 include_directories (${FUSE_INCLUDE_DIR})
 add_definitions (-D_FILE_OFFSET_BITS=64 -DFUSE_USE_VERSION=26)
-if (APPLE)
-    add_definitions (-D__FreeBSD__=10)
-    # XXX: Fall back to stdc++, due to clang 5.0.1 header file issues
-    # (missing sys/endian.h, needed by standard c++ header files).
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.7")
-endif (APPLE)
 
 # Packaging config.
 set (CPACK_PACKAGE_NAME "Encfs")

encfs/main.cpp

@@ -558,7 +558,7 @@ int main(int argc, char *argv[]) {
   encfs_oper.utimens = encfs_utimens;
 // encfs_oper.bmap = encfs_bmap;
 
-#if (__FreeBSD__ >= 10)
+#if (__FreeBSD__ >= 10) || defined(__APPLE__)
 // encfs_oper.setvolname
 // encfs_oper.exchange
 // encfs_oper.getxtimes

fs/DirNode.cpp

@@ -80,7 +80,7 @@ static bool _nextName(struct dirent *&de, const shared_ptr<DIR> &dir,
 
   if (de) {
     if (fileType) {
-#if defined(_DIRENT_HAVE_D_TYPE) || defined(__FreeBSD__)
+#if defined(_DIRENT_HAVE_D_TYPE) || defined(__FreeBSD__) || defined(__APPLE__)
       *fileType = de->d_type;
 #else
 #warning "struct dirent.d_type not supported"

fs/RawFileIO.cpp

@@ -245,7 +245,7 @@ int RawFileIO::truncate(off_t size) {
 
   if (fd >= 0 && canWrite) {
     res = ::ftruncate(fd, size);
-#ifndef __FreeBSD__
+#if !defined(__FreeBSD__) && !defined(__APPLE__)
     ::fdatasync(fd);
 #endif
   } else