[llvm] r201255 - _CS_DARWIN_USER macros available on darwin>=9. Thanks, Dave Odell!

[David Fang]

Author: fangism
Date: Wed Feb 12 15:02:12 2014
New Revision: 201255

URL: http://llvm.org/viewvc/llvm-project?rev=201255&view=rev
Log:
_CS_DARWIN_USER macros available on darwin>=9.  Thanks, Dave Odell!

Modified:
    llvm/trunk/lib/Support/Path.cpp

Modified: llvm/trunk/lib/Support/Path.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Path.cpp?rev=201255&r1=201254&r2=201255&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Path.cpp (original)
+++ llvm/trunk/lib/Support/Path.cpp Wed Feb 12 15:02:12 2014
@@ -508,8 +508,9 @@ bool is_separator(char value) {
 void system_temp_directory(bool erasedOnReboot, SmallVectorImpl<char> &result) {
   result.clear();
 
-#ifdef __APPLE__
+#if defined(_CS_DARWIN_USER_TEMP_DIR) && defined(_CS_DARWIN_USER_CACHE_DIR)
   // On Darwin, use DARWIN_USER_TEMP_DIR or DARWIN_USER_CACHE_DIR.
+  // macros defined in <unistd.h> on darwin >= 9
   int ConfName = erasedOnReboot? _CS_DARWIN_USER_TEMP_DIR
                                : _CS_DARWIN_USER_CACHE_DIR;
   size_t ConfLen = confstr(ConfName, 0, 0);