Solaris port.  Currently sees around 200 test failures, mostly related to
Solaris not providing some of the locales that the test suite uses.

Note: This depends on an xlocale (partial) implementation for Solaris and a
couple of fixed standard headers.  These will be committed to a branch later
today.

llvm-svn: 151720
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 14c25b80e9be5aab9b503a53f810c5bbffe4d632
diff --git a/src/thread.cpp b/src/thread.cpp
index cc8c327..f27136a 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -12,7 +12,7 @@
 #include "vector"
 #include "future"
 #include <sys/types.h>
-#if !_WIN32
+#if !_WIN32 && !__sun__
 #include <sys/sysctl.h>
 #endif // _WIN32