1 files changed, 49 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Support/Unix/Host.inc b/contrib/llvm/lib/Support/Unix/Host.inc
new file mode 100644
index 000000000000..457217125a22
--- /dev/null
+++ b/contrib/llvm/lib/Support/Unix/Host.inc
@@ -0,0 +1,49 @@
+//===- llvm/Support/Unix/Host.inc -------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the UNIX Host support.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+//=== WARNING: Implementation here must contain only generic UNIX code that
+//===          is guaranteed to work on *all* UNIX variants.
+//===----------------------------------------------------------------------===//
+
+#include "Unix.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Config/config.h"
+#include <cctype>
+#include <string>
+#include <sys/utsname.h>
+
+using namespace llvm;
+
+static std::string getOSVersion() {
+  struct utsname info;
+
+  if (uname(&info))
+    return "";
+
+  return info.release;
+}
+
+std::string sys::getDefaultTargetTriple() {
+  std::string TargetTripleString(LLVM_DEFAULT_TARGET_TRIPLE);
+
+  // On darwin, we want to update the version to match that of the
+  // target.
+  std::string::size_type DarwinDashIdx = TargetTripleString.find("-darwin");
+  if (DarwinDashIdx != std::string::npos) {
+    TargetTripleString.resize(DarwinDashIdx + strlen("-darwin"));
+    TargetTripleString += getOSVersion();
+  }
+
+  return Triple::normalize(TargetTripleString);
+}