Put Darwin-specific code inside an __APPLE__ ifdef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137137 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Unix/Host.inc b/lib/Support/Unix/Host.inc
index 0f3e31a..744fb9e 100644
--- a/lib/Support/Unix/Host.inc
+++ b/lib/Support/Unix/Host.inc
@@ -29,10 +29,12 @@
static std::string getOSVersion() {
struct utsname info;
+#ifdef __APPLE__
// Recognize UNAME_RELEASE environment variable to match Darwin uname.
const char *UnameOverride = ::getenv("UNAME_RELEASE");
if (UnameOverride && UnameOverride[0] != '\0')
return UnameOverride;
+#endif // __APPLE__
if (uname(&info))
return "";