3 files changed, 22 insertions, 9 deletions
diff --git a/lib/Support/Unix/DynamicLibrary.inc b/lib/Support/Unix/DynamicLibrary.inc
index aad77f19c35a5..f05103ccd1ebe 100644
--- a/lib/Support/Unix/DynamicLibrary.inc
+++ b/lib/Support/Unix/DynamicLibrary.inc
@@ -20,6 +20,9 @@ DynamicLibrary::HandleSet::~HandleSet() {
     ::dlclose(Handle);
   if (Process)
     ::dlclose(Process);
+
+  // llvm_shutdown called, Return to default
+  DynamicLibrary::SearchOrder = DynamicLibrary::SO_Linker;
 }
 
 void *DynamicLibrary::HandleSet::DLOpen(const char *File, std::string *Err) {
diff --git a/lib/Support/Unix/Host.inc b/lib/Support/Unix/Host.inc
index 0ba6a25aa198d..5580e63893c6d 100644
--- a/lib/Support/Unix/Host.inc
+++ b/lib/Support/Unix/Host.inc
@@ -34,18 +34,31 @@ static std::string getOSVersion() {
   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.
+static std::string updateTripleOSVersion(std::string TargetTripleString) {
+  // 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 TargetTripleString;
+  }
+  std::string::size_type MacOSDashIdx = TargetTripleString.find("-macos");
+  if (MacOSDashIdx != std::string::npos) {
+    TargetTripleString.resize(MacOSDashIdx);
+    // Reset the OS to darwin as the OS version from `uname` doesn't use the
+    // macOS version scheme.
+    TargetTripleString += "-darwin";
+    TargetTripleString += getOSVersion();
   }
+  return TargetTripleString;
+}
+
+std::string sys::getDefaultTargetTriple() {
+  std::string TargetTripleString =
+      updateTripleOSVersion(LLVM_DEFAULT_TARGET_TRIPLE);
 
-  // Override the default target with an environment variable named by LLVM_TARGET_TRIPLE_ENV.
+  // Override the default target with an environment variable named by
+  // LLVM_TARGET_TRIPLE_ENV.
 #if defined(LLVM_TARGET_TRIPLE_ENV)
   if (const char *EnvTriple = std::getenv(LLVM_TARGET_TRIPLE_ENV))
     TargetTripleString = EnvTriple;
diff --git a/lib/Support/Unix/Program.inc b/lib/Support/Unix/Program.inc
index 1704fa4799428..c866d5b5a84ef 100644
--- a/lib/Support/Unix/Program.inc
+++ b/lib/Support/Unix/Program.inc
@@ -40,9 +40,6 @@
 #include <unistd.h>
 #endif
 #ifdef HAVE_POSIX_SPAWN
-#ifdef __sun__
-#define  _RESTRICT_KYWD
-#endif
 #include <spawn.h>
 
 #if defined(__APPLE__)