commit 9a628f107015b14207990b92c92774c1fd4c2192
Author: Dhruva Krishnamurth <dhruvakm@gmail.com>
Date:   Fri Apr 13 20:22:47 2018 -0700

    Use darwin SDK on 10.13.4, stub out some warnings to avoid having to fix them

diff --git a/cc/config/clang.go b/cc/config/clang.go
index b78e1fc3..9dc221fc 100644
--- a/cc/config/clang.go
+++ b/cc/config/clang.go
@@ -115,11 +115,15 @@ func init() {
 		// Turn off -Wthread-safety-negative, to avoid breaking projects that use -Weverything.
 		"-D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS",
 		"-Wno-thread-safety-negative",
+
+		// Stub to avoid fixing them on darwin
+		"-Wno-zero-as-null-pointer-constant",
+		"-Wno-tautological-constant-compare",
+		"-Wdelete-non-virtual-dtor",
 	}, " "))
 
 	pctx.StaticVariable("ClangExtraTargetCflags", strings.Join([]string{
 		"-nostdlibinc",
-		"-fsanitize=local-init",
 	}, " "))
 
 	pctx.StaticVariable("ClangExtraNoOverrideCflags", strings.Join([]string{
diff --git a/cc/config/x86_darwin_host.go b/cc/config/x86_darwin_host.go
index bb751feb..ff2b3f0d 100644
--- a/cc/config/x86_darwin_host.go
+++ b/cc/config/x86_darwin_host.go
@@ -89,6 +89,7 @@ var (
 		"10.10",
 		"10.11",
 		"10.12",
+		"10.13",
 	}
 
 	darwinAvailableLibraries = append(