Add compat to Crashpad

compat/mac/mach-o/loader.h

+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef CRASHPAD_COMPAT_MAC_MACH_O_LOADER_H_
+#define CRASHPAD_COMPAT_MAC_MACH_O_LOADER_H_
+
+#include_next <mach-o/loader.h>
+
+// 10.7 SDK
+
+#ifndef S_THREAD_LOCAL_ZEROFILL
+#define S_THREAD_LOCAL_ZEROFILL 0x12
+#endif
+
+// 10.8 SDK
+
+#ifndef LC_SOURCE_VERSION
+#define LC_SOURCE_VERSION 0x2a
+#endif
+
+#endif  // CRASHPAD_COMPAT_MAC_MACH_O_LOADER_H_