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diff --git a/externals/breakpad/src/common/mac/file_id.h b/externals/breakpad/src/common/mac/file_id.h
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+// Copyright 2006 Google LLC
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google LLC nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// file_id.h: Return a unique identifier for a file
+//
+// Author: Dan Waylonis
+
+#ifndef COMMON_MAC_FILE_ID_H__
+#define COMMON_MAC_FILE_ID_H__
+
+#include <limits.h>
+#include <mach/machine.h>
+#include <stddef.h>
+
+namespace google_breakpad {
+namespace mach_o {
+
+class FileID {
+ public:
+  // Constructs a FileID given a path to a file
+  FileID(const char* path);
+
+  // Constructs a FileID given the contents of a file and its size.
+  FileID(void* memory, size_t size);
+  ~FileID() {}
+
+  // Treat the file as a mach-o file that will contain one or more archicture.
+  // Accepted values for |cpu_type| and |cpu_subtype| (e.g., CPU_TYPE_X86 or
+  // CPU_TYPE_POWERPC) are listed in /usr/include/mach/machine.h.
+  // If |cpu_type| is 0, then the native cpu type is used. If |cpu_subtype| is
+  // CPU_SUBTYPE_MULTIPLE, the match is only done on |cpu_type|.
+  // Returns false if opening the file failed or if the |cpu_type|/|cpu_subtype|
+  // is not present in the file.
+  // Return the unique identifier in |identifier|.
+  // The current implementation will look for the (in order of priority):
+  // LC_UUID, LC_ID_DYLIB, or MD5 hash of the given |cpu_type|.
+  bool MachoIdentifier(cpu_type_t cpu_type,
+                       cpu_subtype_t cpu_subtype,
+                       unsigned char identifier[16]);
+
+  // Convert the |identifier| data to a NULL terminated string.  The string will
+  // be formatted as a UUID (e.g., 22F065BB-FC9C-49F7-80FE-26A7CEBD7BCE).
+  // The |buffer| should be at least 37 bytes long to receive all of the data
+  // and termination.  Shorter buffers will contain truncated data.
+  static void ConvertIdentifierToString(const unsigned char identifier[16],
+                                        char *buffer, int buffer_length);
+
+ private:
+  // Storage for the path specified
+  char path_[PATH_MAX];
+
+  // Storage for contents of a file if this instance is used to operate on in
+  // memory file data rather than directly from a filesystem. If memory_ is
+  // null, the file represented by path_ will be opened/read. If memory_ is
+  // non-null, it is assumed to contain valid data, and no file operations will
+  // occur.
+  void* memory_;
+
+  // Size of memory_
+  size_t size_;
+};
+
+}  // namespace mach_o
+}  // namespace google_breakpad
+
+#endif  // COMMON_MAC_FILE_ID_H__