Libmv: Add map utility

intern/libmv/CMakeLists.txt

@@ -150,6 +150,7 @@ if(WITH_LIBMV)
     libmv/autotrack/tracks.h
     libmv/base/aligned_malloc.h
     libmv/base/id_generator.h
+    libmv/base/map.h
     libmv/base/scoped_ptr.h
     libmv/base/vector.h
     libmv/base/vector_utils.h

intern/libmv/files.txt

@@ -16,6 +16,7 @@ libmv/autotrack/tracks_test.cc
 libmv/base/aligned_malloc.cc
 libmv/base/aligned_malloc.h
 libmv/base/id_generator.h
+libmv/base/map.h
 libmv/base/scoped_ptr.h
 libmv/base/scoped_ptr_test.cc
 libmv/base/vector.h

intern/libmv/libmv/base/map.h

@@ -0,0 +1,34 @@
+// Copyright (c) 2020 libmv authors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+
+#ifndef LIBMV_BASE_MAP_H
+#define LIBMV_BASE_MAP_H
+
+#include <map>
+#include <utility>
+
+namespace libmv {
+
+using std::map;
+using std::make_pair;
+
+}  // namespace libmv
+
+#endif  // LIBMV_BASE_MAP_H