Update aom to commit id f5bdeac22930ff4c6b219be49c843db35970b918

1 files changed, 30 insertions, 0 deletions

diff --git a/third_party/aom/build/cmake/util.cmake b/third_party/aom/build/cmake/util.cmake
new file mode 100644
index 000000000..62841a63b
--- /dev/null
+++ b/third_party/aom/build/cmake/util.cmake
@@ -0,0 +1,30 @@
+##
+## Copyright (c) 2017, Alliance for Open Media. All rights reserved
+##
+## This source code is subject to the terms of the BSD 2 Clause License and
+## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+## was not distributed with this source code in the LICENSE file, you can
+## obtain it at www.aomedia.org/license/software. If the Alliance for Open
+## Media Patent License 1.0 was not distributed with this source code in the
+## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+##
+if (NOT AOM_BUILD_CMAKE_UTIL_CMAKE_)
+set(AOM_BUILD_CMAKE_UTIL_CMAKE_ 1)
+
+function (create_dummy_source_file basename extension out_file_path)
+  set(dummy_source_file "${AOM_CONFIG_DIR}/${basename}.${extension}")
+   file(WRITE "${dummy_source_file}"
+       "// Generated file. DO NOT EDIT!\n"
+       "// ${target_name} needs a ${extension} file to force link language, \n"
+       "// or to silence a harmless CMake warning: Ignore me.\n"
+       "void ${target_name}_dummy_function(void) {}\n")
+  set(${out_file_path} ${dummy_source_file} PARENT_SCOPE)
+endfunction ()
+
+function (add_dummy_source_file_to_target target_name extension)
+  create_dummy_source_file("${target_name}" "${extension}" "dummy_source_file")
+  target_sources(${target_name} PRIVATE ${dummy_source_file})
+endfunction ()
+
+endif()  # AOM_BUILD_CMAKE_UTIL_CMAKE_
+