Move aom source to a sub-directory under media/libaom

There is no damned reason to treat this differently than any other media lib given its license and there never was.

1 files changed, 38 insertions, 0 deletions

diff --git a/media/libaom/src/build/cmake/sanitizers.cmake b/media/libaom/src/build/cmake/sanitizers.cmake
new file mode 100644
index 000000000..77708e101
--- /dev/null
+++ b/media/libaom/src/build/cmake/sanitizers.cmake
@@ -0,0 +1,38 @@
+#
+# 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(AOM_BUILD_CMAKE_SANITIZERS_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_SANITIZERS_CMAKE_
+set(AOM_BUILD_CMAKE_SANITIZERS_CMAKE_ 1)
+
+if(MSVC OR NOT SANITIZE)
+  return()
+endif()
+
+include("${AOM_ROOT}/build/cmake/compiler_flags.cmake")
+
+string(TOLOWER ${SANITIZE} SANITIZE)
+
+# Require the sanitizer requested.
+require_linker_flag("-fsanitize=${SANITIZE}")
+require_compiler_flag("-fsanitize=${SANITIZE}" YES)
+
+# Make callstacks accurate.
+require_compiler_flag("-fno-omit-frame-pointer -fno-optimize-sibling-calls" YES)
+
+# Fix link errors due to missing rt compiler lib in 32-bit builds.
+# http://llvm.org/bugs/show_bug.cgi?id=17693
+if(CMAKE_C_COMPILER_ID MATCHES "Clang")
+  if(${CMAKE_SIZEOF_VOID_P} EQUAL 4 AND "${SANITIZE}" MATCHES
+     "integer|undefined")
+    require_linker_flag("--rtlib=compiler-rt -lgcc_s")
+  endif()
+endif()