1 files changed, 40 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/config/dcheck_always_on.gni b/third_party/libwebrtc/build/config/dcheck_always_on.gni
new file mode 100644
index 0000000000..0e8443f907
--- /dev/null
+++ b/third_party/libwebrtc/build/config/dcheck_always_on.gni
@@ -0,0 +1,40 @@
+# Copyright (c) 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# TODO(crbug.com/1233050): Until the bug is resolved we need to include
+# gclient_args for the definition of build_with_chromium and build_overrides
+# for client overrides of that flag. The latter should go away.
+import("//build/config/gclient_args.gni")
+import("//build_overrides/build.gni")
+declare_args() {
+  # Enables DCHECKs to be built-in, but to default to being non-fatal/log-only.
+  # DCHECKS can then be set as fatal/non-fatal via the DCheckIsFatal feature.
+  # See https://bit.ly/dcheck-albatross for details on how this is used.
+  dcheck_is_configurable = false
+}
+
+declare_args() {
+  # Set to false to disable DCHECK in Release builds. This is enabled by default
+  # for non-official builds on the below platforms.
+  # This default only affects Chromium as indicated by build_with_chromium.
+  # Other clients typically set this to false. If another client wants to use
+  # the same default value as Chromium, we'd need to add a separate gclient
+  # variable to replace build_with_chromium here.
+  # Note: If you are here to revert because DCHECKs are failing on a specific OS
+  # please prefer excluding OSes rather than reverting . I.e. if Mac builds
+  # break badly but other platforms are reasonably stable, add "&& !is_mac"
+  # instead of reverting.
+  dcheck_always_on =
+      (build_with_chromium && !is_official_build) || dcheck_is_configurable
+}
+
+declare_args() {
+  # Set to false to disable EXPENSIVE_DCHECK()s.
+  # TODO(crbug.com/1225701): Hash out whether expensive DCHECKs need to be
+  # disabled for developers by default. There's concern that disabling these
+  # globally by default effectively reduces them to zero coverage. This is
+  # in place so that you can disable expensive DCHECKs while retaining some
+  # DCHECK coverage, which is especially important in user-facing builds.
+  enable_expensive_dchecks = is_debug || dcheck_always_on
+}