dcheck_always_on.gni (1875B)
1 # Copyright 2016 The Chromium Authors 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 # TODO(crbug.com/40191347): Until the bug is resolved we need to include 6 # gclient_args for the definition of build_with_chromium and build_overrides 7 # for client overrides of that flag. The latter should go away. 8 import("//chromium/build/config/gclient_args.gni") 9 import("//build_overrides/build.gni") 10 declare_args() { 11 # Enables DCHECKs to be built-in, but to default to being non-fatal/log-only. 12 # DCHECKS can then be set as fatal/non-fatal via the "DcheckIsFatal" feature. 13 # See https://bit.ly/dcheck-albatross for details on how this is used. 14 dcheck_is_configurable = false 15 } 16 17 declare_args() { 18 # Set to false to disable DCHECK in Release builds. This is enabled by default 19 # for non-official builds on the below platforms. 20 # This default only affects Chromium as indicated by build_with_chromium. 21 # Other clients typically set this to false. If another client wants to use 22 # the same default value as Chromium, we'd need to add a separate gclient 23 # variable to replace build_with_chromium here. 24 dcheck_always_on = 25 (build_with_chromium && !is_official_build) || dcheck_is_configurable 26 } 27 28 declare_args() { 29 # Set to false to disable EXPENSIVE_DCHECK()s or to true to enable them in 30 # official builds. These are generally used for really useful DCHECKs that are 31 # too expensive to be enabled in user-facing official+DCHECK builds. 32 enable_expensive_dchecks = 33 is_debug || (dcheck_always_on && !is_official_build) 34 } 35 36 assert(!dcheck_is_configurable || (dcheck_always_on || is_debug), 37 "dcheck_is_configurable only makes sense with DCHECKs enabled") 38 assert(!enable_expensive_dchecks || (dcheck_always_on || is_debug), 39 "enable_expensive_dchecks only makes sense with DCHECKs enabled")