crashpad/build/BUILDCONFIG.gn

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Rework GN files to start to support building standalone, and also in Chromium - Adds a .gn and a build/BUILDCONFIG.gn that uses mini_chromium's build/BUILD.gn. - Adds some stub BUILD.gn files in locations where Chromium expects them (in //build, //testing, //third_party) containing empty targets/configs. These are no-ops in standalone builds, but add functionality when building in Chromium. This is in preference to having a global bool that conditionally does Chromium-y things in the Crashpad build files. These stub files are all contained in a secondary source root in build/chromium_compatibility, referred to by //.gn. - Adds //base/BUILD.gn which forwards to mini_chromium/base. This is only used when building standalone so that both Chromium and Crashpad can refer to it as "//base". - Changes references to other Crashpad targets to be relatively specified so that they work when the root of the project is //, and also when it's //third_party/crashpad/crashpad as it is in Chromium. - Moves any error-causing Mac/Win-specific files into explicit if (is_mac) or if (is_win) blocks as part of removing the dependency on set_sources_assignment_filter(). As yet unresolved: - CRASHPAD_IN_CHROMIUM needs to be removed when standalone; to be tackled in a follow up. - Not sure what to do with zlib yet, the build file currently assumes "in Chromium" too, and similarly having Crashpad //third_party/zlib:zlib pointing at itself doesn't work. Bug: crashpad:79 Change-Id: I6a7dda214e4b3b14a60c1ed285267ab97432a1a8 Reviewed-on: https://chromium-review.googlesource.com/777410 Reviewed-by: Mark Mentovai <mark@chromium.org> Reviewed-by: Robert Sesek <rsesek@chromium.org> Commit-Queue: Scott Graham <scottmg@chromium.org>
2017-11-28 10:31:13 -08:00
# Copyright 2017 The Crashpad Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
if (target_os == "") {
target_os = host_os
}
if (current_os == "") {
current_os = target_os
}
declare_args() {
is_debug = false
is_clang = current_os == "mac" || current_os == "fuchsia"
clang_root = ""
}
is_mac = false
is_win = false
is_linux = false
is_android = false
is_fuchsia = false
is_ios = false # This is necessary for third_party/zlib/zlib/BUILD.gn.
if (current_os == "mac") {
is_mac = true
} else if (current_os == "win") {
is_win = true
} else if (current_os == "android") {
is_android = true
} else if (current_os == "linux") {
is_linux = true
} else if (current_os == "fuchsia") {
is_fuchsia = true
}
is_posix = is_mac || is_linux || is_android || is_fuchsia
if (is_win) {
set_default_toolchain(
"//third_party/mini_chromium/mini_chromium/build:msvc_toolchain")
} else {
set_default_toolchain(
"//third_party/mini_chromium/mini_chromium/build:gcc_like_toolchain")
}
set_defaults("static_library") {
configs = [
"//third_party/mini_chromium/mini_chromium/build:default",
# This (no-op) is added here so that build files that expect to be able to
# remove it can do so without causing an error.
"//build/config/compiler:chromium_code",
]
}