b6168e1223
This patch re-lands #36193 with a couple of minor tweaks including updating the BUILD.gn file to use the new variable name and incorporating thakis' request to support cross-compiling the win snapshot from a mac. R=thakis@chromium.org, jochen@chromium.org, machenbach@chromium.org BUG=608596, 595653 CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:chromeos_daisy_chromium_compile_only_ng Review-Url: https://codereview.chromium.org/1979883002 Cr-Commit-Position: refs/heads/master@{#36342}
72 lines
3.3 KiB
Plaintext
72 lines
3.3 KiB
Plaintext
# Copyright 2015 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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declare_args() {
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# The snapshot needs to be compiled for the host, but compiled with
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# a toolchain that matches the bit-width of the target.
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v8_snapshot_toolchain = ""
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}
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# TODO(GYP): For now we only support 32-bit little-endian target builds from an
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# x64 Linux host. Eventually we need to support all of the host/target
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# configurations v8 runs on.
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if (v8_snapshot_toolchain == "") {
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if (host_cpu == "x64" && host_os == "linux") {
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if (target_cpu == "arm" || target_cpu == "mipsel" || target_cpu == "x86") {
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if (target_os == "android" || is_clang) {
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v8_snapshot_toolchain = "//build/toolchain/linux:clang_x86"
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} else if (target_os == "chromeos") {
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# TODO(dpranke): crbug.com/608596: Remove this clause once the
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# CrOS ebuilds are setting v8_snapshot_toolchain directly and
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# we've cleaned up the sysroot settings in //build.
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v8_snapshot_toolchain = "//build/toolchain/linux:clang_x86"
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} else {
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v8_snapshot_toolchain = "//build/toolchain/linux:x86"
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}
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} else if (target_cpu == "x64" || target_cpu == "arm64" ||
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target_cpu == "mips64el") {
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if (target_os == "android" || is_clang) {
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v8_snapshot_toolchain = "//build/toolchain/linux:clang_x64"
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} else {
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v8_snapshot_toolchain = "//build/toolchain/linux:x64"
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}
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} else {
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assert(false, "Need environment for this arch: $target_cpu")
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}
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} else if (host_os == "mac" && target_os == "win") {
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v8_snapshot_toolchain = "//build/toolchain/mac:clang_$target_cpu"
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} else {
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v8_snapshot_toolchain = default_toolchain
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}
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}
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# TODO(dpranke): snapshot_toolchain is provided for backwards compatibility
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# and should be removed once all callers are updated to refer to
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# v8_snapshot_toolchain directly.
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snapshot_toolchain = v8_snapshot_toolchain
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