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# Copyright 2015 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# The snapshot needs to be compiled for the host, but compiled with
# a toolchain that matches the bit-width of the target.
# TODO(GYP): For now we only support 32-bit little-endian target builds from an
# x64 Linux host. Eventually we need to support all of the host/target
# configurations v8 runs on.
if (host_cpu == "x64" && host_os == "linux") {
if (target_cpu == "arm" || target_cpu == "mipsel" || target_cpu == "x86") {
snapshot_toolchain = "//build/toolchain/linux:clang_x86"
} else if (target_cpu == "x64" || target_cpu == "arm64" || target_cpu == "mips64el") {
snapshot_toolchain = "//build/toolchain/linux:clang_x64"
} else {
assert(false, "Need environment for this arch: $target_cpu")
}
} else {
snapshot_toolchain = default_toolchain
}
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