1# Copyright 2015 the V8 project authors. All rights reserved.
2# Redistribution and use in source and binary forms, with or without
3# modification, are permitted provided that the following conditions are
4# met:
5#
6#     * Redistributions of source code must retain the above copyright
7#       notice, this list of conditions and the following disclaimer.
8#     * Redistributions in binary form must reproduce the above
9#       copyright notice, this list of conditions and the following
10#       disclaimer in the documentation and/or other materials provided
11#       with the distribution.
12#     * Neither the name of Google Inc. nor the names of its
13#       contributors may be used to endorse or promote products derived
14#       from this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28# The snapshot needs to be compiled for the host, but compiled with
29# a toolchain that matches the bit-width of the target.
30
31# TODO(GYP): For now we only support 32-bit little-endian target builds from an
32# x64 Linux host. Eventually we need to support all of the host/target
33# configurations v8 runs on.
34if (host_cpu == "x64" && host_os == "linux") {
35  if (target_cpu == "arm" || target_cpu == "mipsel" || target_cpu == "x86") {
36    snapshot_toolchain = "//build/toolchain/linux:clang_x86"
37  } else if (target_cpu == "x64" || target_cpu == "arm64" || target_cpu == "mips64el") {
38    snapshot_toolchain = "//build/toolchain/linux:clang_x64"
39  } else {
40    assert(false, "Need environment for this arch: $target_cpu")
41  }
42} else {
43  snapshot_toolchain = default_toolchain
44}
45
46
47