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. 34 if (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