third_party/highway/BUILD.gn

# Copyright 2020 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# This config is applied to targets that depend on libhwy
config("libhwy_external_config") {
  include_dirs = [ "src" ]
  defines = []
  if (target_cpu == "x86") {
    # Highway automatically disables AVX2 and AVX3 targets when compiling in
    # 32-bit mode due to bugs in the generated code. However, when doing so it
    # prints a warning (#pragma message). This flag silences that warning by
    # explicitly disabling AVX2 and AVX3 targets.
    defines += [ "HWY_BROKEN_TARGETS=(HWY_AVX2|HWY_AVX3)" ]
  }
}

source_set("libhwy") {
  sources = [
    "src/hwy/aligned_allocator.cc",
    "src/hwy/targets.cc",
  ]

  public_configs = [ ":libhwy_external_config" ]
}