third_party/cpu_features/BUILD.gn

# Copyright 2023 The PDFium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

config("cpu_features_config") {
  cflags = [ "-Wno-unused-function" ]
  defines = [
    "STACK_LINE_READER_BUFFER_SIZE=1024",
    "HAVE_STRONG_GETAUXVAL",
  ]
  include_dirs = [ "src/include" ]
}

config("ndk_compat_headers") {
  include_dirs = [ "src/ndk_compat" ]
}

source_set("cpuinfo") {
  sources = [
    "src/src/copy.inl",
    "src/src/define_introspection.inl",
    "src/src/define_introspection_and_hwcaps.inl",
    "src/src/equals.inl",
    "src/src/filesystem.c",
    "src/src/hwcaps.c",
    "src/src/stack_line_reader.c",
    "src/src/string_view.c",
  ]
  if (current_cpu == "x86" || current_cpu == "x64") {
    sources += [
      "src/src/impl_x86__base_implementation.inl",
      "src/src/impl_x86_freebsd.c",
      "src/src/impl_x86_linux_or_android.c",
      "src/src/impl_x86_macos.c",
      "src/src/impl_x86_windows.c",
    ]
  } else if (current_cpu == "arm") {
    sources += [ "src/src/impl_arm_linux_or_android.c" ]
  } else if (current_cpu == "arm64") {
    sources += [ "src/src/impl_aarch64_linux_or_android.c" ]
  } else if (current_cpu == "mips") {
    sources += [ "src/src/impl_mips_linux_or_android.c" ]
  } else if (current_cpu == "ppc") {
    sources += [ "src/src/impl_ppc_linux.c" ]
  } else if (current_cpu == "riscv64") {
    sources += [ "src/src/impl_riscv_linux.c" ]
  } else {
    error("Missing definition for architecture: $current_cpu")
  }
  configs += [ ":cpu_features_config" ]
}

source_set("ndk_compat") {
  sources = [
    "src/ndk_compat/cpu-features.c",
    "src/ndk_compat/cpu-features.h",
  ]
  configs += [ ":cpu_features_config" ]
  public_configs = [ ":ndk_compat_headers" ]
  deps = [ ":cpuinfo" ]
}