modules/audio_processing/aecm/BUILD.gn

# Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
#
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file in the root of the source
# tree. An additional intellectual property rights grant can be found
# in the file PATENTS.  All contributing project authors may
# be found in the AUTHORS file in the root of the source tree.

import("../../../webrtc.gni")

rtc_source_set("aecm_core") {
  sources = [
    "aecm_core.cc",
    "aecm_core.h",
    "aecm_defines.h",
    "echo_control_mobile.cc",
    "echo_control_mobile.h",
  ]
  deps = [
    "../../..:typedefs",
    "../../../common_audio:common_audio_c",
    "../../../rtc_base:checks",
    "../../../rtc_base:rtc_base_approved",
    "../../../rtc_base:sanitizer",
    "../../../system_wrappers:cpu_features_api",
    "../utility:legacy_delay_estimator",
  ]
  cflags = []

  if (rtc_build_with_neon) {
    sources += [ "aecm_core_neon.cc" ]

    if (current_cpu != "arm64") {
      # Enable compilation for the NEON instruction set. This is needed
      # since //build/config/arm.gni only enables NEON for iOS, not Android.
      # This provides the same functionality as webrtc/build/arm_neon.gypi.
      suppressed_configs += [ "//build/config/compiler:compiler_arm_fpu" ]
      cflags += [ "-mfpu=neon" ]
    }

    # Disable LTO on NEON targets due to compiler bug.
    # TODO(fdegans): Enable this. See crbug.com/408997.
    if (rtc_use_lto) {
      cflags -= [
        "-flto",
        "-ffat-lto-objects",
      ]
    }
  }

  if (current_cpu == "mipsel") {
    sources += [ "aecm_core_mips.cc" ]
  } else {
    sources += [ "aecm_core_c.cc" ]
  }
}