build/toolchain/android/BUILD.gn

# Copyright 2013 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/config/android/config.gni")
import("//build/config/chrome_build.gni")
import("//build/config/clang/clang.gni")
import("//build/config/compiler/compiler.gni")
import("//build/config/ozone.gni")
import("//build/config/sysroot.gni")  # Imports android/config.gni.
import("//build/toolchain/gcc_toolchain.gni")
if (build_with_chromium) {
  import("//third_party/jni_zero/jni_zero.gni")
}

declare_args() {
  # Whether unstripped binaries, i.e. compiled with debug symbols, should be
  # considered runtime_deps rather than stripped ones.
  android_unstripped_runtime_outputs = true
}

template("android_clang_toolchain") {
  clang_toolchain(target_name) {
    assert(defined(invoker.toolchain_args),
           "toolchain_args must be defined for android_clang_toolchain()")

    toolchain_args = {
      forward_variables_from(invoker.toolchain_args, "*")
      current_os = "android"
      use_debug_fission = false
      is_high_end_android = is_high_end_android_secondary_toolchain
    }

    # Output linker map files for binary size analysis.
    enable_linker_map = true

    strip = rebase_path("$clang_base_path/bin/llvm-strip", root_build_dir)

    use_unstripped_as_runtime_outputs = android_unstripped_runtime_outputs

    # Don't use .cr.so for loadable_modules since they are always loaded via
    # absolute path.
    loadable_module_extension = ".so"

    # We propagate configs to allow cross-toolchain JNI include directories to
    # work. This flag does not otherwise affect our build, but if applied to
    # non-android toolchains, it causes unwanted configs from perfetto to
    # propagate from host_toolchain deps.
    propagates_configs = true
  }
}

android_clang_toolchain("android_clang_x86") {
  toolchain_args = {
    current_cpu = "x86"
  }
}

android_clang_toolchain("android_clang_arm") {
  toolchain_args = {
    current_cpu = "arm"
  }
}

android_clang_toolchain("android_clang_mipsel") {
  toolchain_args = {
    current_cpu = "mipsel"
  }
}

android_clang_toolchain("android_clang_x64") {
  toolchain_args = {
    current_cpu = "x64"
  }
}

android_clang_toolchain("android_clang_arm64") {
  toolchain_args = {
    current_cpu = "arm64"
  }
}

android_clang_toolchain("android_clang_arm64_hwasan") {
  toolchain_args = {
    current_cpu = "arm64"
    is_hwasan = true
    android64_ndk_api_level = 29
  }
}

android_clang_toolchain("android_clang_mips64el") {
  toolchain_args = {
    current_cpu = "mips64el"
  }
}

# Placeholder for riscv64 support, not tested since the toolchain is not ready.
android_clang_toolchain("android_clang_riscv64") {
  toolchain_args = {
    current_cpu = "riscv64"
  }
}

# Toolchain for creating native libraries that can be used by
# robolectric_binary targets. It does not emulate NDK APIs nor make available
# NDK header files.
# Targets that opt into defining JNI entrypoints should use the
# //third_party/jdk:jdk config to make jni.h available.
# This toolchain will set:
#   is_linux = true
#   is_android = false
#   is_robolectric = true
clang_toolchain("robolectric_$host_cpu") {
  toolchain_args = {
    current_os = host_os
    current_cpu = host_cpu
    is_robolectric = true
    if (build_with_chromium) {
      # Forwarding this value from the primary toolchain to the secondary
      # robolectric toolchain, since the default depends on is_component_build
      # which can be different between primary and robolectric.
      enable_jni_multiplexing = enable_jni_multiplexing
    }
  }

  # TODO(crbug.com/40283271): Figure out why robolectric tests fail with component builds.
  toolchain_args.is_component_build = false
  shlib_extension = ".so"
}