build/toolchain/android/BUILD.gn

# Copyright 2013 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.

import("//build/config/sysroot.gni")  # Imports android/config.gni.
import("//build/toolchain/gcc_toolchain.gni")

# The Android GCC toolchains share most of the same parameters, so we have this
# wrapper around gcc_toolchain to avoid duplication of logic.
#
# Parameters:
#  - android_ndk_sysroot
#      Sysroot for this architecture.
#  - android_ndk_lib_dir
#      Subdirectory inside of android_ndk_sysroot where libs go.
#  - toolchain_cpu
#      Same as gcc_toolchain
template("android_gcc_toolchain") {
  gcc_toolchain(target_name) {
    # Make our manually injected libs relative to the build dir.
    android_ndk_lib = rebase_path(
            invoker.android_ndk_sysroot + "/" + invoker.android_ndk_lib_dir,
            root_build_dir)

    libs_section_prefix = "$android_ndk_lib/crtbegin_dynamic.o"
    libs_section_postfix = "$android_ndk_lib/crtend_android.o"

    solink_libs_section_prefix = "$android_ndk_lib/crtbegin_so.o"
    solink_libs_section_postfix = "$android_ndk_lib/crtend_so.o"

    # The tools should be run relative to the build dir.
    tool_prefix = rebase_path("$android_tool_prefix", root_build_dir)

    is_clang = invoker.is_clang
    if (is_clang) {
      prefix = rebase_path("//third_party/llvm-build/Release+Asserts/bin",
                           root_build_dir)
      cc = "$prefix/clang"
      cxx = "$prefix/clang++"
    } else {
      cc = "${tool_prefix}gcc"
      cxx = "${tool_prefix}g++"
    }
    ar = tool_prefix + "ar"
    ld = cxx
    readelf = tool_prefix + "readelf"
    nm = tool_prefix + "nm"
    strip = "${tool_prefix}strip"

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

    toolchain_os = "android"
    toolchain_cpu = invoker.toolchain_cpu
  }
}

template("android_gcc_toolchains_helper") {
  android_gcc_toolchain(target_name) {
    android_ndk_sysroot = invoker.android_ndk_sysroot
    android_ndk_lib_dir = invoker.android_ndk_lib_dir
    toolchain_cpu = invoker.toolchain_cpu
  }

  android_gcc_toolchain("clang_$target_name") {
    android_ndk_sysroot = invoker.android_ndk_sysroot
    android_ndk_lib_dir = invoker.android_ndk_lib_dir
    toolchain_cpu = invoker.toolchain_cpu
    is_clang = true
  }
}

android_gcc_toolchains_helper("x86") {
  android_ndk_sysroot = "$android_ndk_root/$x86_android_sysroot_subdir"
  android_ndk_lib_dir = "usr/lib"

  toolchain_cpu = "x86"
}

android_gcc_toolchains_helper("arm") {
  android_ndk_sysroot = "$android_ndk_root/$arm_android_sysroot_subdir"
  android_ndk_lib_dir = "usr/lib"

  toolchain_cpu = "arm"
}

android_gcc_toolchains_helper("mipsel") {
  android_ndk_sysroot = "$android_ndk_root/$mips_android_sysroot_subdir"
  android_ndk_lib_dir = "usr/lib"

  toolchain_cpu = "mipsel"
}

android_gcc_toolchains_helper("x64") {
  android_ndk_sysroot = "$android_ndk_root/$x86_64_android_sysroot_subdir"
  android_ndk_lib_dir = "usr/lib64"

  toolchain_cpu = "x86_64"
}

android_gcc_toolchains_helper("arm64") {
  android_ndk_sysroot = "$android_ndk_root/$arm64_android_sysroot_subdir"
  android_ndk_lib_dir = "usr/lib"

  toolchain_cpu = "aarch64"
}

android_gcc_toolchains_helper("mips64el") {
  android_ndk_sysroot = "$android_ndk_root/$mips64_android_sysroot_subdir"
  android_ndk_lib_dir = "usr/lib64"

  toolchain_cpu = "mipsel64el"
}