chromium-src-build/toolchain/android/BUILD.gn

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# 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/android/config.gni")
import("//build/toolchain/clang.gni")
import("//build/toolchain/goma.gni")
import("//build/toolchain/gcc_toolchain.gni")
# Get the Android version of the name of the build host's architecture.
if (build_cpu_arch == "x64") {
android_host_arch = "x86_64"
} else if (build_cpu_arch == "x86") {
android_host_arch = "x86"
} else {
assert(false, "Need Android toolchain support for your build OS.")
}
if (is_gyp) {
# Set the compilers for GYP to use. This logic is only relevant to GYP where
# there is "a" target compiler. In native GN builds, we have separate
# compilers for the toolchains below, any or all of which could be active in
# any given build.
if (is_clang) {
# Set the GYP header for all toolchains when running under Clang.
make_global_settings = make_clang_global_settings
} else {
# Find the compiler for GYP for non-Clang Android.
if (cpu_arch == "x86") {
android_toolchain_arch = "x86-4.6"
} else if (cpu_arch == "arm") {
android_toolchain_arch = "arm-linux-androideabi-4.6"
} else if (cpu_arch == "mipsel") {
android_toolchain_arch = "mipsel-linux-android-4.6"
} else {
assert(false, "Need Android toolchain support for your platform.")
}
# The extra slash before "toolchains" is because GYP generates this and we
# have to match the make_global_settings character-for-character,
# TODO(brettw) remove extra slash before toolchains when GYP compat is no
# longer necessary.
android_toolchain =
"$android_ndk_root//toolchains/$android_toolchain_arch/prebuilt/$build_os-$android_host_arch/bin"
# This script will find the compilers for the given Android toolchain
# directory.
android_compilers = exec_script("find_android_compiler.py",
[android_toolchain], "value")
make_global_settings =
"['CC', '" + android_compilers[0] + "']," +
"['CXX', '" + android_compilers[1] + "']," +
"['CC.host', '" + android_compilers[2] + "']," +
"['CXX.host', '" + android_compilers[3] + "'],"
}
if (use_goma) {
# There is a TODO(yyanagisawa) in common.gypi about the make generator not
# supporting CC_wrapper without CC. As a result, we must add a condition
# when on the generator when we're not explicitly setting the variables
# above (which happens when gyp_header is empty at this point).
#
# GYP will interpret the file once for each generator, so we have to write
# this condition into the GYP file since the user could have more than one
# generator set.
gyp_header =
"'conditions': [" +
"['\"<(GENERATOR)\"==\"ninja\"', { 'make_global_settings': [" +
make_global_settings +
make_goma_global_settings +
"]}]],"
} else {
gyp_header = "'make_global_settings': [" + make_global_settings + "],"
}
}
gcc_toolchain("x86") {
prefix = "$android_ndk_root/toolchains/x86-4.6/prebuilt/$build_os-$android_host_arch/bin/i686-linux-android-"
cc = prefix + "gcc"
cxx = prefix + "g++"
ar = prefix + "ar"
ld = cxx
toolchain_cpu_arch = "x86"
toolchain_os = "android"
}
gcc_toolchain("arm") {
prefix = "$android_ndk_root/toolchains/arm-linux-androideabi-4.6/prebuilt/$build_os-$android_host_arch/bin/arm-linux-androideabi-"
cc = prefix + "gcc"
cxx = prefix + "g++"
ar = prefix + "ar"
ld = cxx
toolchain_cpu_arch = "arm"
toolchain_os = "android"
}
gcc_toolchain("mipsel") {
prefix = "$android_ndk_root/toolchains/mipsel-linux-android-4.6/prebuilt/$build_os-$android_host_arch/bin/mipsel-linux-android-"
cc = prefix + "gcc"
cxx = prefix + "g++"
ar = prefix + "ar"
ld = cxx
toolchain_cpu_arch = "mipsel"
toolchain_os = "android"
}