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#!/bin/bash
# Copyright (c) 2012 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.
# Sets up environment for building Chromium on Android. It can either be
# compiled with the Android tree or using the Android SDK/NDK. To build with
# NDK/SDK: ". build/android/envsetup.sh". Environment variable
# ANDROID_SDK_BUILD=1 will then be defined and used in the rest of the setup to
# specifiy build type.
# Make sure we're being sourced (possibly by another script). Check for bash
# since zsh sets $0 when sourcing.
if [[ -n "$BASH_VERSION" && "${BASH_SOURCE:-$0}" == "$0" ]]; then
echo "ERROR: envsetup must be sourced."
exit 1
fi
# Source functions script. The file is in the same directory as this script.
SCRIPT_DIR="$(dirname "${BASH_SOURCE:-$0}")"
. "${SCRIPT_DIR}"/envsetup_functions.sh
export ANDROID_SDK_BUILD=1 # Default to SDK build.
process_options "$@"
# When building WebView as part of Android we can't use the SDK. Other builds
# default to using the SDK.
if [[ "${CHROME_ANDROID_BUILD_WEBVIEW}" -eq 1 ]]; then
export ANDROID_SDK_BUILD=0
fi
if [[ "${ANDROID_SDK_BUILD}" -ne 1 ]]; then
echo "Initializing for non-SDK build."
fi
# Get host architecture, and abort if it is 32-bit, unless --try-32
# is also used.
host_arch=$(uname -m)
case "${host_arch}" in
x86_64) # pass
;;
i?86)
if [[ -z "${try_32bit_host_build}" ]]; then
echo "ERROR: Android build requires a 64-bit host build machine."
echo "If you really want to try it on this machine, use the \
--try-32bit-host flag."
echo "Be warned that this may fail horribly at link time, due \
very large binaries."
return 1
else
echo "WARNING: 32-bit host build enabled. Here be dragons!"
host_arch=x86
fi
;;
*)
echo "ERROR: Unsupported host architecture (${host_arch})."
echo "Try running this script on a Linux/x86_64 machine instead."
return 1
esac
case "${host_os}" in
"linux")
toolchain_dir="linux-${host_arch}"
;;
"mac")
toolchain_dir="darwin-${host_arch}"
;;
*)
echo "Host platform ${host_os} is not supported" >& 2
return 1
esac
CURRENT_DIR="$(readlink -f "${SCRIPT_DIR}/../../")"
if [[ -z "${CHROME_SRC}" ]]; then
# If $CHROME_SRC was not set, assume current directory is CHROME_SRC.
export CHROME_SRC="${CURRENT_DIR}"
fi
if [[ "${CURRENT_DIR/"${CHROME_SRC}"/}" == "${CURRENT_DIR}" ]]; then
# If current directory is not in $CHROME_SRC, it might be set for other
# source tree. If $CHROME_SRC was set correctly and we are in the correct
# directory, "${CURRENT_DIR/"${CHROME_SRC}"/}" will be "".
# Otherwise, it will equal to "${CURRENT_DIR}"
echo "Warning: Current directory is out of CHROME_SRC, it may not be \
the one you want."
echo "${CHROME_SRC}"
fi
if [[ "${ANDROID_SDK_BUILD}" -eq 1 ]]; then
if [[ -z "${TARGET_ARCH}" ]]; then
return 1
fi
sdk_build_init
# Sets up environment for building Chromium for Android with source. Expects
# android environment setup and lunch.
elif [[ -z "$ANDROID_BUILD_TOP" || \
-z "$ANDROID_TOOLCHAIN" || \
-z "$ANDROID_PRODUCT_OUT" ]]; then
echo "Android build environment variables must be set."
echo "Please cd to the root of your Android tree and do: "
echo " . build/envsetup.sh"
echo " lunch"
echo "Then try this again."
echo "Or did you mean NDK/SDK build. Run envsetup.sh without any arguments."
return 1
elif [[ -n "$CHROME_ANDROID_BUILD_WEBVIEW" ]]; then
webview_build_init
fi
# Source a bunch of helper functions
. ${CHROME_SRC}/build/android/adb_device_functions.sh
# Declare Android are cross compile.
export GYP_CROSSCOMPILE=1
# Performs a gyp_chromium run to convert gyp->Makefile for android code.
android_gyp() {
# This is just a simple wrapper of gyp_chromium, please don't add anything
# in this function.
echo "GYP_GENERATORS set to '$GYP_GENERATORS'"
(
"${CHROME_SRC}/build/gyp_chromium" --depth="${CHROME_SRC}" --check "$@"
)
}
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