327 lines
12 KiB
Bash
327 lines
12 KiB
Bash
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#!/bin/bash
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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Defines functions for envsetup.sh which sets up environment for building
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# Chromium on Android. The build can be either use the Android NDK/SDK or
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# android source tree. Each has a unique init function which calls functions
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# prefixed with "common_" that is common for both environment setups.
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################################################################################
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# Check to make sure the toolchain exists for the NDK version.
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################################################################################
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common_check_toolchain() {
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if [[ ! -d "${ANDROID_TOOLCHAIN}" ]]; then
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echo "Can not find Android toolchain in ${ANDROID_TOOLCHAIN}." >& 2
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echo "The NDK version might be wrong." >& 2
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return 1
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fi
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}
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################################################################################
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# Exports environment variables common to both sdk and non-sdk build (e.g. PATH)
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# based on CHROME_SRC and ANDROID_TOOLCHAIN, along with DEFINES for GYP_DEFINES.
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################################################################################
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common_vars_defines() {
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# Set toolchain path according to product architecture.
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case "${TARGET_ARCH}" in
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"arm")
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toolchain_arch="arm-linux-androideabi"
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;;
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"x86")
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toolchain_arch="x86"
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;;
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"mips")
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toolchain_arch="mipsel-linux-android"
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;;
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*)
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echo "TARGET_ARCH: ${TARGET_ARCH} is not supported." >& 2
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print_usage
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return 1
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;;
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esac
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toolchain_version="4.6"
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# We directly set the gcc_version since we know what we use, and it should
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# be set to xx instead of x.x. Refer the output of compiler_version.py.
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gcc_version="46"
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toolchain_target=$(basename \
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${ANDROID_NDK_ROOT}/toolchains/${toolchain_arch}-${toolchain_version})
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toolchain_path="${ANDROID_NDK_ROOT}/toolchains/${toolchain_target}"\
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"/prebuilt/${toolchain_dir}/bin/"
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# Set only if not already set.
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# Don't override ANDROID_TOOLCHAIN if set by Android configuration env.
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export ANDROID_TOOLCHAIN=${ANDROID_TOOLCHAIN:-${toolchain_path}}
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common_check_toolchain
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# Add Android SDK/NDK tools to system path.
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export PATH=$PATH:${ANDROID_NDK_ROOT}
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export PATH=$PATH:${ANDROID_SDK_ROOT}/tools
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export PATH=$PATH:${ANDROID_SDK_ROOT}/platform-tools
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export PATH=$PATH:${ANDROID_SDK_ROOT}/build-tools/\
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${ANDROID_SDK_BUILD_TOOLS_VERSION}
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# This must be set before ANDROID_TOOLCHAIN, so that clang could find the
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# gold linker.
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# TODO(michaelbai): Remove this path once the gold linker become the default
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# linker.
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export PATH=$PATH:${CHROME_SRC}/build/android/${toolchain_arch}-gold
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# Must have tools like arm-linux-androideabi-gcc on the path for ninja
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export PATH=$PATH:${ANDROID_TOOLCHAIN}
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# Add Chromium Android development scripts to system path.
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# Must be after CHROME_SRC is set.
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export PATH=$PATH:${CHROME_SRC}/build/android
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# TODO(beverloo): Remove these once all consumers updated to --strip-binary.
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export OBJCOPY=$(echo ${ANDROID_TOOLCHAIN}/*-objcopy)
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export STRIP=$(echo ${ANDROID_TOOLCHAIN}/*-strip)
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# The set of GYP_DEFINES to pass to gyp. Use 'readlink -e' on directories
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# to canonicalize them (remove double '/', remove trailing '/', etc).
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DEFINES="OS=android"
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DEFINES+=" host_os=${host_os}"
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DEFINES+=" gcc_version=${gcc_version}"
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if [[ -n "$CHROME_ANDROID_OFFICIAL_BUILD" ]]; then
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DEFINES+=" branding=Chrome"
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DEFINES+=" buildtype=Official"
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# These defines are used by various chrome build scripts to tag the binary's
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# version string as 'official' in linux builds (e.g. in
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# chrome/trunk/src/chrome/tools/build/version.py).
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export OFFICIAL_BUILD=1
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export CHROMIUM_BUILD="_google_chrome"
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export CHROME_BUILD_TYPE="_official"
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fi
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# The order file specifies the order of symbols in the .text section of the
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# shared library, libchromeview.so. The file is an order list of section
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# names and the library is linked with option
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# --section-ordering-file=<orderfile>. The order file is updated by profiling
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# startup after compiling with the order_profiling=1 GYP_DEFINES flag.
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ORDER_DEFINES="order_text_section=${CHROME_SRC}/orderfiles/orderfile.out"
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# The following defines will affect ARM code generation of both C/C++ compiler
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# and V8 mksnapshot.
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case "${TARGET_ARCH}" in
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"arm")
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DEFINES+=" ${ORDER_DEFINES}"
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DEFINES+=" target_arch=arm"
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;;
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"x86")
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# TODO(tedbo): The ia32 build fails on ffmpeg, so we disable it here.
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DEFINES+=" use_libffmpeg=0"
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host_arch=$(uname -m | sed -e \
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's/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/;s/i86pc/ia32/')
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DEFINES+=" host_arch=${host_arch}"
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DEFINES+=" target_arch=ia32"
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;;
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"mips")
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DEFINES+=" target_arch=mipsel"
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;;
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*)
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echo "TARGET_ARCH: ${TARGET_ARCH} is not supported." >& 2
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print_usage
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return 1
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esac
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}
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################################################################################
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# Exports common GYP variables based on variable DEFINES and CHROME_SRC.
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################################################################################
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common_gyp_vars() {
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export GYP_DEFINES="${DEFINES}"
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# Set GYP_GENERATORS to ninja if it's currently unset or null.
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if [ -z "$GYP_GENERATORS" ]; then
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echo "Defaulting GYP_GENERATORS to ninja."
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GYP_GENERATORS=ninja
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elif [ "$GYP_GENERATORS" != "ninja" ]; then
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echo "Warning: GYP_GENERATORS set to '$GYP_GENERATORS'."
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echo "Only GYP_GENERATORS=ninja has continuous coverage."
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fi
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export GYP_GENERATORS
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# Use our All target as the default
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export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} default_target=All"
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# We want to use our version of "all" targets.
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export CHROMIUM_GYP_FILE="${CHROME_SRC}/build/all_android.gyp"
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}
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################################################################################
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# Prints out help message on usage.
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################################################################################
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print_usage() {
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echo "usage: ${0##*/} [--target-arch=value] [--help]" >& 2
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echo "--target-arch=value target CPU architecture (arm=default, x86)" >& 2
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echo "--host-os=value override host OS detection (linux, mac)" >&2
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echo "--try-32bit-host try building a 32-bit host architecture" >&2
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echo "--help this help" >& 2
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}
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################################################################################
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# Process command line options.
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# --target-arch= Specifices target CPU architecture. Currently supported
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# architectures are "arm" (default), and "x86".
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# --help Prints out help message.
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################################################################################
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process_options() {
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host_os=$(uname -s | sed -e 's/Linux/linux/;s/Darwin/mac/')
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try_32bit_host_build=
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while [[ -n $1 ]]; do
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case "$1" in
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--target-arch=*)
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target_arch="$(echo "$1" | sed 's/^[^=]*=//')"
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;;
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--host-os=*)
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host_os="$(echo "$1" | sed 's/^[^=]*=//')"
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;;
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--try-32bit-host)
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try_32bit_host_build=true
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;;
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--help)
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print_usage
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return 1
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;;
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*)
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# Ignore other command line options
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echo "Unknown option: $1"
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;;
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esac
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shift
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done
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# Sets TARGET_ARCH. Defaults to arm if not specified.
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TARGET_ARCH=${target_arch:-arm}
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}
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################################################################################
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# Initializes environment variables for NDK/SDK build. Only Android NDK Revision
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# 7 on Linux or Mac is offically supported. To run this script, the system
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# environment ANDROID_NDK_ROOT must be set to Android NDK's root path. The
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# ANDROID_SDK_ROOT only needs to be set to override the default SDK which is in
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# the tree under $ROOT/src/third_party/android_tools/sdk.
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# To build Chromium for Android with NDK/SDK follow the steps below:
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# > export ANDROID_NDK_ROOT=<android ndk root>
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# > export ANDROID_SDK_ROOT=<android sdk root> # to override the default sdk
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# > . build/android/envsetup.sh
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# > make
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################################################################################
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sdk_build_init() {
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# Allow the caller to override a few environment variables. If any of them is
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# unset, we default to a sane value that's known to work. This allows for
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# experimentation with a custom SDK.
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if [[ -z "${ANDROID_NDK_ROOT}" || ! -d "${ANDROID_NDK_ROOT}" ]]; then
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export ANDROID_NDK_ROOT="${CHROME_SRC}/third_party/android_tools/ndk/"
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fi
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if [[ -z "${ANDROID_SDK_VERSION}" ]]; then
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export ANDROID_SDK_VERSION=18
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fi
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local sdk_suffix=platforms/android-${ANDROID_SDK_VERSION}
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if [[ -z "${ANDROID_SDK_ROOT}" || \
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! -d "${ANDROID_SDK_ROOT}/${sdk_suffix}" ]]; then
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export ANDROID_SDK_ROOT="${CHROME_SRC}/third_party/android_tools/sdk/"
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fi
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if [[ -z "${ANDROID_SDK_BUILD_TOOLS_VERSION}" ]]; then
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export ANDROID_SDK_BUILD_TOOLS_VERSION=18.0.1
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fi
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unset ANDROID_BUILD_TOP
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# Set default target.
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export TARGET_PRODUCT="${TARGET_PRODUCT:-trygon}"
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# Unset toolchain so that it can be set based on TARGET_PRODUCT.
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# This makes it easy to switch between architectures.
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unset ANDROID_TOOLCHAIN
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common_vars_defines
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common_gyp_vars
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if [[ -n "$CHROME_ANDROID_BUILD_WEBVIEW" ]]; then
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# Can not build WebView with NDK/SDK because it needs the Android build
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# system and build inside an Android source tree.
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echo "Can not build WebView with NDK/SDK. Requires android source tree." \
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>& 2
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echo "Try . build/android/envsetup.sh instead." >& 2
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return 1
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fi
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# Directory containing build-tools: aapt, aidl, dx
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export ANDROID_SDK_TOOLS="${ANDROID_SDK_ROOT}/build-tools/\
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${ANDROID_SDK_BUILD_TOOLS_VERSION}"
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}
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################################################################################
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# To build WebView, we use the Android build system and build inside an Android
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# source tree. This method is called from non_sdk_build_init() and adds to the
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# settings specified there.
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#############################################################################
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webview_build_init() {
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# Use the latest API in the AOSP prebuilts directory (change with AOSP roll).
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export ANDROID_SDK_VERSION=17
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# For the WebView build we always use the NDK and SDK in the Android tree,
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# and we don't touch ANDROID_TOOLCHAIN which is already set by Android.
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export ANDROID_NDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/ndk/8
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export ANDROID_SDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/sdk/\
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${ANDROID_SDK_VERSION}
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common_vars_defines
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# We need to supply SDK paths relative to the top of the Android tree to make
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# sure the generated Android makefiles are portable, as they will be checked
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# into the Android tree.
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ANDROID_SDK=$(python -c \
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"import os.path; print os.path.relpath('${ANDROID_SDK_ROOT}', \
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'${ANDROID_BUILD_TOP}')")
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case "${host_os}" in
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"linux")
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ANDROID_SDK_TOOLS=$(python -c \
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"import os.path; \
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print os.path.relpath('${ANDROID_SDK_ROOT}/../tools/linux', \
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'${ANDROID_BUILD_TOP}')")
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;;
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"mac")
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ANDROID_SDK_TOOLS=$(python -c \
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"import os.path; \
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print os.path.relpath('${ANDROID_SDK_ROOT}/../tools/darwin', \
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'${ANDROID_BUILD_TOP}')")
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;;
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esac
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DEFINES+=" android_webview_build=1"
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# temporary until all uses of android_build_type are gone (crbug.com/184431)
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DEFINES+=" android_build_type=1"
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DEFINES+=" android_src=\$(PWD)"
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DEFINES+=" android_sdk=\$(PWD)/${ANDROID_SDK}"
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DEFINES+=" android_sdk_root=\$(PWD)/${ANDROID_SDK}"
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DEFINES+=" android_sdk_tools=\$(PWD)/${ANDROID_SDK_TOOLS}"
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DEFINES+=" android_sdk_version=${ANDROID_SDK_VERSION}"
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DEFINES+=" android_toolchain=${ANDROID_TOOLCHAIN}"
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if [[ -n "$CHROME_ANDROID_WEBVIEW_ENABLE_DMPROF" ]]; then
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DEFINES+=" disable_debugallocation=1"
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DEFINES+=" android_full_debug=1"
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DEFINES+=" android_use_tcmalloc=1"
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fi
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export GYP_DEFINES="${DEFINES}"
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export GYP_GENERATORS="android"
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export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} default_target=All"
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export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} limit_to_target_all=1"
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export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} auto_regeneration=0"
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export CHROMIUM_GYP_FILE="${CHROME_SRC}/android_webview/all_webview.gyp"
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}
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