michael@0: #!/bin/bash
michael@0: 
michael@0: # Copyright (c) 2012 The Chromium Authors. All rights reserved.
michael@0: # Use of this source code is governed by a BSD-style license that can be
michael@0: # found in the LICENSE file.
michael@0: 
michael@0: # Sets up environment for building Chromium on Android.  It can either be
michael@0: # compiled with the Android tree or using the Android SDK/NDK. To build with
michael@0: # NDK/SDK: ". build/android/envsetup.sh --sdk".  Environment variable
michael@0: # ANDROID_SDK_BUILD=1 will then be defined and used in the rest of the setup to
michael@0: # specifiy build type.
michael@0: 
michael@0: # When building WebView as part of Android we can't use the SDK. Other builds
michael@0: # default to using the SDK.
michael@0: # NOTE(yfriedman): This looks unnecessary but downstream the default value
michael@0: # should be 0 until all builds switch to SDK/NDK.
michael@0: if [[ "${CHROME_ANDROID_BUILD_WEBVIEW}" -eq 1 ]]; then
michael@0:   export ANDROID_SDK_BUILD=0
michael@0: else
michael@0:   export ANDROID_SDK_BUILD=1
michael@0: fi
michael@0: # Loop over args in case we add more arguments in the future.
michael@0: while [ "$1" != "" ]; do
michael@0:   case $1 in
michael@0:     -s | --sdk  ) export ANDROID_SDK_BUILD=1 ; shift ;;
michael@0:     *  )          shift ; break ;;
michael@0:   esac
michael@0: done
michael@0: 
michael@0: if [[ "${ANDROID_SDK_BUILD}" -eq 1 ]]; then
michael@0:   echo "Using SDK build"
michael@0: fi
michael@0: 
michael@0: host_os=$(uname -s | sed -e 's/Linux/linux/;s/Darwin/mac/')
michael@0: 
michael@0: case "${host_os}" in
michael@0:   "linux")
michael@0:     toolchain_dir="linux-x86_64"
michael@0:     ;;
michael@0:   "mac")
michael@0:     toolchain_dir="darwin-x86"
michael@0:     ;;
michael@0:   *)
michael@0:     echo "Host platform ${host_os} is not supported" >& 2
michael@0:     return 1
michael@0: esac
michael@0: 
michael@0: CURRENT_DIR="$(readlink -f "$(dirname $BASH_SOURCE)/../../")"
michael@0: if [[ -z "${CHROME_SRC}" ]]; then
michael@0:   # If $CHROME_SRC was not set, assume current directory is CHROME_SRC.
michael@0:   export CHROME_SRC="${CURRENT_DIR}"
michael@0: fi
michael@0: 
michael@0: if [[ "${CURRENT_DIR/"${CHROME_SRC}"/}" == "${CURRENT_DIR}" ]]; then
michael@0:   # If current directory is not in $CHROME_SRC, it might be set for other
michael@0:   # source tree. If $CHROME_SRC was set correctly and we are in the correct
michael@0:   # directory, "${CURRENT_DIR/"${CHROME_SRC}"/}" will be "".
michael@0:   # Otherwise, it will equal to "${CURRENT_DIR}"
michael@0:   echo "Warning: Current directory is out of CHROME_SRC, it may not be \
michael@0: the one you want."
michael@0:   echo "${CHROME_SRC}"
michael@0: fi
michael@0: 
michael@0: # Android sdk platform version to use
michael@0: export ANDROID_SDK_VERSION=16
michael@0: 
michael@0: # Source functions script.  The file is in the same directory as this script.
michael@0: . "$(dirname $BASH_SOURCE)"/envsetup_functions.sh
michael@0: 
michael@0: if [[ "${ANDROID_SDK_BUILD}" -eq 1 ]]; then
michael@0:   sdk_build_init
michael@0: # Sets up environment for building Chromium for Android with source. Expects
michael@0: # android environment setup and lunch.
michael@0: elif [[ -z "$ANDROID_BUILD_TOP" || \
michael@0:         -z "$ANDROID_TOOLCHAIN" || \
michael@0:         -z "$ANDROID_PRODUCT_OUT" ]]; then
michael@0:   echo "Android build environment variables must be set."
michael@0:   echo "Please cd to the root of your Android tree and do: "
michael@0:   echo "  . build/envsetup.sh"
michael@0:   echo "  lunch"
michael@0:   echo "Then try this again."
michael@0:   echo "Or did you mean NDK/SDK build. Run envsetup.sh with --sdk argument."
michael@0:   return 1
michael@0: elif [[ -n "$CHROME_ANDROID_BUILD_WEBVIEW" ]]; then
michael@0:   webview_build_init
michael@0: else
michael@0:   non_sdk_build_init
michael@0: fi
michael@0: 
michael@0: # Workaround for valgrind build
michael@0: if [[ -n "$CHROME_ANDROID_VALGRIND_BUILD" ]]; then
michael@0: # arm_thumb=0 is a workaround for https://bugs.kde.org/show_bug.cgi?id=270709
michael@0:   DEFINES+=" arm_thumb=0 release_extra_cflags='-fno-inline\
michael@0:  -fno-omit-frame-pointer -fno-builtin' release_valgrind_build=1\
michael@0:  release_optimize=1"
michael@0: fi
michael@0: 
michael@0: # Source a bunch of helper functions
michael@0: . ${CHROME_SRC}/build/android/adb_device_functions.sh
michael@0: 
michael@0: ANDROID_GOMA_WRAPPER=""
michael@0: if [[ -d $GOMA_DIR ]]; then
michael@0:   ANDROID_GOMA_WRAPPER="$GOMA_DIR/gomacc"
michael@0: fi
michael@0: export ANDROID_GOMA_WRAPPER
michael@0: 
michael@0: # Declare Android are cross compile.
michael@0: export GYP_CROSSCOMPILE=1
michael@0: 
michael@0: export CXX_target="${ANDROID_GOMA_WRAPPER} \
michael@0:     $(echo -n ${ANDROID_TOOLCHAIN}/*-g++)"
michael@0: 
michael@0: # Performs a gyp_chromium run to convert gyp->Makefile for android code.
michael@0: android_gyp() {
michael@0:   echo "GYP_GENERATORS set to '$GYP_GENERATORS'"
michael@0:   # http://crbug.com/143889.
michael@0:   # In case we are doing a Clang build, we have to unset CC_target and
michael@0:   # CXX_target. Otherwise GYP ends up generating a gcc build (although we set
michael@0:   # 'clang' to 1). This behavior was introduced by
michael@0:   # 54d2f6fe6d8a7b9d9786bd1f8540df6b4f46b83f in GYP.
michael@0:   (
michael@0:     # Fork to avoid side effects on the user's environment variables.
michael@0:     if echo "$GYP_DEFINES" | grep -qE '(clang|asan)'; then
michael@0:       if echo "$CXX_target" | grep -q g++; then
michael@0:         unset CXX_target
michael@0:       fi
michael@0:     fi
michael@0:     "${CHROME_SRC}/build/gyp_chromium" --depth="${CHROME_SRC}" --check "$@"
michael@0:   )
michael@0: }
michael@0: 
michael@0: # FLOCK needs to be null on system that has no flock
michael@0: which flock > /dev/null || export FLOCK=