[Android] Upstream additional changes from envsetup.

build/android/envsetup_functions.sh

Index: build/android/envsetup_functions.sh
diff --git a/build/android/envsetup_functions.sh b/build/android/envsetup_functions.sh
new file mode 100644
index 0000000000000000000000000000000000000000..0434881890cf5071ccb9a4bd0960d238c38e3b48
--- /dev/null
+++ b/build/android/envsetup_functions.sh
@@ -0,0 +1,292 @@
+#!/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.
+
+# Defines functions for envsetup.sh which sets up environment for building
+# Chromium on Android.  The build can be either use the Android NDK/SDK or
+# android source tree.  Each has a unique init function which calls functions
+# prefixed with "common_" that is common for both environment setups.
+
+################################################################################
+# Check to make sure the toolchain exists for the NDK version.
+################################################################################
+common_check_toolchain() {
+  if [[ ! -d "${ANDROID_TOOLCHAIN}" ]]; then
+    echo "Can not find Android toolchain in ${ANDROID_TOOLCHAIN}." >& 2
+    echo "The NDK version might be wrong." >& 2
+    return 1
+  fi
+}
+
+################################################################################
+# Exports environment variables common to both sdk and non-sdk build (e.g. PATH)
+# based on CHROME_SRC and ANDROID_TOOLCHAIN, along with DEFINES for GYP_DEFINES.
+################################################################################
+common_vars_defines() {
+
+  # Set toolchain path according to product architecture.
+  toolchain_arch="arm"
+  if [[ "${TARGET_PRODUCT}" =~ .*x86.* ]]; then
+    toolchain_arch="x86"
+  fi
+
+  toolchain_target=$(basename \
+    ${ANDROID_NDK_ROOT}/toolchains/${toolchain_arch}-*)
+  toolchain_path="${ANDROID_NDK_ROOT}/toolchains/${toolchain_target}"\
+"/prebuilt/${toolchain_dir}/bin/"
+
+  # Set only if not already set.
+  # Don't override ANDROID_TOOLCHAIN if set by Android configuration env.
+  export ANDROID_TOOLCHAIN=${ANDROID_TOOLCHAIN:-${toolchain_path}}
+
+  common_check_toolchain
+
+  # Add Android SDK/NDK tools to system path.
+  export PATH=$PATH:${ANDROID_NDK_ROOT}
+  export PATH=$PATH:${ANDROID_SDK_ROOT}/tools
+  export PATH=$PATH:${ANDROID_SDK_ROOT}/platform-tools
+  # Must have tools like arm-linux-androideabi-gcc on the path for ninja
+  export PATH=$PATH:${ANDROID_TOOLCHAIN}
+
+  # Add Chromium Android development scripts to system path.
+  # Must be after CHROME_SRC is set.
+  export PATH=$PATH:${CHROME_SRC}/build/android
+
+  export OBJCOPY=$(echo ${ANDROID_TOOLCHAIN}/*-objcopy)
+  export STRIP=$(echo ${ANDROID_TOOLCHAIN}/*-strip)
+
+  # The set of GYP_DEFINES to pass to gyp. Use 'readlink -e' on directories
+  # to canonicalize them (remove double '/', remove trailing '/', etc).
+  DEFINES="OS=android"
+  DEFINES+=" host_os=${host_os}"
+  DEFINES+=" linux_fpic=1"
+  DEFINES+=" release_optimize=s"
+  DEFINES+=" linux_use_tcmalloc=0"
+  DEFINES+=" disable_nacl=1"
+  DEFINES+=" remoting=0"
+  DEFINES+=" p2p_apis=0"
+  DEFINES+=" enable_touch_events=1"
+  DEFINES+=" build_ffmpegsumo=0"
+
+  DEFINES+=" gtest_target_type=shared_library"
+  if [ -z "$CHROME_ANDROID_OFFICIAL_BUILD" ]; then
+    DEFINES+=" branding=Chromium"
+  else
+    DEFINES+=" branding=Chrome"
+    DEFINES+=" buildtype=Official"
+
+    # These defines are used by various chrome build scripts to tag the binary's
+    # version string as 'official' in linux builds (e.g. in
+    # chrome/trunk/src/chrome/tools/build/version.py).
+    export OFFICIAL_BUILD=1
+    export CHROMIUM_BUILD="_google_chrome"
+    export CHROME_BUILD_TYPE="_official"
+
+    # Used by chrome_version_info_posix.cc to display the channel name.
+    # Valid values: "unstable", "stable", "dev", "beta".
+    export CHROME_VERSION_EXTRA="beta"
+  fi
+
+  # The order file specifies the order of symbols in the .text section of the
+  # shared library, libchromeview.so.  The file is an order list of section
+  # names and the library is linked with option
+  # --section-ordering-file=<orderfile>. The order file is updated by profiling
+  # startup after compiling with the order_profiling=1 GYP_DEFINES flag.
+  ORDER_DEFINES="order_text_section=${CHROME_SRC}/orderfiles/orderfile.out"
+
+  # The following defines will affect ARM code generation of both C/C++ compiler
+  # and V8 mksnapshot.
+  case "${TARGET_PRODUCT}" in
+    "passion"|"soju"|"sojua"|"sojus"|"yakju"|"mysid"|"nakasi")
+      DEFINES+=" target_arch=arm"
+      DEFINES+=" arm_neon=1 armv7=1 arm_thumb=1"
+      DEFINES+=" ${ORDER_DEFINES}"
+      ;;
+    "trygon"|"tervigon")
+      DEFINES+=" target_arch=arm"
+      DEFINES+=" arm_neon=0 armv7=1 arm_thumb=1 arm_fpu=vfpv3-d16"
+      DEFINES+=" ${ORDER_DEFINES}"
+      ;;
+    "full")
+      DEFINES+=" target_arch=arm"
+      DEFINES+=" arm_neon=0 armv7=0 arm_thumb=1 arm_fpu=vfp"
+      ;;
+    *x86*)
+    # TODO(tedbo): The ia32 build fails on ffmpeg, so we disable it here.
+      DEFINES+=" target_arch=ia32 use_libffmpeg=0"
+
+      host_arch=$(uname -m | sed -e \
+        's/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/;s/i86pc/ia32/')
+      DEFINES+=" host_arch=${host_arch}"
+      ;;
+    *)
+      echo "TARGET_PRODUCT: ${TARGET_PRODUCT} is not supported." >& 2
+      return 1
+  esac
+}
+
+
+################################################################################
+# Exports common GYP variables based on variable DEFINES and CHROME_SRC.
+################################################################################
+common_gyp_vars() {
+  export GYP_DEFINES="${DEFINES}"
+  export GYP_GENERATORS="make-android,ninja"
+
+  # Use our All target as the default
+  export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} default_target=All"
+
+  # We want to use our version of "all" targets.
+  export CHROMIUM_GYP_FILE="${CHROME_SRC}/build/all_android.gyp"
+}
+
+
+################################################################################
+# Initializes environment variables for NDK/SDK build. Only Android NDK Revision
+# 7 on Linux or Mac is offically supported. To run this script, the system
+# environment ANDROID_NDK_ROOT must be set to Android NDK's root path as well as
+# ANDROID_SDK_ROOT to the SDK root.
+# To build Chromium for Android with NDK/SDK follow the steps below:
+#  > export ANDROID_NDK_ROOT=<android ndk root>
+#  > export ANDROID_SDK_ROOT=<android sdk root>
+#  > . build/android/envsetup.sh --sdk
+#  > make
+#############################################################################
+sdk_build_init() {
+  if [ ! -d "${ANDROID_NDK_ROOT}" ]; then
+    echo "ANDROID_NDK_ROOT must be set to the path of Android NDK." >& 2
+    echo "which could be installed by" >& 2
+    echo "<chromium_tree>/src/build/install-build-deps-android-sdk.sh" >& 2
+    return 1
+  fi
+
+  if [ ! -d "${ANDROID_SDK_ROOT}" ]; then
+    echo "ANDROID_SDK_ROOT must be set to the path of Android SDK." >& 2
+    echo "which could be installed by" >& 2
+    echo "<chromium_tree>/src/build/install-build-deps-android-sdk.sh" >& 2
+    return 1
+  fi
+
+  # Makes sure ANDROID_BUILD_TOP is unset if build has option --sdk
+  unset ANDROID_BUILD_TOP
+
+  # Set default target.
+  export TARGET_PRODUCT="${TARGET_PRODUCT:-trygon}"
+
+  # Android sdk platform version to use
+  export ANDROID_SDK_VERSION=15
+  # Unset toolchain so that it can be set based on TARGET_PRODUCT.
+  # This makes it easy to switch between architectures.
+  unset ANDROID_TOOLCHAIN
+
+  common_vars_defines
+
+  DEFINES+=" sdk_build=1"
+  # If we are building NDK/SDK, and in the upstream (open source) tree,
+  # define a special variable for bringup purposes.
+  case "${ANDROID_BUILD_TOP-undefined}" in
+    "undefined")
+      DEFINES+=" android_upstream_bringup=1"
+      ;;
+  esac
+
+  # Sets android specific directories to NOT_SDK_COMPLIANT.  This will allow
+  # android_gyp to generate make files, but will cause errors when (and only
+  # when) building targets that depend on these directories.
+  DEFINES+=" android_src='NOT_SDK_COMPLIANT'"
+  DEFINES+=" android_product_out=${CHROME_SRC}/out/android"
+  DEFINES+=" android_lib='NOT_SDK_COMPLIANT'"
+  DEFINES+=" android_static_lib='NOT_SDK_COMPLIANT'"
+  DEFINES+=\
+" android_sdk=${ANDROID_SDK_ROOT}/platforms/android-${ANDROID_SDK_VERSION}"
+  DEFINES+=" android_sdk_tools=${ANDROID_SDK_ROOT}/platform-tools"
+
+  common_gyp_vars
+
+  if [ -n "$CHROME_ANDROID_BUILD_WEBVIEW" ]; then
+    # Can not build WebView with NDK/SDK because it needs the Android build
+    # system and build inside an Android source tree.
+    echo "Can not build WebView with NDK/SDK.  Requires android source tree." \
+        >& 2
+    echo "Try . build/android/envsetup.sh instead." >& 2
+    return 1
+  fi
+
+}
+
+
+################################################################################
+# Initializes environment variables for build with android source.  This expects
+# android environment to be set up along with lunch.  To build:
+#  > . build/envsetup.sh
+#  >  lunch <lunch-type>
+#  > . build/android/envsetup.sh
+#  > make
+#############################################################################
+non_sdk_build_init() {
+  # We export "TOP" here so that "mmm" can be run to build Java code without
+  # having to cd to $ANDROID_BUILD_TOP.
+  export TOP="$ANDROID_BUILD_TOP"
+
+  # We export "ANDROID_NDK_ROOT" for building Chromium for Android by NDK.
+  export ANDROID_NDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/ndk/android-ndk-r7
+
+  # Android sdk platform version to use
+  export ANDROID_SDK_VERSION=15
+
+  # We export "ANDROID_SDK_ROOT" for building Java source with the SDK.
+  export ANDROID_SDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/sdk/\
+${ANDROID_SDK_VERSION}
+  # Needed by android antfiles when creating apks.
+  export ANDROID_SDK_HOME=${ANDROID_SDK_ROOT}
+
+  common_vars_defines
+
+  DEFINES+=" sdk_build=0"
+  DEFINES+=" android_product_out=${ANDROID_PRODUCT_OUT}"
+
+  if [ -n "$CHROME_ANDROID_BUILD_WEBVIEW" ]; then
+    webview_build_init
+    return
+  fi
+
+  # The non-SDK build currently requires the SDK path to build the framework
+  # Java aidl files. TODO(steveblock): Investigate avoiding this requirement.
+  DEFINES+=" android_sdk=${ANDROID_SDK_ROOT}"
+  DEFINES+=" android_sdk_tools=${ANDROID_SDK_ROOT}/../tools/linux"
+
+  common_gyp_vars
+}
+
+################################################################################
+# To build WebView, we use the Android build system and build inside an Android
+# source tree. This method is called from non_sdk_build_init() and adds to the
+# settings specified there.
+#############################################################################
+webview_build_init() {
+  # We need to supply SDK paths relative to the top of the Android tree to make
+  # sure the generated Android makefiles are portable, as they will be checked
+  # into the Android tree.
+  ANDROID_SDK=$(python -c \
+      "import os.path; print os.path.relpath('${ANDROID_SDK_ROOT}', '${TOP}')")
+  ANDROID_SDK_TOOLS=$(python -c \
+      "import os.path; \
+      print os.path.relpath('${ANDROID_SDK_ROOT}/../tools/linux', \
+      '${TOP}')")
+  DEFINES+=" android_build_type=1"
+  DEFINES+=" android_upstream_bringup=1"
+  DEFINES+=" android_sdk=\$(GYP_ABS_ANDROID_TOP_DIR)/${ANDROID_SDK}"
+  DEFINES+=" android_sdk_tools=\$(GYP_ABS_ANDROID_TOP_DIR)/${ANDROID_SDK_TOOLS}"
+  export GYP_DEFINES="${DEFINES}"
+
+  export GYP_GENERATORS="android"
+
+  export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} default_target=All"
+  export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} limit_to_target_all=1"
+  export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} auto_regeneration=0"
+
+  # TODO(torne): This isn't upstream yet. Upstream it or remove this setting.
+  export CHROMIUM_GYP_FILE="${CHROME_SRC}/build/all_android_webview.gyp"
+}