build/android/envsetup.sh

   1 #!/bin/bash
   2 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 # Sets up environment for building Chromium on Android.  It can either be
   7 # compiled with the Android tree or using the Android SDK/NDK. To build with
   8 # NDK/SDK: ". build/android/envsetup.sh".  Environment variable
   9 # ANDROID_SDK_BUILD=1 will then be defined and used in the rest of the setup to
  10 # specifiy build type.
  11
  12 # Make sure we're being sourced (possibly by another script). Check for bash
  13 # since zsh sets $0 when sourcing.
  14 if [[ -n "$BASH_VERSION" && "${BASH_SOURCE:-$0}" == "$0" ]]; then
  15   echo "ERROR: envsetup must be sourced."
  16   exit 1
  17 fi
  18
  19 # Source functions script.  The file is in the same directory as this script.
  20 SCRIPT_DIR="$(dirname "${BASH_SOURCE:-$0}")"
  21 . "${SCRIPT_DIR}"/envsetup_functions.sh
  22
  23 export ANDROID_SDK_BUILD=1  # Default to SDK build.
  24
  25 process_options "$@"
  26
  27 # When building WebView as part of Android we can't use the SDK. Other builds
  28 # default to using the SDK.
  29 if [[ "${CHROME_ANDROID_BUILD_WEBVIEW}" -eq 1 ]]; then
  30   export ANDROID_SDK_BUILD=0
  31 fi
  32
  33 if [[ "${ANDROID_SDK_BUILD}" -ne 1 ]]; then
  34   echo "Initializing for non-SDK build."
  35 fi
  36
  37 # Get host architecture, and abort if it is 32-bit.
  38 host_arch=$(uname -m)
  39 case "${host_arch}" in
  40   x86_64)  # pass
  41     ;;
  42   i?86)
  43     echo "ERROR: Android build requires a 64-bit host build machine."
  44     return 1
  45     ;;
  46   *)
  47     echo "ERROR: Unsupported host architecture (${host_arch})."
  48     echo "Try running this script on a Linux/x86_64 machine instead."
  49     return 1
  50 esac
  51
  52 CURRENT_DIR="$(readlink -f "${SCRIPT_DIR}/../../")"
  53 if [[ -z "${CHROME_SRC}" ]]; then
  54   # If $CHROME_SRC was not set, assume current directory is CHROME_SRC.
  55   export CHROME_SRC="${CURRENT_DIR}"
  56 fi
  57
  58 if [[ "${CURRENT_DIR/"${CHROME_SRC}"/}" == "${CURRENT_DIR}" ]]; then
  59   # If current directory is not in $CHROME_SRC, it might be set for other
  60   # source tree. If $CHROME_SRC was set correctly and we are in the correct
  61   # directory, "${CURRENT_DIR/"${CHROME_SRC}"/}" will be "".
  62   # Otherwise, it will equal to "${CURRENT_DIR}"
  63   echo "Warning: Current directory is out of CHROME_SRC, it may not be \
  64 the one you want."
  65   echo "${CHROME_SRC}"
  66 fi
  67
  68 if [[ "${ANDROID_SDK_BUILD}" -eq 1 ]]; then
  69   sdk_build_init
  70 # Sets up environment for building Chromium for Android with source. Expects
  71 # android environment setup and lunch.
  72 elif [[ -z "$ANDROID_BUILD_TOP" || \
  73         -z "$ANDROID_TOOLCHAIN" || \
  74         -z "$ANDROID_PRODUCT_OUT" ]]; then
  75   echo "Android build environment variables must be set."
  76   echo "Please cd to the root of your Android tree and do: "
  77   echo "  . build/envsetup.sh"
  78   echo "  lunch"
  79   echo "Then try this again."
  80   echo "Or did you mean NDK/SDK build. Run envsetup.sh without any arguments."
  81   return 1
  82 elif [[ -n "$CHROME_ANDROID_BUILD_WEBVIEW" ]]; then
  83   webview_build_init
  84 fi
  85
  86 # Source a bunch of helper functions
  87 . ${CHROME_SRC}/build/android/adb_device_functions.sh
  88
  89 # Declare Android are cross compile.
  90 export GYP_CROSSCOMPILE=1
  91
  92 # Performs a gyp_chromium run to convert gyp->Makefile for android code.
  93 android_gyp() {
  94   # This is just a simple wrapper of gyp_chromium, please don't add anything
  95   # in this function.
  96   (
  97     "${CHROME_SRC}/build/gyp_chromium" --depth="${CHROME_SRC}" --check "$@"
  98   )
  99 }