android envsetup: Delete bitrotted comments.

build/android/envsetup_functions.sh

 #!/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.
@@ skipping 58 matching lines @@
   export PATH=$PATH:${CHROME_SRC}/build/android/${toolchain_arch}-gold
 
   # Add Chromium Android development scripts to system path.
   # Must be after CHROME_SRC is set.
   export PATH=$PATH:${CHROME_SRC}/build/android
 
   # TODO(beverloo): Remove these once all consumers updated to --strip-binary.
   # http://crbug.com/142642
   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).
+  # The set of GYP_DEFINES to pass to gyp.
   DEFINES="OS=android"
   DEFINES+=" host_os=${host_os}"
 
   if [[ -n "$CHROME_ANDROID_OFFICIAL_BUILD" ]]; then
     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).
@@ skipping 66 matching lines @@
 print_usage() {
   echo "usage: ${0##*/} [--target-arch=value] [--help]" >& 2
   echo "--target-arch=value     target CPU architecture (arm=default, x86)" >& 2
   echo "--host-os=value         override host OS detection (linux, mac)" >&2
   echo "--try-32bit-host        try building a 32-bit host architecture" >&2
   echo "--help                  this help" >& 2
 }
 
 ################################################################################
 # Process command line options.
-# --target-arch=  Specifices target CPU architecture. Currently supported
-#                 architectures are "arm" (default), and "x86".
-# --help          Prints out help message.
 ################################################################################
 process_options() {
   host_os=$(uname -s | sed -e 's/Linux/linux/;s/Darwin/mac/')
   try_32bit_host_build=
   while [[ -n $1 ]]; do
     case "$1" in
       --target-arch=*)
         target_arch="$(echo "$1" | sed 's/^[^=]*=//')"
         ;;
       --host-os=*)
@@ skipping 12 matching lines @@
         ;;
     esac
     shift
   done
 
   # Sets TARGET_ARCH. Defaults to arm if not specified.
   TARGET_ARCH=${target_arch:-arm}
 }
 
 ################################################################################
-# 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.  The
-# ANDROID_SDK_ROOT only needs to be set to override the default SDK which is in
-# the tree under $ROOT/src/third_party/android_tools/sdk.
-# 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> # to override the default sdk
-#  > . build/android/envsetup.sh
-#  > make
+# Initializes environment variables for NDK/SDK build.
 ################################################################################
 sdk_build_init() {
 
   # Allow the caller to override a few environment variables. If any of them is
   # unset, we default to a sane value that's known to work. This allows for
   # experimentation with a custom SDK.
   local sdk_defines=""
   if [[ -z "${ANDROID_NDK_ROOT}" || ! -d "${ANDROID_NDK_ROOT}" ]]; then
     export ANDROID_NDK_ROOT="${CHROME_SRC}/third_party/android_tools/ndk/"
   fi
@@ skipping 37 matching lines @@
     return 1
   fi
 
   # Directory containing build-tools: aapt, aidl, dx
   export ANDROID_SDK_TOOLS="${ANDROID_SDK_ROOT}/build-tools/\
 ${ANDROID_SDK_BUILD_TOOLS_VERSION}"
 }
 
 ################################################################################
 # 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.
+# source tree.
 #############################################################################
 webview_build_init() {
   # Use the latest API in the AOSP prebuilts directory (change with AOSP roll).
   export ANDROID_SDK_VERSION=18
 
   # For the WebView build we always use the NDK and SDK in the Android tree,
   # and we don't touch ANDROID_TOOLCHAIN which is already set by Android.
   export ANDROID_NDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/ndk/8
   export ANDROID_SDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/sdk/\
 ${ANDROID_SDK_VERSION}
@@ skipping 38 matching lines @@
   fi
   export GYP_DEFINES="${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 CHROMIUM_GYP_FILE="${CHROME_SRC}/android_webview/all_webview.gyp"
 }