android: Set gcc_version in build/common.gypi instead of in envsetup.

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 26 matching lines @@
       toolchain_arch="mipsel-linux-android"
       ;;
     *)
       echo "TARGET_ARCH: ${TARGET_ARCH} is not supported." >& 2
       print_usage
       return 1
       ;;
   esac
 
   toolchain_version="4.6"
-  # We directly set the gcc_version since we know what we use, and it should
-  # be set to xx instead of x.x. Refer the output of compiler_version.py.
-  gcc_version="46"
   toolchain_target=$(basename \
     ${ANDROID_NDK_ROOT}/toolchains/${toolchain_arch}-${toolchain_version})
   toolchain_path="${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
@@ skipping 19 matching lines @@
   export PATH=$PATH:${CHROME_SRC}/build/android
 
   # TODO(beverloo): Remove these once all consumers updated to --strip-binary.
   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=${host_os}"
-  DEFINES+=" gcc_version=${gcc_version}"
 
   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).
     export OFFICIAL_BUILD=1
     export CHROMIUM_BUILD="_google_chrome"
@@ skipping 217 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"
 }