| #!/bin/bash |
| |
| # Copyright 2020 Google Inc. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # Helper script for setting environment variables required for Bazel/Soong |
| # mixed builds prototype. For development use only. |
| # |
| # Usage: |
| # export BAZEL_PATH=[some_bazel_path] && source bazelenv.sh |
| # |
| # If BAZEL_PATH is not set, `which bazel` will be used |
| # to locate the appropriate bazel to use. |
| |
| |
| # Function to find top of the source tree (if $TOP isn't set) by walking up the |
| # tree. |
| function gettop |
| { |
| local TOPFILE=build/soong/root.bp |
| if [ -n "${TOP-}" -a -f "${TOP-}/${TOPFILE}" ] ; then |
| # The following circumlocution ensures we remove symlinks from TOP. |
| (cd $TOP; PWD= /bin/pwd) |
| else |
| if [ -f $TOPFILE ] ; then |
| # The following circumlocution (repeated below as well) ensures |
| # that we record the true directory name and not one that is |
| # faked up with symlink names. |
| PWD= /bin/pwd |
| else |
| local HERE=$PWD |
| T= |
| while [ \( ! \( -f $TOPFILE \) \) -a \( $PWD != "/" \) ]; do |
| \cd .. |
| T=`PWD= /bin/pwd -P` |
| done |
| \cd $HERE |
| if [ -f "$T/$TOPFILE" ]; then |
| echo $T |
| fi |
| fi |
| fi |
| } |
| |
| BASE_DIR="$(mktemp -d)" |
| |
| if [ -z "$BAZEL_PATH" ] ; then |
| export BAZEL_PATH="$(which bazel)" |
| fi |
| |
| # TODO(cparsons): Use USE_BAZEL=1 instead once "mixed Soong/Bazel builds" are |
| # production ready. |
| export USE_BAZEL_ANALYSIS=1 |
| # TODO(cparsons): Retrieve this information in either envsetup.sh or |
| # bazel.sh. |
| export BAZEL_HOME="$BASE_DIR/bazelhome" |
| export BAZEL_OUTPUT_BASE="$BASE_DIR/output" |
| export BAZEL_WORKSPACE="$(gettop)" |
| |
| echo "USE_BAZEL_ANALYSIS=${USE_BAZEL_ANALYSIS}" |
| echo "BAZEL_PATH=${BAZEL_PATH}" |
| echo "BAZEL_HOME=${BAZEL_HOME}" |
| echo "BAZEL_OUTPUT_BASE=${BAZEL_OUTPUT_BASE}" |
| echo "BAZEL_WORKSPACE=${BAZEL_WORKSPACE}" |
| |
| mkdir -p $BAZEL_HOME |
| mkdir -p $BAZEL_OUTPUT_BASE |