| #!/bin/bash |
| |
| set -eo pipefail |
| |
| # TODO: Refactor build/make/envsetup.sh to make gettop() available elsewhere |
| function gettop |
| { |
| local TOPFILE=build/bazel/bazel.sh |
| 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 |
| local 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 |
| } |
| |
| # TODO: Refactor build/soong/scripts/microfactory.bash to make getoutdir() available elsewhere |
| function getoutdir |
| { |
| local out_dir="${OUT_DIR-}" |
| if [ -z "${out_dir}" ]; then |
| if [ "${OUT_DIR_COMMON_BASE-}" ]; then |
| out_dir="${OUT_DIR_COMMON_BASE}/$(basename ${TOP})" |
| else |
| out_dir="out" |
| fi |
| fi |
| if [[ "${out_dir}" != /* ]]; then |
| out_dir="${TOP}/${out_dir}" |
| fi |
| echo "${out_dir}" |
| } |
| |
| TOP="$(gettop)" |
| if [ ! "$TOP" ]; then |
| >&2 echo "Couldn't locate the top of the tree. Try setting TOP." |
| exit 1 |
| fi |
| |
| case $(uname -s) in |
| Darwin) |
| ANDROID_BAZEL_PATH="${TOP}/prebuilts/bazel/darwin-x86_64/bazel" |
| ANDROID_BAZELRC_NAME="darwin.bazelrc" |
| ANDROID_BAZEL_JDK_PATH="${TOP}/prebuilts/jdk/jdk11/darwin-x86" |
| |
| # Lock down PATH in action execution environment, thereby removing |
| # Bazel's default /bin, /usr/bin, /usr/local/bin and ensuring |
| # hermeticity from the system. |
| # |
| # The new PATH components are: |
| # |
| # - prebuilts/build-tools/path: contains checked-in tools that can be |
| # used as executables in actions. |
| # |
| # - out/.path: a special directory created by path_interposer with |
| # config from ui/build/paths/config.go for allowlisting specific |
| # binaries not in prebuilts/build-tools/path, but on the host system. |
| # If one runs Bazel without soong_ui, then this directory wouldn't |
| # exist, making standalone Bazel execution's PATH variable stricter than |
| # Bazel execution within soong_ui. |
| RESTRICTED_PATH="${TOP}/prebuilts/build-tools/path/darwin-x86:${TOP}/out/.path" |
| ;; |
| Linux) |
| ANDROID_BAZEL_PATH="${TOP}/prebuilts/bazel/linux-x86_64/bazel" |
| ANDROID_BAZELRC_NAME="linux.bazelrc" |
| ANDROID_BAZEL_JDK_PATH="${TOP}/prebuilts/jdk/jdk11/linux-x86" |
| RESTRICTED_PATH="${TOP}/prebuilts/build-tools/path/linux-x86:${TOP}/out/.path" |
| ;; |
| *) |
| >&2 echo "Bazel is supported on Linux and Darwin only. Your OS is not supported for Bazel usage, based on 'uname -s': $(uname -s)" |
| exit 1 |
| ;; |
| esac |
| |
| function verify_soong_outputs_exist() { |
| local to_check="${ABSOLUTE_OUT_DIR}/.path" |
| local no_soong=0 |
| if [[ ! -d "${to_check}" ]]; then |
| no_soong=1 |
| fi |
| |
| local bazel_configs=( |
| "bp2build" |
| "queryview" |
| ) |
| local valid_bazel_config=0 |
| for c in "${bazel_configs[@]}" |
| do |
| if [[ -d "${ABSOLUTE_OUT_DIR}/soong/""${c}" ]]; then |
| valid_bazel_config=1 |
| fi |
| done |
| |
| if [[ "${no_soong}" -eq "1" || "${valid_bazel_config}" -eq "0" ]]; then |
| >&2 echo "Error: missing generated Bazel files. Have you run bp2build or queryview?" |
| >&2 echo "Run bp2build with the command: m bp2build" |
| >&2 echo "Run queryview with the command: m queryview" |
| >&2 echo "Alternatively, for non-queryview applications, invoke Bazel using 'b' with the command: source envsetup.sh; b query/build/test <targets>" |
| exit 1 |
| fi |
| } |
| |
| function create_bazelrc() { |
| cat > "${ABSOLUTE_OUT_DIR}/bazel/path.bazelrc" <<EOF |
| # This file is generated by tools/bazel. Do not edit manually. |
| build --action_env=PATH=${RESTRICTED_PATH} |
| EOF |
| } |
| |
| case "x${ANDROID_BAZELRC_PATH}" in |
| x) |
| # Path not provided, use default. |
| ANDROID_BAZELRC_PATH="${TOP}/build/bazel" |
| ;; |
| x/*) |
| # Absolute path, take it as-is. |
| ANDROID_BAZELRC_PATH="${ANDROID_BAZELRC_PATH}" |
| ;; |
| x*) |
| # Relative path, consider it relative to TOP. |
| ANDROID_BAZELRC_PATH="${TOP}/${ANDROID_BAZELRC_PATH}" |
| ;; |
| esac |
| |
| if [ -d "${ANDROID_BAZELRC_PATH}" ]; then |
| # If we're given a directory, find the correct bazelrc file there. |
| ANDROID_BAZELRC_PATH="${ANDROID_BAZELRC_PATH}/${ANDROID_BAZELRC_NAME}" |
| fi |
| |
| |
| if [ -n "$ANDROID_BAZEL_PATH" -a -f "$ANDROID_BAZEL_PATH" ]; then |
| export ANDROID_BAZEL_PATH |
| else |
| >&2 echo "Couldn't locate Bazel binary" |
| exit 1 |
| fi |
| |
| if [ -n "$ANDROID_BAZELRC_PATH" -a -f "$ANDROID_BAZELRC_PATH" ]; then |
| export ANDROID_BAZELRC_PATH |
| else |
| >&2 echo "Couldn't locate bazelrc file for Bazel" |
| exit 1 |
| fi |
| |
| if [ -n "$ANDROID_BAZEL_JDK_PATH" -a -d "$ANDROID_BAZEL_JDK_PATH" ]; then |
| export ANDROID_BAZEL_JDK_PATH |
| else |
| >&2 echo "Couldn't locate JDK to use for Bazel" |
| exit 1 |
| fi |
| |
| ABSOLUTE_OUT_DIR="$(getoutdir)" |
| |
| # In order to be able to load JNI libraries, this directory needs to exist |
| mkdir -p "${ABSOLUTE_OUT_DIR}/bazel/javatmp" |
| |
| ADDITIONAL_FLAGS=() |
| if [[ "${STANDALONE_BAZEL}" =~ ^(true|TRUE|1)$ ]]; then |
| # STANDALONE_BAZEL is set. |
| >&2 echo "WARNING: Using Bazel in standalone mode. This mode is not integrated with Soong and Make, and is not supported" |
| >&2 echo "for Android Platform builds. Use this mode at your own risk." |
| >&2 echo |
| else |
| # STANDALONE_BAZEL is not set. |
| >&2 echo "WARNING: Bazel support for the Android Platform is experimental and is undergoing development." |
| >&2 echo "WARNING: Currently, build stability is not guaranteed. Thank you." |
| >&2 echo |
| |
| # Generate a bazelrc with dynamic content, like the absolute path to PATH variable values. |
| create_bazelrc |
| # Check that the Bazel synthetic workspace and other required inputs exist before handing over control to Bazel. |
| verify_soong_outputs_exist |
| ADDITIONAL_FLAGS+=("--bazelrc=${ABSOLUTE_OUT_DIR}/bazel/path.bazelrc") |
| fi |
| |
| JAVA_HOME="${ANDROID_BAZEL_JDK_PATH}" "${ANDROID_BAZEL_PATH}" \ |
| --server_javabase="${ANDROID_BAZEL_JDK_PATH}" \ |
| --output_user_root="${ABSOLUTE_OUT_DIR}/bazel/output_user_root" \ |
| --host_jvm_args=-Djava.io.tmpdir="${ABSOLUTE_OUT_DIR}/bazel/javatmp" \ |
| --bazelrc="${ANDROID_BAZELRC_PATH}" \ |
| "${ADDITIONAL_FLAGS[@]}" \ |
| "$@" |
