110 lines
3.4 KiB
Bash
Executable File
110 lines
3.4 KiB
Bash
Executable File
#!/bin/bash -eu
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#
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# Copyright 2017 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# To track how long we took to startup. %N isn't supported on Darwin, but
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# that's detected in the Go code, and skip calculating the startup time.
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export TRACE_BEGIN_SOONG=$(date +%s%N)
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# Function to find top of the source tree (if $TOP isn't set) by walking up the
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# tree.
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function gettop
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{
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local TOPFILE=build/soong/root.bp
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if [ -z "${TOP-}" -a -f "${TOP-}/${TOPFILE}" ] ; then
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# The following circumlocution ensures we remove symlinks from TOP.
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(cd $TOP; PWD= /bin/pwd)
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else
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if [ -f $TOPFILE ] ; then
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# The following circumlocution (repeated below as well) ensures
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# that we record the true directory name and not one that is
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# faked up with symlink names.
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PWD= /bin/pwd
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else
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local HERE=$PWD
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T=
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while [ \( ! \( -f $TOPFILE \) \) -a \( $PWD != "/" \) ]; do
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\cd ..
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T=`PWD= /bin/pwd -P`
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done
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\cd $HERE
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if [ -f "$T/$TOPFILE" ]; then
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echo $T
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fi
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fi
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fi
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}
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# Bootstrap microfactory from source if necessary and use it to build the
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# soong_ui binary, then run soong_ui.
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function run_go
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{
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# Increment when microfactory changes enough that it cannot rebuild itself.
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# For example, if we use a new command line argument that doesn't work on older versions.
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local mf_version=2
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local mf_src="${TOP}/build/soong/cmd/microfactory"
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local out_dir="${OUT_DIR-}"
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if [ -z "${out_dir}" ]; then
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if [ "${OUT_DIR_COMMON_BASE-}" ]; then
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out_dir="${OUT_DIR_COMMON_BASE}/$(basename ${TOP})"
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else
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out_dir="${TOP}/out"
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fi
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fi
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local mf_bin="${out_dir}/microfactory_$(uname)"
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local mf_version_file="${out_dir}/.microfactory_$(uname)_version"
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local soong_ui_bin="${out_dir}/soong_ui"
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local from_src=1
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if [ -f "${mf_bin}" ] && [ -f "${mf_version_file}" ]; then
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if [ "${mf_version}" -eq "$(cat "${mf_version_file}")" ]; then
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from_src=0
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fi
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fi
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local mf_cmd
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if [ $from_src -eq 1 ]; then
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mf_cmd="${GOROOT}/bin/go run ${mf_src}/microfactory.go"
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else
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mf_cmd="${mf_bin}"
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fi
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${mf_cmd} -s "${mf_src}" -b "${mf_bin}" \
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-pkg-path "android/soong=${TOP}/build/soong" -trimpath "${TOP}/build/soong" \
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-o "${soong_ui_bin}" android/soong/cmd/soong_ui
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if [ $from_src -eq 1 ]; then
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echo "${mf_version}" >"${mf_version_file}"
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fi
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exec "${out_dir}/soong_ui" "$@"
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}
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export TOP=$(gettop)
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case $(uname) in
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Linux)
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export GOROOT="${TOP}/prebuilts/go/linux-x86/"
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;;
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Darwin)
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export GOROOT="${TOP}/prebuilts/go/darwin-x86/"
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;;
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*) echo "unknown OS:" $(uname) >&2 && exit 1;;
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esac
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run_go "$@"
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