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71 lines
2.4 KiB
71 lines
2.4 KiB
# 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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# Set of utility functions to build and run go code with microfactory |
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# |
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# Inputs: |
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# ${GOROOT} |
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# ${BUILDDIR} |
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# ${BLUEPRINTDIR} |
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# ${SRCDIR} |
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# Bootstrap microfactory from source if necessary and use it to build the |
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# requested binary. |
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# |
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# Arguments: |
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# $1: name of the requested binary |
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# $2: package name |
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# ${EXTRA_ARGS}: extra arguments to pass to microfactory (-pkg-path, etc) |
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function build_go |
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{ |
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# Increment when microfactory changes enough that it cannot rebuild itself. |
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# For example, if we use a new command line argument that doesn't work on older versions. |
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local mf_version=3 |
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local mf_src="${BLUEPRINTDIR}/microfactory" |
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local mf_bin="${BUILDDIR}/microfactory_$(uname)" |
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local mf_version_file="${BUILDDIR}/.microfactory_$(uname)_version" |
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local built_bin="${BUILDDIR}/$1" |
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local from_src=1 |
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if [ -f "${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 [ $from_src -eq 1 ]; then |
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# `go run` requires a single main package, so create one |
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local gen_src_dir="${BUILDDIR}/.microfactory_$(uname)_intermediates/src" |
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mkdir -p "${gen_src_dir}" |
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sed "s/^package microfactory/package main/" "${mf_src}/microfactory.go" >"${gen_src_dir}/microfactory.go" |
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mf_cmd="${GOROOT}/bin/go run ${gen_src_dir}/microfactory.go" |
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else |
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mf_cmd="${mf_bin}" |
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fi |
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rm -f "${BUILDDIR}/.$1.trace" |
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# GOROOT must be absolute because `go run` changes the local directory |
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GOROOT=$(cd $GOROOT; pwd) ${mf_cmd} -b "${mf_bin}" \ |
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-pkg-path "github.com/google/blueprint=${BLUEPRINTDIR}" \ |
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-trimpath "${SRCDIR}" \ |
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${EXTRA_ARGS} \ |
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-o "${built_bin}" $2 |
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if [ $? -eq 0 ] && [ $from_src -eq 1 ]; then |
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echo "${mf_version}" >"${mf_version_file}" |
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fi |
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}
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