#!/bin/rc -e
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# Copyright 2012 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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# See golang.org/s/go15bootstrap for an overview of the build process.
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# Environment variables that control make.rc:
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#
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# GOROOT_FINAL: The expected final Go root, baked into binaries.
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# The default is the location of the Go tree during the build.
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#
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# GOHOSTARCH: The architecture for host tools (compilers and
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# binaries). Binaries of this type must be executable on the current
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# system, so the only common reason to set this is to set
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# GOHOSTARCH=386 on an amd64 machine.
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#
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# GOARCH: The target architecture for installed packages and tools.
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#
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# GOOS: The target operating system for installed packages and tools.
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#
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# GO_GCFLAGS: Additional go tool compile arguments to use when
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# building the packages and commands.
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#
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# GO_LDFLAGS: Additional go tool link arguments to use when
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# building the commands.
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#
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# CGO_ENABLED: Controls cgo usage during the build. Set it to 1
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# to include all cgo related files, .c and .go file with "cgo"
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# build directive, in the build. Set it to 0 to ignore them.
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rfork e
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if(! test -f run.rc){
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echo 'make.rc must be run from $GOROOT/src' >[1=2]
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exit wrongdir
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}
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# Clean old generated file that will cause problems in the build.
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rm -f ./runtime/runtime_defs.go
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# Determine the host compiler toolchain.
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eval `{grep '^(CC|LD|O)=' /$objtype/mkfile}
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vflag=()
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if(~ $1 -v) {
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vflag=(-v)
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shift
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}
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GOFLAGS=()
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GO111MODULE=()
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GOROOT = `{cd .. && pwd}
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if(! ~ $#GOROOT_BOOTSTRAP 1)
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GOROOT_BOOTSTRAP = $home/go1.4
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for(p in $path){
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if(! test -x $GOROOT_BOOTSTRAP/bin/go){
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if(go_exe = `{path=$p whatis go}){
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goroot = `{GOROOT='' $go_exe env GOROOT}
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if(! ~ $goroot $GOROOT){
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GOROOT_BOOTSTRAP = $goroot
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}
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}
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}
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}
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if(! test -x $GOROOT_BOOTSTRAP/bin/go){
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echo 'ERROR: Cannot find '$GOROOT_BOOTSTRAP'/bin/go.' >[1=2]
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echo 'Set $GOROOT_BOOTSTRAP to a working Go tree >= Go 1.4.' >[1=2]
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exit bootstrap
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}
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if(~ $GOROOT_BOOTSTRAP $GOROOT){
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echo 'ERROR: $GOROOT_BOOTSTRAP must not be set to $GOROOT' >[1=2]
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echo 'Set $GOROOT_BOOTSTRAP to a working Go tree >= Go 1.4.' >[1=2]
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exit bootstrap
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}
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echo 'Building Go cmd/dist using '^$GOROOT_BOOTSTRAP
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if(~ $#vflag 1)
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echo cmd/dist
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GOROOT=$GOROOT_BOOTSTRAP GOOS='' GOARCH='' $GOROOT_BOOTSTRAP/bin/go build -o cmd/dist/dist ./cmd/dist
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eval `{./cmd/dist/dist env -9}
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if(~ $#vflag 1)
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echo
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if(~ $1 --dist-tool){
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# Stop after building dist tool.
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mkdir -p $GOTOOLDIR
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if(! ~ $2 '')
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cp cmd/dist/dist $2
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mv cmd/dist/dist $GOTOOLDIR/dist
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exit
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}
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buildall = -a
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if(~ $1 --no-clean) {
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buildall = ()
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shift
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}
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# Run dist bootstrap to complete make.bash.
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# Bootstrap installs a proper cmd/dist, built with the new toolchain.
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# Throw ours, built with Go 1.4, away after bootstrap.
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./cmd/dist/dist bootstrap $vflag $buildall $*
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rm -f ./cmd/dist/dist
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# DO NOT ADD ANY NEW CODE HERE.
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# The bootstrap+rm above are the final step of make.rc.
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# If something must be added, add it to cmd/dist's cmdbootstrap,
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# to avoid needing three copies in three different shell languages
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# (make.bash, make.bat, make.rc).
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