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Diffstat (limited to '')
| -rwxr-xr-x | src/make.rc | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/make.rc b/src/make.rc new file mode 100755 index 0000000..e17ee31 --- /dev/null +++ b/src/make.rc @@ -0,0 +1,117 @@ +#!/bin/rc -e +# Copyright 2012 The Go Authors. All rights reserved. +# Use of this source code is governed by a BSD-style +# license that can be found in the LICENSE file. + +# See golang.org/s/go15bootstrap for an overview of the build process. + +# Environment variables that control make.rc: +# +# GOROOT_FINAL: The expected final Go root, baked into binaries. +# The default is the location of the Go tree during the build. +# +# GOHOSTARCH: The architecture for host tools (compilers and +# binaries). Binaries of this type must be executable on the current +# system, so the only common reason to set this is to set +# GOHOSTARCH=386 on an amd64 machine. +# +# GOARCH: The target architecture for installed packages and tools. +# +# GOOS: The target operating system for installed packages and tools. +# +# GO_GCFLAGS: Additional go tool compile arguments to use when +# building the packages and commands. +# +# GO_LDFLAGS: Additional go tool link arguments to use when +# building the commands. +# +# CGO_ENABLED: Controls cgo usage during the build. Set it to 1 +# to include all cgo related files, .c and .go file with "cgo" +# build directive, in the build. Set it to 0 to ignore them. + +rfork e +if(! test -f run.rc){ + echo 'make.rc must be run from $GOROOT/src' >[1=2] + exit wrongdir +} + +# Clean old generated file that will cause problems in the build. +rm -f ./runtime/runtime_defs.go + +# Determine the host compiler toolchain. +eval `{grep '^(CC|LD|O)=' /$objtype/mkfile} + +vflag=() +if(~ $1 -v) { + vflag=(-v) + shift +} + +bootgo = 1.17.13 +GOROOT = `{cd .. && pwd} +goroot_bootstrap_set = 'true' +if(! ~ $#GOROOT_BOOTSTRAP 1){ + goroot_bootstrap_set = 'false' + GOROOT_BOOTSTRAP = $home/go1.4 + for(d in sdk/go$bootgo go$bootgo) + if(test -d $home/$d) + GOROOT_BOOTSTRAP = $home/$d +} +for(p in $path){ + if(! test -x $GOROOT_BOOTSTRAP/bin/go){ + if(go_exe = `{path=$p whatis go}){ + goroot = `{GOROOT='' $go_exe env GOROOT} + if(! ~ $goroot $GOROOT){ + if(~ $goroot_bootstrap_set 'true'){ + echo 'WARNING: '$GOROOT_BOOTSTRAP'/bin/go does not exist, found '$go_exe' from env' >[1=2] + echo 'WARNING: set '$goroot' as GOROOT_BOOTSTRAP' >[1=2] + } + GOROOT_BOOTSTRAP = $goroot + } + } + } +} +if(! test -x $GOROOT_BOOTSTRAP/bin/go){ + echo 'ERROR: Cannot find '$GOROOT_BOOTSTRAP'/bin/go.' >[1=2] + echo 'Set $GOROOT_BOOTSTRAP to a working Go tree >= Go '$bootgo'.' >[1=2] + exit bootstrap +} +if(~ $GOROOT_BOOTSTRAP $GOROOT){ + echo 'ERROR: $GOROOT_BOOTSTRAP must not be set to $GOROOT' >[1=2] + echo 'Set $GOROOT_BOOTSTRAP to a working Go tree >= Go '$bootgo'.' >[1=2] + exit bootstrap +} + +# Get the exact bootstrap toolchain version to help with debugging. +# We clear GOOS and GOARCH to avoid an ominous but harmless warning if +# the bootstrap doesn't support them. +GOROOT_BOOTSTRAP_VERSION=`{GOOS='' GOARCH='' GOEXPERIMENT='' $GOROOT_BOOTSTRAP/bin/go version | sed 's/go version //'} +echo 'Building Go cmd/dist using '$GOROOT_BOOTSTRAP'. ('$"GOROOT_BOOTSTRAP_VERSION')' +if(~ $#vflag 1) + echo cmd/dist +GOROOT=$GOROOT_BOOTSTRAP GOOS='' GOARCH='' GOEXPERIMENT='' GO111MODULE=off GOENV=off GOFLAGS='' $GOROOT_BOOTSTRAP/bin/go build -o cmd/dist/dist ./cmd/dist + +eval `{./cmd/dist/dist env -9} +if(~ $#vflag 1) + echo + +if(~ $1 --dist-tool){ + # Stop after building dist tool. + mkdir -p $GOTOOLDIR + if(! ~ $2 '') + cp cmd/dist/dist $2 + mv cmd/dist/dist $GOTOOLDIR/dist + exit +} + +# Run dist bootstrap to complete make.bash. +# Bootstrap installs a proper cmd/dist, built with the new toolchain. +# Throw ours, built with the bootstrap toolchain, away after bootstrap. +./cmd/dist/dist bootstrap -a $vflag $* +rm -f ./cmd/dist/dist + +# DO NOT ADD ANY NEW CODE HERE. +# The bootstrap+rm above are the final step of make.rc. +# If something must be added, add it to cmd/dist's cmdbootstrap, +# to avoid needing three copies in three different shell languages +# (make.bash, make.bat, make.rc). |