#!/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: # # 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 } fn nogoenv { GO111MODULE=off GOENV=off GOOS=() GOARCH=() GOEXPERIMENT=() GOFLAGS=() $* } bootgo = 1.20.6 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=() nogoenv $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=`{nogoenv $GOROOT_BOOTSTRAP/bin/go version | sed 's/go version //'} echo 'Building Go cmd/dist using '$GOROOT_BOOTSTRAP'. ('$"GOROOT_BOOTSTRAP_VERSION')' if(~ $#vflag 1) echo cmd/dist GOROOT=$GOROOT_BOOTSTRAP nogoenv $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).