codekingpro/portable-devtools

1#!/bin/rc -e2# Copyright 2012 The Go Authors. All rights reserved.3# Use of this source code is governed by a BSD-style4# license that can be found in the LICENSE file.5 6# See golang.org/s/go15bootstrap for an overview of the build process.7 8# Environment variables that control make.rc:9#10# GOHOSTARCH: The architecture for host tools (compilers and11# binaries).  Binaries of this type must be executable on the current12# system, so the only common reason to set this is to set13# GOHOSTARCH=386 on an amd64 machine.14#15# GOARCH: The target architecture for installed packages and tools.16#17# GOOS: The target operating system for installed packages and tools.18#19# GO_GCFLAGS: Additional go tool compile arguments to use when20# building the packages and commands.21#22# GO_LDFLAGS: Additional go tool link arguments to use when23# building the commands.24#25# CGO_ENABLED: Controls cgo usage during the build. Set it to 126# to include all cgo related files, .c and .go file with "cgo"27# build directive, in the build. Set it to 0 to ignore them.28 29rfork e30if(! test -f run.rc){31	echo 'make.rc must be run from $GOROOT/src' >[1=2]32	exit wrongdir33}34 35# Clean old generated file that will cause problems in the build.36rm -f ./runtime/runtime_defs.go37 38# Determine the host compiler toolchain.39eval `{grep '^(CC|LD|O)=' /$objtype/mkfile}40 41vflag=()42if(~ $1 -v) {43	vflag=(-v)44	shift45}46 47fn bootstrapenv {48	GOROOT=$GOROOT_BOOTSTRAP GO111MODULE=off GOENV=off GOOS=() GOARCH=() GOEXPERIMENT=() GOFLAGS=() $*49}50 51bootgo = 1.24.652GOROOT = `{cd .. && pwd}53goroot_bootstrap_set = 'true'54if(~ $"GOROOT_BOOTSTRAP ''){55	goroot_bootstrap_set = 'false'56	GOROOT_BOOTSTRAP = $home/go1.457	for(d in sdk/go$bootgo go$bootgo)58		if(test -d $home/$d)59			GOROOT_BOOTSTRAP = $home/$d60}61for(p in $path){62	if(! test -x $GOROOT_BOOTSTRAP/bin/go){63		if(go_exe = `{path=$p whatis go}){64			goroot_bootstrap = $GOROOT_BOOTSTRAP65			GOROOT_BOOTSTRAP = ()66			goroot = `{bootstrapenv $go_exe env GOROOT}67			GOROOT_BOOTSTRAP = $goroot_bootstrap68			if(! ~ $goroot $GOROOT){69				if(~ $goroot_bootstrap_set 'true'){70					echo 'WARNING: '$GOROOT_BOOTSTRAP'/bin/go does not exist, found '$go_exe' from env' >[1=2]71					echo 'WARNING: set '$goroot' as GOROOT_BOOTSTRAP' >[1=2]72				}73				GOROOT_BOOTSTRAP = $goroot74			}75		}76	}77}78if(! test -x $GOROOT_BOOTSTRAP/bin/go){79	echo 'ERROR: Cannot find '$GOROOT_BOOTSTRAP'/bin/go.' >[1=2]80	echo 'Set $GOROOT_BOOTSTRAP to a working Go tree >= Go '$bootgo'.' >[1=2]81	exit bootstrap82}83if(~ $GOROOT_BOOTSTRAP $GOROOT){84	echo 'ERROR: $GOROOT_BOOTSTRAP must not be set to $GOROOT' >[1=2]85	echo 'Set $GOROOT_BOOTSTRAP to a working Go tree >= Go '$bootgo'.' >[1=2]86	exit bootstrap87}88 89# Get the exact bootstrap toolchain version to help with debugging.90# We clear GOOS and GOARCH to avoid an ominous but harmless warning if91# the bootstrap doesn't support them.92GOROOT_BOOTSTRAP_VERSION=`{bootstrapenv $GOROOT_BOOTSTRAP/bin/go version | sed 's/go version //'}93echo 'Building Go cmd/dist using '$GOROOT_BOOTSTRAP'. ('$"GOROOT_BOOTSTRAP_VERSION')'94if(~ $#vflag 1)95	echo cmd/dist96bootstrapenv $GOROOT_BOOTSTRAP/bin/go build -o cmd/dist/dist ./cmd/dist97 98eval `{./cmd/dist/dist env -9}99if(~ $#vflag 1)100	echo101 102if(~ $1 --dist-tool){103	# Stop after building dist tool.104	mkdir -p $GOTOOLDIR105	if(! ~ $2 '')106		cp cmd/dist/dist $2107	mv cmd/dist/dist $GOTOOLDIR/dist108	exit109}110 111# Run dist bootstrap to complete make.bash.112# Bootstrap installs a proper cmd/dist, built with the new toolchain.113# Throw ours, built with the bootstrap toolchain, away after bootstrap.114./cmd/dist/dist bootstrap -a $vflag $*115rm -f ./cmd/dist/dist116 117# DO NOT ADD ANY NEW CODE HERE.118# The bootstrap+rm above are the final step of make.rc.119# If something must be added, add it to cmd/dist's cmdbootstrap,120# to avoid needing three copies in three different shell languages121# (make.bash, make.bat, make.rc).122