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go/src/make.bat
Russ Cox 07c57aff5d all: use Go 1.17.13 for bootstrap 
Previously we used Go 1.17, but we realized thanks to tickling
a pre-Go1.17.3 bug that if we are going to change the bootstrap
toolchain that we should default to the latest available point release
at the time we make the switch, not the initial major release, so as
to avoid bugs that were fixed in the point releases.

This CL updates the default search locations and the release notes.

Users who run make.bash and depend on finding $HOME/sdk/go1.17
may need to run

	go install golang.org/dl/go1.17.13@latest
	go1.17.13 download

to provide a Go 1.17.13 toolchain to their builds.

Change-Id: I3a2511f088cf852470a7216a5a41ae775fb561b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/439419
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-10-17 19:46:59 +00:00

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:: 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.
:: Environment variables that control make.bat:
::
:: 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.
::
:: CC: Command line to run to compile C code for GOHOSTARCH.
:: Default is "gcc".
::
:: CC_FOR_TARGET: Command line to run compile C code for GOARCH.
:: This is used by cgo. Default is CC.
::
:: FC: Command line to run to compile Fortran code.
:: This is used by cgo. Default is "gfortran".
@echo off
:: Keep environment variables within this script
:: unless invoked with --no-local.
if x%1==x--no-local goto nolocal
if x%2==x--no-local goto nolocal
if x%3==x--no-local goto nolocal
if x%4==x--no-local goto nolocal
setlocal
:nolocal
set GOBUILDFAIL=0
if exist make.bat goto ok
echo Must run make.bat from Go src directory.
goto fail
:ok
:: Clean old generated file that will cause problems in the build.
del /F ".\pkg\runtime\runtime_defs.go" 2>NUL
:: Set GOROOT for build.
cd ..
set GOROOT_TEMP=%CD%
set GOROOT=
cd src
set vflag=
if x%1==x-v set vflag=-v
if x%2==x-v set vflag=-v
if x%3==x-v set vflag=-v
if x%4==x-v set vflag=-v
if not exist ..\bin\tool mkdir ..\bin\tool
:: Calculating GOROOT_BOOTSTRAP
if not "x%GOROOT_BOOTSTRAP%"=="x" goto bootstrapset
for /f "tokens=*" %%g in ('where go 2^>nul') do (
if "x%GOROOT_BOOTSTRAP%"=="x" (
for /f "tokens=*" %%i in ('%%g env GOROOT 2^>nul') do (
if /I not "%%i"=="%GOROOT_TEMP%" (
set GOROOT_BOOTSTRAP=%%i
)
)
)
)
set bootgo=1.17.13
if "x%GOROOT_BOOTSTRAP%"=="x" if exist "%HOMEDRIVE%%HOMEPATH%\go%bootgo%" set GOROOT_BOOTSTRAP=%HOMEDRIVE%%HOMEPATH%\go%bootgo%
if "x%GOROOT_BOOTSTRAP%"=="x" if exist "%HOMEDRIVE%%HOMEPATH%\sdk\go%bootgo%" set GOROOT_BOOTSTRAP=%HOMEDRIVE%%HOMEPATH%\sdk\go%bootgo%
if "x%GOROOT_BOOTSTRAP%"=="x" set GOROOT_BOOTSTRAP=%HOMEDRIVE%%HOMEPATH%\Go1.4
:bootstrapset
if not exist "%GOROOT_BOOTSTRAP%\bin\go.exe" goto bootstrapfail
set GOROOT=%GOROOT_TEMP%
set GOROOT_TEMP=
setlocal
set GOOS=
set GOARCH=
set GOEXPERIMENT=
for /f "tokens=*" %%g IN ('"%GOROOT_BOOTSTRAP%\bin\go" version') do (set GOROOT_BOOTSTRAP_VERSION=%%g)
set GOROOT_BOOTSTRAP_VERSION=%GOROOT_BOOTSTRAP_VERSION:go version =%
echo Building Go cmd/dist using %GOROOT_BOOTSTRAP%. (%GOROOT_BOOTSTRAP_VERSION%)
if x%vflag==x-v echo cmd/dist
set GOROOT=%GOROOT_BOOTSTRAP%
set GOBIN=
set GO111MODULE=off
set GOENV=off
set GOFLAGS=
"%GOROOT_BOOTSTRAP%\bin\go.exe" build -o cmd\dist\dist.exe .\cmd\dist
endlocal
if errorlevel 1 goto fail
.\cmd\dist\dist.exe env -w -p >env.bat
if errorlevel 1 goto fail
call .\env.bat
del env.bat
if x%vflag==x-v echo.
if x%1==x--dist-tool goto copydist
if x%2==x--dist-tool goto copydist
if x%3==x--dist-tool goto copydist
if x%4==x--dist-tool goto copydist
set bootstrapflags=
if x%1==x--no-clean set bootstrapflags=--no-clean
if x%2==x--no-clean set bootstrapflags=--no-clean
if x%3==x--no-clean set bootstrapflags=--no-clean
if x%4==x--no-clean set bootstrapflags=--no-clean
if x%1==x--no-banner set bootstrapflags=%bootstrapflags% --no-banner
if x%2==x--no-banner set bootstrapflags=%bootstrapflags% --no-banner
if x%3==x--no-banner set bootstrapflags=%bootstrapflags% --no-banner
if x%4==x--no-banner set bootstrapflags=%bootstrapflags% --no-banner
:: 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.exe bootstrap -a %vflag% %bootstrapflags%
if errorlevel 1 goto fail
del .\cmd\dist\dist.exe
goto end
:: DO NOT ADD ANY NEW CODE HERE.
:: The bootstrap+del above are the final step of make.bat.
:: 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).
:copydist
mkdir "%GOTOOLDIR%" 2>NUL
copy cmd\dist\dist.exe "%GOTOOLDIR%\"
goto end
:bootstrapfail
echo ERROR: Cannot find %GOROOT_BOOTSTRAP%\bin\go.exe
echo Set GOROOT_BOOTSTRAP to a working Go tree ^>= Go %bootgo%.
:fail
set GOBUILDFAIL=1
if x%GOBUILDEXIT%==x1 exit %GOBUILDFAIL%
:end
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