Text file src/bootstrap.bash

 1 #!/usr/bin/env bash
 2 # Copyright 2015 The Go Authors. All rights reserved.
 3 # Use of this source code is governed by a BSD-style
 4 # license that can be found in the LICENSE file.
 5 
 6 # When run as (for example)
 7 #
 8 #	GOOS=linux GOARCH=ppc64 bootstrap.bash
 9 #
 10 # this script cross-compiles a toolchain for that GOOS/GOARCH
 11 # combination, leaving the resulting tree in ../../go-${GOOS}-${GOARCH}-bootstrap.
 12 # That tree can be copied to a machine of the given target type
 13 # and used as $GOROOT_BOOTSTRAP to bootstrap a local build.
 14 #
 15 # Only changes that have been committed to Git (at least locally,
 16 # not necessary reviewed and submitted to master) are included in the tree.
 17 #
 18 # See also golang.org/x/build/cmd/genbootstrap, which is used
 19 # to generate bootstrap tgz files for builders.
 20 
 21 set -e
 22 
 23 if [ "$GOOS" = "" -o "$GOARCH" = "" ]; then
 24 	echo "usage: GOOS=os GOARCH=arch ./bootstrap.bash [-force]" >&2
 25 	exit 2
 26 fi
 27 
 28 forceflag=""
 29 if [ "1ドル" = "-force" ]; then
 30 	forceflag=-force
 31 	shift
 32 fi
 33 
 34 targ="../../go-${GOOS}-${GOARCH}-bootstrap"
 35 if [ -e $targ ]; then
 36 	echo "$targ already exists; remove before continuing"
 37 	exit 2
 38 fi
 39 
 40 unset GOROOT
 41 src=$(cd .. && pwd)
 42 echo "#### Copying to $targ"
 43 cp -Rp "$src" "$targ"
 44 cd "$targ"
 45 echo
 46 echo "#### Cleaning $targ"
 47 chmod -R +w .
 48 rm -f .gitignore
 49 if [ -e .git ]; then
 50 	git clean -f -d
 51 fi
 52 echo
 53 echo "#### Building $targ"
 54 echo
 55 cd src
 56 ./make.bash --no-banner $forceflag
 57 gohostos="$(../bin/go env GOHOSTOS)"
 58 gohostarch="$(../bin/go env GOHOSTARCH)"
 59 goos="$(../bin/go env GOOS)"
 60 goarch="$(../bin/go env GOARCH)"
 61 
 62 # NOTE: Cannot invoke go command after this point.
 63 # We're about to delete all but the cross-compiled binaries.
 64 cd ..
 65 if [ "$goos" = "$gohostos" -a "$goarch" = "$gohostarch" ]; then
 66 	# cross-compile for local system. nothing to copy.
 67 	# useful if you've bootstrapped yourself but want to
 68 	# prepare a clean toolchain for others.
 69 	true
 70 else
 71 	rm -f bin/go_${goos}_${goarch}_exec
 72 	mv bin/*_*/* bin
 73 	rmdir bin/*_*
 74 	rm -rf "pkg/${gohostos}_${gohostarch}" "pkg/tool/${gohostos}_${gohostarch}"
 75 fi
 76 
 77 rm -rf pkg/bootstrap pkg/obj .git
 78 
 79 echo ----
 80 echo Bootstrap toolchain for "$GOOS/$GOARCH" installed in "$(pwd)".
 81 echo Building tbz.
 82 cd ..
 83 tar cf - "go-${GOOS}-${GOARCH}-bootstrap" | bzip2 -9 >"go-${GOOS}-${GOARCH}-bootstrap.tbz"
 84 ls -l "$(pwd)/go-${GOOS}-${GOARCH}-bootstrap.tbz"
 85 exit 0
 86 

View as plain text