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399ad79fa6
It's empty so far. The next CL adds linux/sparc64. Also add -force flag to the bootstrap.bash script so that it's possible to use it with broken ports. For #56679. Change-Id: I09c733d0df0a68df34fb808eae29be010a6da461 Reviewed-on: https://go-review.googlesource.com/c/go/+/458515 Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org>
86 lines
2.3 KiB
Bash
Executable File
86 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2015 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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# When run as (for example)
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#
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# GOOS=linux GOARCH=ppc64 bootstrap.bash
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#
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# this script cross-compiles a toolchain for that GOOS/GOARCH
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# combination, leaving the resulting tree in ../../go-${GOOS}-${GOARCH}-bootstrap.
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# That tree can be copied to a machine of the given target type
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# and used as $GOROOT_BOOTSTRAP to bootstrap a local build.
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#
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# Only changes that have been committed to Git (at least locally,
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# not necessary reviewed and submitted to master) are included in the tree.
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#
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# See also golang.org/x/build/cmd/genbootstrap, which is used
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# to generate bootstrap tgz files for builders.
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set -e
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if [ "$GOOS" = "" -o "$GOARCH" = "" ]; then
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echo "usage: GOOS=os GOARCH=arch ./bootstrap.bash [-force]" >&2
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exit 2
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fi
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forceflag=""
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if [ "$1" = "-force" ]; then
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forceflag=-force
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shift
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fi
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targ="../../go-${GOOS}-${GOARCH}-bootstrap"
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if [ -e $targ ]; then
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echo "$targ already exists; remove before continuing"
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exit 2
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fi
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unset GOROOT
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src=$(cd .. && pwd)
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echo "#### Copying to $targ"
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cp -Rp "$src" "$targ"
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cd "$targ"
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echo
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echo "#### Cleaning $targ"
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chmod -R +w .
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rm -f .gitignore
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if [ -e .git ]; then
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git clean -f -d
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fi
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echo
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echo "#### Building $targ"
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echo
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cd src
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./make.bash --no-banner $forceflag
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gohostos="$(../bin/go env GOHOSTOS)"
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gohostarch="$(../bin/go env GOHOSTARCH)"
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goos="$(../bin/go env GOOS)"
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goarch="$(../bin/go env GOARCH)"
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# NOTE: Cannot invoke go command after this point.
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# We're about to delete all but the cross-compiled binaries.
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cd ..
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if [ "$goos" = "$gohostos" -a "$goarch" = "$gohostarch" ]; then
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# cross-compile for local system. nothing to copy.
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# useful if you've bootstrapped yourself but want to
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# prepare a clean toolchain for others.
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true
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else
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rm -f bin/go_${goos}_${goarch}_exec
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mv bin/*_*/* bin
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rmdir bin/*_*
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rm -rf "pkg/${gohostos}_${gohostarch}" "pkg/tool/${gohostos}_${gohostarch}"
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fi
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rm -rf pkg/bootstrap pkg/obj .git
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echo ----
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echo Bootstrap toolchain for "$GOOS/$GOARCH" installed in "$(pwd)".
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echo Building tbz.
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cd ..
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tar cf - "go-${GOOS}-${GOARCH}-bootstrap" | bzip2 -9 >"go-${GOOS}-${GOARCH}-bootstrap.tbz"
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ls -l "$(pwd)/go-${GOOS}-${GOARCH}-bootstrap.tbz"
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exit 0
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