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https://github.com/golang/go
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56 lines
1.5 KiB
Bash
56 lines
1.5 KiB
Bash
#!/usr/bin/env bash
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# Copyright 2009 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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if test -z "$GOBIN"; then
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if ! test -d "$HOME"/bin; then
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echo '$GOBIN is not set and $HOME/bin is not a directory or does not exist.' 1>&2
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echo 'mkdir $HOME/bin or set $GOBIN to a directory where binaries should' 1>&2
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echo 'be installed.' 1>&2
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exit 1
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fi
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GOBIN="$HOME/bin"
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elif ! test -d "$GOBIN"; then
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echo '$GOBIN is not a directory or does not exist' 1>&2
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echo 'create it or set $GOBIN differently' 1>&2
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exit 1
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fi
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GOROOT=${GOROOT:-$(cd ..; pwd)}
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if ! test -f "$GOROOT"/include/u.h
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then
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echo '$GOROOT is not set correctly or not exported' 1>&2
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exit 1
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fi
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# Double-check that we're in $GOROOT, for people with multiple Go trees.
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# Various aspects of the build cd into $GOROOT-rooted paths,
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# making it easy to jump to a different tree and get confused.
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DIR1=$(cd ..; pwd)
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DIR2=$(cd $GOROOT; pwd)
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if [ "$DIR1" != "$DIR2" ]; then
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echo 'Suspicious $GOROOT: does not match current directory.' 1>&2
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exit 1
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fi
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GOARCH=${GOARCH:-$(uname -m | sed 's/^..86$/386/; s/^.86$/386/; s/x86_64/amd64/')}
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case "$GOARCH" in
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amd64 | 386 | arm)
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;;
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*)
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echo '$GOARCH is set to <'$GOARCH'>, must be amd64, 386, or arm' 1>&2
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exit 1
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esac
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GOOS=${GOOS:-$(uname | tr A-Z a-z)}
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case "$GOOS" in
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darwin | freebsd | linux | windows | nacl)
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;;
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*)
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echo '$GOOS is set to <'$GOOS'>, must be darwin, freebsd, linux, windows, or nacl' 1>&2
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exit 1
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esac
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export GOBIN GOROOT GOARCH GOOS
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