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https://github.com/golang/go
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50 lines
1.5 KiB
Bash
50 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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export 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: '$GOROOT 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 $GOROOT '"$GOROOT"': does not match current directory.' 1>&2
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exit 1
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fi
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export GOBIN=${GOBIN:-"$GOROOT/bin"}
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if [ ! -d "$GOBIN" -a "$GOBIN" != "$GOROOT/bin" ]; then
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echo '$GOBIN is not a directory or does not exist' 1>&2
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echo 'create it or set $GOBIN differently' 1>&2
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exit 1
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fi
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export OLDPATH=$PATH
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export PATH=/bin:/usr/bin:"$GOBIN":$PATH
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MAKE=make
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if ! make --version 2>/dev/null | grep 'GNU Make' >/dev/null; then
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MAKE=gmake
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fi
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# Tried to use . <($MAKE ...) here, but it cannot set environment
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# variables in the version of bash that ships with OS X. Amazing.
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eval $($MAKE --no-print-directory -f Make.inc go-env | egrep 'GOARCH|GOOS|GO_ENV')
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# Shell doesn't tell us whether make succeeded,
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# so Make.inc generates a fake variable name.
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if [ "$MAKE_GO_ENV_WORKED" != 1 ]; then
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echo 'Did not find Go environment variables.' 1>&2
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exit 1
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fi
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unset MAKE_GO_ENV_WORKED
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