mirror of
https://github.com/golang/go
synced 2024-11-25 05:57:57 -07:00
71ba47ac9e
I got it backwards last time, and somehow that was leaking into the parent shell? R=golang-dev, iant CC=golang-dev https://golang.org/cl/4826054
107 lines
2.4 KiB
Bash
107 lines
2.4 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 set to a Windows-style path convert to an MSYS-Unix
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# one using the built-in shell commands.
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if [[ "$GOROOT" == *:* ]]; then
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GOROOT=$(cd "$GOROOT"; pwd)
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fi
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if [[ "$GOBIN" == *:* ]]; then
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GOBIN=$(cd "$GOBIN"; pwd)
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fi
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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="$GOBIN":$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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PROGS="
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ar
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awk
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bash
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bison
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chmod
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cp
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cut
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echo
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egrep
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gcc
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grep
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ls
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mkdir
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mv
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pwd
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rm
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sed
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sort
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tee
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touch
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tr
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true
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uname
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uniq
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"
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for i in $PROGS; do
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if ! which $i >/dev/null 2>&1; then
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echo "Cannot find '$i' on search path." 1>&2
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echo "See http://golang.org/doc/install.html#ctools" 1>&2
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exit 1
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fi
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done
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if bison --version 2>&1 | grep 'bison++' >/dev/null 2>&1; then
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echo "Your system's 'bison' is bison++."
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echo "Go needs the original bison instead." 1>&2
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echo "See http://golang.org/doc/install.html#ctools" 1>&2
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exit 1
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fi
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# Issue 2020: some users configure bash to default to
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# set -o noclobber
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# which makes >x fail if x already exists. Restore sanity.
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set +o noclobber
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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|GOHOSTARCH|GOHOSTOS|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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