| #!/usr/bin/env bash |
| # Copyright 2009 The Go Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style |
| # license that can be found in the LICENSE file. |
| |
| # If set to a Windows-style path convert to an MSYS-Unix |
| # one using the built-in shell commands. |
| if [[ "$GOROOT" == *:* ]]; then |
| GOROOT=$(cd "$GOROOT"; pwd) |
| fi |
| |
| if [[ "$GOBIN" == *:* ]]; then |
| GOBIN=$(cd "$GOBIN"; pwd) |
| fi |
| |
| export GOROOT=${GOROOT:-$(cd ..; pwd)} |
| |
| if ! test -f "$GOROOT"/include/u.h |
| then |
| echo '$GOROOT is not set correctly or not exported: '$GOROOT 1>&2 |
| exit 1 |
| fi |
| |
| # Double-check that we're in $GOROOT, for people with multiple Go trees. |
| # Various aspects of the build cd into $GOROOT-rooted paths, |
| # making it easy to jump to a different tree and get confused. |
| DIR1=$(cd ..; pwd) |
| DIR2=$(cd "$GOROOT"; pwd) |
| if [ "$DIR1" != "$DIR2" ]; then |
| echo 'Suspicious $GOROOT '"$GOROOT"': does not match current directory.' 1>&2 |
| exit 1 |
| fi |
| |
| export GOBIN=${GOBIN:-"$GOROOT/bin"} |
| if [ ! -d "$GOBIN" -a "$GOBIN" != "$GOROOT/bin" ]; then |
| echo '$GOBIN is not a directory or does not exist' 1>&2 |
| echo 'create it or set $GOBIN differently' 1>&2 |
| exit 1 |
| fi |
| |
| export OLDPATH=$PATH |
| export PATH="$GOBIN":/bin:/usr/bin:$PATH |
| |
| MAKE=make |
| if ! make --version 2>/dev/null | grep 'GNU Make' >/dev/null; then |
| MAKE=gmake |
| fi |
| |
| # Tried to use . <($MAKE ...) here, but it cannot set environment |
| # variables in the version of bash that ships with OS X. Amazing. |
| eval $($MAKE --no-print-directory -f Make.inc go-env | egrep 'GOARCH|GOOS|GOHOSTARCH|GOHOSTOS|GO_ENV') |
| |
| # Shell doesn't tell us whether make succeeded, |
| # so Make.inc generates a fake variable name. |
| if [ "$MAKE_GO_ENV_WORKED" != 1 ]; then |
| echo 'Did not find Go environment variables.' 1>&2 |
| exit 1 |
| fi |
| unset MAKE_GO_ENV_WORKED |