#!/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.

set -e
GOBIN="${GOBIN:-$HOME/bin}"
export MAKEFLAGS=-j4

if ! test -f "$GOROOT"/include/u.h
then
	echo '$GOROOT is not set correctly or not exported' 1>&2
	exit 1
fi

if ! test -d $GOBIN
then
	echo '$GOBIN is not a directory or does not exist' 1>&2
	echo 'create it or set $GOBIN differently' 1>&2
	exit 1
fi

case "$GOARCH" in
arm)
	;;
*)
	echo '$GOARCH is set to <'$GOARCH'>, must be arm' 1>&2
	exit 1
esac

case "$GOOS" in
linux)
	;;
*)
	echo '$GOOS is set to <'$GOOS'>, must be linux' 1>&2
	exit 1
esac

bash clean.bash

rm -f $GOBIN/quietgcc
cp quietgcc.bash $GOBIN/quietgcc
chmod +x $GOBIN/quietgcc

rm -f $GOBIN/gomake
MAKE=make
if ! make --version 2>/dev/null | grep 'GNU Make' >/dev/null; then
	MAKE=gmake
fi
(echo '#!/bin/sh'; echo 'exec '$MAKE' "$@"') >$GOBIN/gomake
chmod +x $GOBIN/gomake

bash clean.bash

# TODO(kaib): converge with normal build
#for i in lib9 libbio libmach cmd pkg libcgo cmd/cgo cmd/ebnflint cmd/godoc cmd/gofmt
for i in lib9 libbio libmach cmd pkg cmd/ebnflint cmd/godoc cmd/gofmt
do
	# The ( ) here are to preserve the current directory
	# for the next round despite the cd $i below.
	# set -e does not apply to ( ) so we must explicitly
	# test the exit status.
	(
		echo; echo; echo %%%% making $i %%%%; echo
		cd $i
		case $i in
		cmd)
			bash make.bash
			;;
		pkg)
			bash deps.bash
			gomake install
			;;
		*)
			make install
		esac
	)  || exit 1
done

case "`uname`" in
Darwin)
	echo;
	echo %%% run sudo.bash to install debuggers
	echo
esac