#!/bin/bash
# Copyright 2012 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found at the end of this file

# support functions for go cross compilation

type setopt >/dev/null 2>&1 && setopt shwordsplit
PLATFORMS="darwin/386 darwin/amd64 freebsd/386 freebsd/amd64 freebsd/arm linux/386 linux/amd64 linux/arm windows/386 windows/amd64"

function go-alias {
	GOOS=${1%/*}
	GOARCH=${1#*/}
	eval "function go-${GOOS}-${GOARCH} { ( GOOS=${GOOS} GOARCH=${GOARCH} go \$@ ) }"
}

function go-crosscompile-build {
	GOOS=${1%/*}
	GOARCH=${1#*/}
	cd $(go env GOROOT)/src ; GOOS=${GOOS} GOARCH=${GOARCH} ./make.bash --no-clean 2>&1
}

function go-crosscompile-build-all {
	FAILURES=""
	for PLATFORM in $PLATFORMS; do
		CMD="go-crosscompile-build ${PLATFORM}"
		echo "$CMD"
		$CMD || FAILURES="$FAILURES $PLATFORM"
	done
	if [ "$FAILURES" != "" ]; then
	    echo "*** go-crosscompile-build-all FAILED on $FAILURES ***"
	    return 1
	fi
}	

function go-all {
	FAILURES=""
	for PLATFORM in $PLATFORMS; do
		GOOS=${PLATFORM%/*}
		GOARCH=${PLATFORM#*/}
		CMD="go-${GOOS}-${GOARCH} $@"
		echo "$CMD"
		$CMD || FAILURES="$FAILURES $PLATFORM"
	done
	if [ "$FAILURES" != "" ]; then
	    echo "*** go-all FAILED on $FAILURES ***"
	    return 1
	fi
}

function go-build-all {
	FAILURES=""
	for PLATFORM in $PLATFORMS; do
		GOOS=${PLATFORM%/*}
		GOARCH=${PLATFORM#*/}
		OUTPUT=`echo $@ | sed 's/\.go//'` 
		CMD="go-${GOOS}-${GOARCH} build -o $OUTPUT-${GOOS}-${GOARCH} $@"
		echo "$CMD"
		$CMD || FAILURES="$FAILURES $PLATFORM"
	done
	if [ "$FAILURES" != "" ]; then
	    echo "*** go-build-all FAILED on $FAILURES ***"
	    return 1
	fi
}

for PLATFORM in $PLATFORMS; do
	go-alias $PLATFORM
done

unset -f go-alias



#Copyright (c) 2012 The Go Authors. All rights reserved.
#
#Redistribution and use in source and binary forms, with or without
#modification, are permitted provided that the following conditions are
#met:
#
#*	 Redistributions of source code must retain the above copyright
#notice, this list of conditions and the following disclaimer.
#	* Redistributions in binary form must reproduce the above
#copyright notice, this list of conditions and the following disclaimer
#in the documentation and/or other materials provided with the
#distribution.
#	* Neither the name of Google Inc. nor the names of its
#contributors may be used to endorse or promote products derived from
#this software without specific prior written permission.

#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
#OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
#THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.