#! /bin/sh

function syntax {
	echo "Syntax:"
	echo " build.<arch> [-compiler <compiler>] [-cpu <cpu>] [-machine <machine>]"
	echo
	echo "<arch>     ... amd64, ia32, ia64, mips32, ppc32, sparc64"
	echo "<compiler> ... native, *cross"
	echo "<cpu>      ... for ia32: athlon-xp, athlon-mp, pentium3, *pentium4, prescott"
	echo "<machine>  ... for mips32: *msim, msim4kc, simics, lgxemul, bgxemul, indy"
	echo
}

ARCH="`basename "$0" | awk -F. '{ if (NF > 1) print \$NF }'`"
if [ -z "$ARCH" ]; then
	syntax
	exit 1
fi

ARGS=""
while [ "$#" -gt 0 ]; do
	case "$1" in
		-compiler)
			if [ -z "$2" ]; then
				syntax
				exit 1
			fi
			ARGS="$ARGS COMPILER=$2"
			shift
			;;
		-cpu)
			if [ -z "$2" ]; then
				syntax
				exit 1
			fi
			ARGS="$ARGS CPU=$2"
			shift
			;;
		-machine)
			if [ -z "$2" ]; then
				syntax
				exit 1
			fi
			ARGS="$ARGS MACHINE=$2"
			shift
			;;
		*)
			syntax
			exit 1
			;;
	esac
	shift
done

TAG="`svnversion . 2> /dev/null`"
TIMESTAMP="`date "+%Y-%m-%d %H:%M:%S" 2> /dev/null`"
if [ -z "$TAG" ] || [ "$TAG" == "exported" ]; then
	TAG="Built on $TIMESTAMP for $ARCH"
else
	TAG="Revision $TAG (built on $TIMESTAMP for $ARCH)"
fi

make all "ARCH=$ARCH" "TAG=$TAG" $ARGS