#!/bin/sh

fail() {
	echo "$0: $*" >&2
	exit 1
}

ODIN_FLAGS="-vet -warnings-as-errors -reloc-mode=pic"

output="output"

for arg ; do
	case "$arg" in
		--runtime=*)
			runtime="${arg#*=}"
			;;
		--output=*)
			output="${arg#*=}"
			;;
		--release)
			release=1
			;;
		--client)
			ODIN_FLAGS="$ODIN_FLAGS -define:DJUP_CLIENT=true"
			;;
		--server)
			ODIN_FLAGS="$ODIN_FLAGS -define:DJUP_SERVER=true"
			;;
		*)
			echo "usage"
			;;
	esac
done

if [ -z "$runtime" ]; then
	echo "Guessing runtime ..."

	case "$(uname -s)" in
		Linux)
			case "$(uname -m)" in
				x86_64)
					runtime="linux-x64"
					;;
			esac
			;;
	esac
fi

case "$runtime" in
	linux-x64)
		sofile="libdjup.so"
		target="linux_amd64"
		;;
	*)
		fail "Unsupported runtime $runtime"
esac

if [ ! -z "$release" ]; then
	optimize="-o=speed"
else
	optimize="-o=none"
fi

echo Building for runtime "$runtime ..."
echo ODIN_FLAGS=$ODIN_FLAGS
mkdir -p "$output/$runtime" && \
	odin build . -build-mode=shared -out="$output/$runtime/$sofile" $ODIN_FLAGS $optimize && \
	echo Done