#!/bin/sh

PREFIX=
COMPILE=COMPILE
LINT=LINT
BUILD=build/

while getopts "p:c:b:l:" opt; do
	case "$opt" in
		p) PREFIX="$OPTARG"_;;
		c) COMPILE="$OPTARG";;
		l) LINT="$OPTARG";;
		b) BUILD=build/"$OPTARG";;
		*) echo "unrecognised option -$OPTARG" >&2; exit 1;;
	esac
done

shift $((OPTIND - 1))

# create all subdirectories
mkdir -p $(echo "${@}" | tr ' ' '\n' | sed "s|[^/]*$||;s|^|${BUILD}/|" | uniq)

for s in ${@}; do
obj="${BUILD}/${s%.*}.o"
lint="${obj}.l"
dep="${obj}.d"

cat << ENDRULES >> deps.mk

${PREFIX}OBJS += ${obj}
${PREFIX}LINTS += ${lint}
${dep}:
-include ${dep}

${obj}: ${s}
	\$(${COMPILE}) -c ${s} -o ${obj}

${lint}: ${s}
	\$(${LINT}) -c ${s} -o /dev/null

ENDRULES
done