#!/bin/sh
# Little Utility Application to get the OpenZwave Build Configuration
#
# You can use it in Makefiles etc as:
# gcc `ozw_config --Libs` `ozw_config --Cflags` test.c -o test
echoerr() { echo "$@" 1>&2; }

function getValue {
	IFS="=: "
	while read -r name value 
	do
		if [ "--"$name == $1 ]
		then
			echo "${value//\"/}" | tr -d '\r\n'
		fi
	done <<< $inputfile
}

pcfile=@pkgconfigfile@
key=$1
if [ "$key" == "--with-pc" ]
then
	pcfile=$2
	key=$3
fi
if [ ! -f $pcfile ]
then
	echoerr "$pcfile does not exist"
	exit 128
fi

inputfile=`cat $pcfile | grep -vE '^(\s*$|#)'`
if [ ! -z $key ] || [ "$key" == "--help" ] 
then
	if [ "$key" == "--Libs" ]
	then
		value="-L$(getValue "--libdir") -lopenzwave"
	elif [ "$key" == "--Cflags" ]
	then
		value="-I$(getValue "--includedir")"
	else
		value=$(getValue $key)
	fi
	if [ ! -z "$value" ]
	then
		echo $value
	else
		exit 128
	fi
else
	echo "OpenZWave Build Configuration Utility"
	echo ""
	echo "Options Available:"
	echo "--with-pc <file> - Use a Alternative pc file"
	echo ""
	echo "Get Build Variables:"
	IFS="=: "
	while read -r name value 
	do
		echo "--${name//\"/}"
	done <<< $inputfile
fi