#!/bin/sh

if [ "$1" == "--version" ]; then
	echo "0.29.2"
	exit 0
elif [ "$1" == "--exists" ]; then
	NAME="$2"
	PRINT_ERRORS="0"
	if [ "$NAME" == "--print-errors" ]; then
		NAME="$3"
		PRINT_ERRORS="1"
	fi
	if [ "$NAME" == "zlib" ]; then
		exit 0
	elif [ "$NAME" == "opus" ]; then
		exit 0
	elif [ "$NAME" == "vpx" ]; then
		exit 0
	else
		if [ "PRINT_ERRORS" == "1" ]; then
			echo "Package $NAME was not found in the pkg-config search path."
			echo "Perhaps you should add the directory containing \`$NAME.pc'"
			echo "to the PKG_CONFIG_PATH environment variable"
		fi
		exit 1
	fi
elif [ "$1" == "--cflags" ]; then
	NAME="$2"
	LIBOPUS_PATH=""
	LIBVPX_PATH=""
	if [ "$2" == "--libopus_path" ]; then
		LIBOPUS_PATH="$3"
		NAME="$6"
	else
		exit 1
	fi
	if [ "$4" == "--libvpx_path" ]; then
		LIBVPX_PATH="$5"
	else
		exit 1
	fi
	if [ "$NAME" == "zlib" ]; then
		echo ""
		exit 0
	elif [ "$NAME" == "opus" ]; then
		echo "-I$LIBOPUS_PATH/include/opus"
		exit 0
	elif [ "$NAME" == "vpx" ]; then
		echo "-I$LIBVPX_PATH/include"
		exit 0
	else
		exit 1
	fi
elif [ "$1" == "--libs" ]; then
	NAME="$2"
	LIBOPUS_PATH=""
	LIBVPX_PATH=""
	if [ "$2" == "--libopus_path" ]; then
		LIBOPUS_PATH="$3"
		NAME="$6"
	else
		exit 1
	fi
	if [ "$4" == "--libvpx_path" ]; then
		LIBVPX_PATH="$5"
	else
		exit 1
	fi
	if [ "$NAME" == "zlib" ]; then
		echo "-lz"
		exit 0
	elif [ "$NAME" == "opus" ]; then
		echo "-L$LIBOPUS_PATH/lib -lopus"
		exit 0
	elif [ "$NAME" == "vpx" ]; then
		echo "-L$LIBVPX_PATH/lib -lVPX"
		exit 0
	else
		exit 1
	fi
else
	exit 1
fi