#!/bin/bash
#
# Copyright (c) 2020 Jiri Svoboda
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
#   derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# pkg-config-like tool for HelenOS libraries
# HelenOS Cross Compiler Wrapper (XCW)
# Facilitate cross-compiling external software to HelenOS
#

XCW="$(dirname "$0")"
BUILD_ROOT="$(dirname "$(dirname "$(dirname "$XCW")")")"
if [ -z "$EXPORT_DIR" ]; then
	EXPORT_DIR="$BUILD_ROOT/export"
fi

INCLUDE_DIR="$EXPORT_DIR/include"
LIB_DIR="$EXPORT_DIR/lib"

libmath_cflags="-I$INCLUDE_DIR/libmath"
libmath_libs="$LIB_DIR/libmath.a"

libui_cflags="-I$INCLUDE_DIR/libui -I$INCLUDE_DIR/libdisplay -I$INCLUDE_DIR/libgfx -I$INCLUDE_DIR/libipcgfx"
libui_libs="$LIB_DIR/libui.a $LIB_DIR/libdisplay.a $LIB_DIR/libipcgfx.a $LIB_DIR/libgfx.a $LIB_DIR/libgfxfont.a $LIB_DIR/libriff.a $LIB_DIR/libmemgfx.a"

libgfximage_cflags="-I$INCLUDE_DIR/libgfximage"
libgfximage_libs="$LIB_DIR/libgfximage.a $LIB_DIR/libpixconv.a"

libhound_cflags="-I$INCLUDE_DIR/libhound"
libhound_libs="$LIB_DIR/libhound.a"

libpcm_cflags="-I$INCLUDE_DIR/libpcm"
libpcm_libs="$LIB_DIR/libpcm.a"

libgfx_cflags="-I$INCLUDE_DIR/libgfx"
libgfx_libs="$LIB_DIR/libgfx.a"

libipcgfx_cflags="-I$INCLUDE_DIR/libipcgfx"
libipcgfx_libs="$LIB_DIR/libipcgfx.a"

libdisplay_cflags="-I$INCLUDE_DIR/libdisplay"
libdisplay_libs="$LIB_DIR/libdisplay.a"

action=none
pkg=

while [ ".$1" != . ] ; do
	case ".$1" in
	(.--cflags) action=cflags;;
	(.--libs) action=libs;;
	(.-*) echo "Uknwown option $1" >&2; exit 1;;
	(.*)
	    case "$1" in
	    (libui) ;;
	    (libgfximage) ;;
	    (libmath) ;;
	    (libhound) ;;
	    (libpcm) ;;
	    (libgfx) ;;
	    (libipcgfx) ;;
	    (libdisplay) ;;
	    (*) echo "Unknown package $1" >&2; exit 1;;
	    esac

	    echo "$pkg" | grep -w "$1" >/dev/null 2>&1
	    if [ $? -ne 0 ] ; then
		    pkg="$pkg $1"
	    fi;;
	esac
	shift 1
done

if [ ."$pkg" = . ]; then
	echo "Package name(s) required." >&2
	exit 1
fi

for p in $pkg ; do
	case "$action" in
	(cflags) eval "printf ' %s' \$${p}_cflags";;
	(libs) eval "printf ' %s' \$${p}_libs";;
	esac
done

echo