#!/bin/sh

# This 'configure' script is a very easy wrapper around 'make updateconf'

#  It allows cross-compilers to do their job much more easy.

function showhelp() {

	echo "Configure for OpenTTD"

	echo ""

	echo "Usage:"

	echo " $0 --your_options"

	echo ""

	echo "Params:"

	echo " --target-cc        Sets the target-compiler            [\$CC]"

	echo " --target-cxx       Sets the C++ target-compiler        []"

	echo " --host-cc          Sets the host-compiler              [\$CC]"

	echo " --os               Sets the OS. Listens to:            [detected]"

	echo "                       UNIX, OSX, FREEBSD, MORPHOS"

	echo "                       BEOS, SUNOS, CYGWIN, MINGW"

	echo " --windres          Sets the windres (Windows)          [windres]"

	echo " --force-le         Force LE platform                   [no]"

	echo " --force-be         Force BE platform                   [no]"

	echo ""

	echo "Params that can be used with --with or --without"

	echo "   (e.g.: --without-static disables static (default))"

	echo " static             Do you want a static build?         [no]"

	echo " directmusic        Do you want direct-music?           [no]"

	echo " zlib               Do you want zlib-support?           [yes]"

	echo " sdl                Do you want SDL-support?            [yes]"

	echo " png                Do you want PNG-support?            [yes]"

	echo " cocoa              Do you want cocoa-support? (MacOSX) [no]"

	echo ""

	echo "Params used to configure external libs:"

	echo " --static-zlib-path Set the path to your static zlib    []"

	echo " --sdl-config       Where is your sdl-config            [sdl-config]"

	echo " --libpng-config    Where is your libpng-config         [libpng-config]"

	echo " "

}

function handle() {

	PARAM="$PARAM $1=`awk 'BEGIN { FS="="; $0="'$2'"; print $2;}'`"

}

# The things you can use inside this case:

#  handle NAME VALUE - Sets the value to give the 'make upgradeconf'

#                         Value is in form: tag=REAL_VALUE

#  ITEM="NAME"       - Will set the value as above, only with the next param

#  SITEM="NAME"      - Will set the var $NAME to the next param

for n in $*

do

	case "$n" in

		--help | -h)

			showhelp

			exit 0

			;;

		--target-cc=*)

			handle "CC_TARGET" $n

			;;

		--target-cc)

			ITEM="CCTARGET"

			;;

		--target-cxx=*)

			TARGET_CXX=`awk 'BEGIN { FS="="; $0="'$n'"; print $2;}'`

			;;

		--target-cxx)

			SITEM="TARGET_CXX"

			;;

		--host-cc=*)

			handle CC_HOST $n

			;;

		--host-cc)

			ITEM="CC_HOST"

			;;

		--os=*)

			OS=`awk 'BEGIN { FS="="; $0="'$n'"; print $2;}'`

			;;

		--os)

			SITEM="OS"

			;;

		--windres=*)

			handle WINDRES $n

			;;

		--windres)

			ITEM="WINDRES"

			;;

		--force-le)

			PARAM="$PARAM ENDIAN_FORCE=LE"

			;;

		--force-be)

			PARAM="$PARAM ENDIAN_FORCE=BE"

			;;

		--with-static)

			PARAM="$PARAM STATIC=1"

			;;

		--without-static)

			PARAM="$PARAM STATIC="

			;;

		--with-directmusic)

			PARAM="$PARAM WITH_DIRECTMUSIC=1"

			;;

		--without-directmusic)

			PARAM="$PARAM WITH_DIRECTMUSIC="

			;;

		--with-zlib)

			PARAM="$PARAM WITH_ZLIB=1"

			;;

		--without-zlib)

			PARAM="$PARAM WITH_ZLIB="

			;;

		--with-sdl)

			PARAM="$PARAM WITH_SDL=1"

			;;

		--without-sdl)

			PARAM="$PARAM WITH_SDL="

			;;

		--with-png)

			PARAM="$PARAM WITH_PNG=1"

			;;

		--without-png)

			PARAM="$PARAM WITH_PNG="

			;;

		--with-cocoa)

			PARAM="$PARAM WITH_COCOA=1"

			;;

		--without-cocoa)

			PARAM="$PARAM WITH_COCOA="

			;;

		--static-zlib-path=*)

			handle STATIC_ZLIB_PATH $n

			;;

		--static-zlib-path)

			ITEM="STATIC_ZLIB_PATH"

			;;

		--sdl-config=*)

			handle SDL-CONFIG $n

			;;

		--sdl-config)

			ITEM="SDL-CONFIG"

			;;

		--libpng-config=*)

			handle LIBPNG-CONFIG $n

			;;

		--lib-png-config)

			ITEM="LIBPNG-CONFIG"

			;;

		--*=*)

			echo -n "Unknown switch "

			echo `awk 'BEGIN { FS="="; $0="'$n'"; print $1;}'`

			exit 1

			;;

		-*)

			echo "Unknown switch $n"

			exit 1

			;;

		*)

			if ! test -z "$ITEM"

			then

				PARAM="$PARAM $ITEM=$n"

				ITEM="";

			elif ! test -z "$SITEM"

			then

				export $SITEM=$n

				SITEM=""

			else

				echo "Unknown switch $n"

				exit 1

			fi

			;;

	esac

done

if ! test -z "$OS"

then

	OS=`echo $OS | tr '[:lower:]' '[:upper:]'`

	case "$OS" in

		WIN32)

			PARAM="$PARAM WIN32=1"

			;;

		UNIX)

			PARAM="$PARAM UNIX=1"

			;;

		OSX)

			PARAM="$PARAM OSX=1 UNIX=1"

			;;

		FREEBSD)

			PARAM="$PARAM FREEBSD=1"

			;;

		MORPHOS)

			PARAM="$PARAM MORPHOS=1 UNIX=1"

			;;

		BEOS)

			PARAM="$PARAM BEOS=1 UNIX=1"

			;;

		SUNOS)

			PARAM="$PARAM SUNOS=1 UNIX=1"

			;;

		CYGWIN)

			PARAM="$PARAM CYGWIN=1 WIN32=1"

			;;

		MINGW)

			PARAM="$PARAM MINGW=1 WIN32=1"

			;;

		*)

			echo "Unknown OS: $OS"

			exit 1

			;;

	esac

	PARAM="$PARAM BYPASS_OS_DETECT=1"

fi

rm Makefile.config

make upgradeconf $PARAM

# Makefile.config currently doesn't support custom CXX, so, we add the line

#  ourself!

echo "CXX=$TARGET_CXX" >> Makefile.config