# Walk over all params from the user and override any default settings if

	#  needed. This also handles any invalid option.

	for p in "$@"; do

		if [ -n "$prev_p" ]; then

			eval "$prev_p=\$p"

			prev_p=

			continue

		fi

		optarg=`expr "x$p" : 'x[^=]*=\(.*\)'`

		case "$p" in

			--config-log)                 prev_p="config_log";;

			--config-log=*)               config_log="$optarg";;

			--build)                      prev_p="build";;

			--build=*)                    build="$optarg";;

			--host)                       prev_p="host";;

			--host=*)                     host="$optarg";;

			--os)                         prev_p="os";;

			--os=*)                       os="$optarg";;

	echo ""

	echo "Configuration:"

	echo "  -h, --help                     display this help and exit"

	echo ""

	echo "System types:"

	echo "  --build=BUILD                  configure for building on BUILD [guessed]"

	echo "  --host=HOST                    cross-compile to build programs to run"

	echo "                                 on HOST [BUILD]"

	echo "  --windres=WINDRES              the windres to use [HOST-windres]"

	echo "  --strip=STRIP                  the strip to use [HOST-strip]"

	echo "  --awk=AWK                      the awk to use in configure [awk]"

	echo "  --lipo=LIPO                    the lipo to use (OSX ONLY) [HOST-lipo]"

	echo "                                 DETECT/UNIX/OSX/FREEBSD/OPENBSD/NETBSD/"

	echo "                                 MORPHOS/HPUX/BEOS/SUNOS/CYGWIN/MINGW/OS2/"

	echo "                                 WINCE/PSP"

	echo "  --endian=ENDIAN                set the endian of the HOST (AUTO/LE/BE)"

	echo "  --revision=rXXXX               overwrite the revision detection."

	echo "                                 Use with care!"

	echo ""

	echo "Paths:"

	echo "  --prefix-dir=dir               specifies the prefix for all installed"

	echo "  --binary-dir=dir               location of the binary. Will be prefixed"

	echo "  --data-dir=dir                 location of data files (lang, data, gm)."

	echo "                                 Will be prefixed with the prefix-dir"

	echo "  --icon-dir=dir                 location of icons. Will be prefixed"

	echo "  --menu-dir=dir                 location of the menu item. (UNIX only, except OSX)"

	echo "                                 Will be prefixed with the prefix-dir"

	echo "  --personal-dir=dir             location of the personal directory"

	echo "  --shared-dir=dir               location of shared data files"

	echo "  --install-dir=dir              specifies the root to install to."

	echo ""

	echo "Features and packages:"

	echo "  --enable-debug[=LVL]           enable debug-mode (LVL=[0123], 0 is release)"

	echo "  --enable_desync_debug=[LVL]    enable desync debug options (LVL=[012], 0 is none"

	echo "  --enable-profiling             enables profiling"

	echo "  --enable-dedicated             compile a dedicated server (without video)"

	echo "  --enable-static                enable static compile (doesn't work for"

	echo "                                 all HOSTs)"

	echo "  --enable-translator            enable extra output for translators"

	echo "  --enable-universal             enable universal builds (OSX ONLY)"

	echo "  --enable-osx-g5                enables optimalizations for G5 (OSX ONLY)"

	echo "  --disable-cocoa-quartz         disable the quartz window mode driver for Cocoa (OSX ONLY)"

if [ "$1" = "--reconfig" ] || [ "$1" = "--reconfigure" ]; then

	if ! [ -f "config.cache" ]; then

		echo "can't reconfigure, because never configured before"

		exit 1

	fi

	# Make sure we don't lock config.cache

	cat config.cache | sed 's/\\ /\\\\ /g' > cache.tmp

	sh cache.tmp

	rm -f cache.tmp

	exit $?

fi

set_default

detect_params "$@"

check_params

save_params

make_cflags_and_ldflags

EXE=""

if [ "$os" = "MINGW" ] || [ "$os" = "CYGWIN" ] || [ "$os" = "OS2" ] || [ "$os" = "WINCE" ]; then

	EXE=".exe"

fi

TTD="openttd$EXE"

STRGEN="strgen$EXE"

ENDIAN_CHECK="endian_check$EXE"