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#!/bin/sh

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

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

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function showhelp() {

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	echo "Configure for OpenTTD"

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	echo ""

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	echo "Usage:"

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	echo " $0 --your_options"

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	echo ""

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	echo "Params:"

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	echo " --debug            Create debug-release                [no]"

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	echo " --profile          Create profile-release              [no]"

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	echo " --dedicated        Make a dedicated build              [no]"

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	echo " --revision         Set the revision of the compilation [detected]"

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

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

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

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

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	echo "                       UNIX, OSX, FREEBSD, MORPHOS"

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	echo "                       BEOS, SUNOS, CYGWIN, MINGW"

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

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

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

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	echo ""

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

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

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

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

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

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

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

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	echo " iconv              Do you want iconv-support?          [no]"

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

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	echo ""

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	echo "Params used to configure external libs:"

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

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

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

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	echo " --with-iconv       Set the path to your iconv headers  []"

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	echo " "

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}

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function handle() {

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

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}

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# The things you can use inside this case:

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

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#                         Value is in form: tag=REAL_VALUE

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

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

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for n in "$@"

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do

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	case "$n" in

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		--help | -h)

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			showhelp

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			exit 0

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			;;

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		--debug)

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			DEBUG_SET=1

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			ITEM="DEBUG"

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			;;

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		--debug=*)

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			handle "DEBUG" "$n"

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			;;

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		--profile)

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			PARAM="$PARAM PROFILE=1"

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			;;

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		--dedicated)

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			PARAM="$PARAM DEDICATED=1"

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			;;

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		--revision=*)

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

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			;;

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		--revision)

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			SITEM="RELEASE"

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			;;

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		--target-cc=*)

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			handle "CC_TARGET" "$n"

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			;;

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		--target-cc)

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			ITEM="CC_TARGET"

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			;;

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		--target-cxx=*)

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

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			;;

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		--target-cxx)

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			SITEM="TARGET_CXX"

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			;;

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		--host-cc=*)

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			handle CC_HOST "$n"

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			;;

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		--host-cc)

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			ITEM="CC_HOST"

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			;;

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		--host-cflags=*)

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			handle CFLAGS_HOST "$n"

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			;;

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		--host-cflags)

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			ITEM="CFLAGS_HOST"

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			;;

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		--os=*)

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

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			;;

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		--os)

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			SITEM="TARGET_OS"

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			;;

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		--windres=*)

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			handle WINDRES "$n"

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			;;

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		--windres)

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			ITEM="WINDRES"

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			;;

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		--force-le)

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			PARAM="$PARAM ENDIAN_FORCE=LE"

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			;;

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		--force-be)

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			PARAM="$PARAM ENDIAN_FORCE=BE"

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			;;

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		--with-static)

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			PARAM="$PARAM STATIC=1"

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			;;

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		--without-static)

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			PARAM="$PARAM STATIC="

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			;;

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		--with-directmusic)

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			PARAM="$PARAM WITH_DIRECTMUSIC=1"

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			;;

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		--without-directmusic)

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			PARAM="$PARAM WITH_DIRECTMUSIC="

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			;;

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		--with-zlib)

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			PARAM="$PARAM WITH_ZLIB=1"

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			;;

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		--without-zlib)

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			PARAM="$PARAM WITH_ZLIB="

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			;;

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		--with-sdl)

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			PARAM="$PARAM WITH_SDL=1"

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			;;

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		--without-sdl)

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			PARAM="$PARAM WITH_SDL="

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			;;

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		--with-png)

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			PARAM="$PARAM WITH_PNG=1"

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			;;

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		--without-png)

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			PARAM="$PARAM WITH_PNG="

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			;;

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		--with-iconv)

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			PARAM="$PARAM WITH_ICONV=1"

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			;;

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		--with-iconv=*)

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			PARAM="$PARAM WITH_ICONV=1"

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			handle WITH_ICONV_PATH "$n"

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			;;

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		--without-iconv)

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			PARAM="$PARAM WITH_ICONV="

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			;;

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		--with-cocoa)

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			PARAM="$PARAM WITH_COCOA=1"

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			;;

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		--without-cocoa)

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			PARAM="$PARAM WITH_COCOA="

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			;;

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		--static-zlib-path=*)

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			handle STATIC_ZLIB_PATH "$n"

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			;;

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		--static-zlib-path)

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			ITEM="STATIC_ZLIB_PATH"

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			;;

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		--sdl-config=*)

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			handle SDL_CONFIG "$n"

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			;;

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		--sdl-config)

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			ITEM="SDL_CONFIG"

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			;;

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		--libpng-config=*)

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			handle LIBPNG_CONFIG "$n"

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			;;

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		--lib-png-config)

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			ITEM="LIBPNG_CONFIG"

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			;;

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		--*=*)

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			echo -n "Unknown switch "

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

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			exit 1

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			;;

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		-*)

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			echo "Unknown switch $n"

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			exit 1

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			;;

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		*)

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			if ! test -z "$ITEM"

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			then

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				PARAM="$PARAM $ITEM=\"$n\""

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				ITEM="";

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			elif ! test -z "$SITEM"

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			then

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				export $SITEM="$n"

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				SITEM=""

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			else

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				echo "Unknown switch $n"

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				exit 1

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			fi

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			;;

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	esac

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done

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if ! test -z "$TARGET_OS"

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then

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

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	case "$TARGET_OS" in

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		WIN32)

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			PARAM="$PARAM WIN32=1"

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			;;

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		UNIX)

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			PARAM="$PARAM UNIX=1"

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			;;

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		OSX)

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

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			;;

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		FREEBSD)

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			PARAM="$PARAM FREEBSD=1"

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			;;

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		MORPHOS)

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

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			;;

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		BEOS)

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

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			;;

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		SUNOS)

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

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			;;

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		CYGWIN)

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

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			;;

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		MINGW)

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

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			;;

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		*)

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			echo "Unknown OS: $TARGET_OS"

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			exit 1

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			;;

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	esac

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	PARAM="$PARAM BYPASS_OS_DETECT=1"

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fi

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if ! test -z "$DEBUG_SET"

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then

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	if test -z "`echo $PARAM | grep "DEBUG="`"

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	then

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		# Someone did --debug, without assigning a value, assume 1

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		PARAM="$PARAM DEBUG=1"

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	fi

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fi

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# First remove the Makefile.config, else you can have double entries

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echo "make upgradeconf $PARAM" > Makefile.run

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. Makefile.run

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rm -f Makefile.run

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

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#  ourself!

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if ! test -z "$TARGET_CXX"

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then

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

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fi

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# Same for RELEASE (read: REVISION)

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if ! test -z "$RELEASE"

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then

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	echo "RELEASE=$RELEASE" >> Makefile.config

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fi

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