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SOURCE=/packagesPREFIX="/usr"PKG_CONFIG_PATH=/usr/lib/pkgconfig:/usr/share/pkgconfigMAKE="make -j5"XORG_CONF="--sysconfdir=/etc --mandir=$PREFIX/share/man --localstatedir=/var"cd $SOURCE/git-x11modules="\macros \fontsproto \x11proto \xextproto \videoproto \renderproto \inputproto \damageproto \xf86vidmodeproto \xf86dgaproto \xf86driproto \xcmiscproto \scrnsaverproto \bigreqsproto \resourceproto \compositeproto \resourceproto \evieproto \kbproto \fixesproto \xineramaproto \libxtrans \proto \pthread-stubs \libXau \libxcb \libXrender \libX11 \libXext \libXi \libxkbfile \libfontenc \libXfont \libXv \libXvMC \libXxf86vm \libXinerama \libXfixes \libXdamage \libICE \libSM \libXt \libXmu \dri2proto \glproto \libpciaccess \libXpm \pixman \randrproto \libXrandr \xkbcomp \xkeyboard-config \libXft \libXcursor \libXcomposite \util"update_modules(){        for module in $modules; do                echo "Updating $module"                cd $module                git pull                cd ..        done	echo "Updating xf86-video-nouveau"	cd xf86-video-nouveau 	git pull	cd ..	echo "Updating xserver"	cd xserver	git pull	cd ..	echo "Updating mesa"	cd mesa	git pull	cd ..	echo "Updating drm"	cd drm	git pull	cd ..	echo "Updating xf86-input-keyboard"	cd xf86-input-keyboard	git pull	cd ..	echo "Updating xf86-input-mouse"	cd xf86-input-mouse	git pull	cd ..}uclean_build(){	for module in $modules; do		echo "Cleaning up $module"		cd $module		sudo rm ./* -r		git reset --hard		cd ..	done}build (){        export ACLOCAL="aclocal -I $PREFIX/share/aclocal"        export PKG_CONFIG_PATH="$PREFIX/lib/pkgconfig"        for i in $modules; do                cd $i                echo ======================                echo Configuring $i                echo ======================                ./autogen.sh --prefix="$PREFIX" $XORG_CONF                echo ======================                echo Building $i                echo ======================			if [ $? -ne 0 ]; then				echo "Failed to configure $i."				exit			fi                ($MAKE)                sudo make install                cd ..        done        # build drm        cd drm        ./autogen.sh --enable-nouveau-experimental-api --prefix="$PREFIX" $XORG_CONF        ($MAKE)        # assuming you're on Linux, otherwise use bsd-core        sudo make install        cd ..#build mesa        cd mesa        ./autogen.sh --prefix=$PREFIX --enable-glx-tls --disable-asm --with-dri-drivers= --enable-gallium-nouveau --disable-gallium-intel --disable-gallium-radeon --with-state-trackers=glx,dri --with-demos=xdemos,demos		if [ $? -ne 0 ]; then			echo "Failed to configure Mesa."			exit		fi        ($MAKE)        sudo make install        sudo mkdir -p $PREFIX/bin        sudo install -m755 progs/xdemos/{glxinfo,glxgears} $PREFIX/bin/        cd ..#buildxserver        cd xserver        ./autogen.sh --enable-glx-tls --prefix=$PREFIX --enable-builtin-fonts $XORG_CONF        if [ $? -ne 0 ]; then                echo "Failed to configure X server."                exit        fi        ($MAKE)        sudo make install        sudo chown root $PREFIX/bin/Xorg        sudo chmod +s $PREFIX/bin/Xorg        cd ..#mouse        cd xf86-input-mouse        ./autogen.sh --prefix=$PREFIX $XORG_CONF        ($MAKE)        sudo make install        cd ..#keyboard        cd xf86-input-keyboard        ./autogen.sh --prefix=$PREFIX $XORG_CONF        ($MAKE)        sudo make install        cd ..#intel        cd xf86-video-nouveau        ./autogen.sh --prefix=$PREFIX --with-kms=yes $XORG_CONF        ($MAKE)        sudo make install        cd ..}case "$1" in	uclean_build)		uclean_build		build		;;        init)                init                ;;        build)                build                ;;        update)                update_modules                ;;        *)                echo "Usage: $0 init | build | update"esac