An error when make install SDL

Hello,SDL:
I confront a error when I install SDL,now I will show you the process
,see below:
"
export crosscompile=/opt/cross_tool/
export CC=$crosscompile/bin/arm-xscale-linux-gnu-gcc
export AR=$crosscompile/bin/arm-xscale-linux-gnu-ar
export LD=$crosscompile/bin/arm-xscale-linux-gnu-ld
export RANLIB=$crosscompile/bin/arm-xscale-linux-gnu-ranlib
export CXX=$crosscompile/bin/arm-xscale-linux-gnu-g++
export nm=$crosscompile/bin/arm-xscale-linux-gnu-nm
export as=$crosscompile/bin/arm-xscale-linux-gnu-as
export PREFIX=/opt/arm-xscale-linux-gnu
export PKG_CONFIG_PATH=$PREFIX/lib/pkgconfig

 export CFLAGS="-I/opt/arm-xscale-linux-gnu/include"
 export LDFLAGS="-L/opt/arm-xscale-linux-gnu/lib"
 export LIBGTK_CFLAGS="-L/opt/arm-xscale-linux-gnu/include/gtk-2.0"
 export LIBGTK_LIBS="$PREFIX/lib/libgtk-directfb-2.0.so"
 export OSIP_CFLAGS="-I/opt/arm-xscale-linux/include/osip2 

-I/opt/arm-xscale-
linux/include/osipparser2"
export OSIP_LIBS="$PREFIX/lib/libosip2.so
$PREFIX/lib/libosipparser2.so"
export SPEEX_CFLAGS="-I/opt/arm-xscale-linux-gnu/include/speex"
export SPEEX_LIBS="$PREFIX/lib/libspeex.so"
export PKG_CONFIG=/usr/bin/pkg-config
"
success!
then I type make ,also success!
but when I type make install,an error occured:
libtool:install:warning:relinking ‘build/libSDL.la’
/arm-xscale-linux-gnu/bin/ld:cannot find -ldirectfb
collect2:ld returned 1 exit status
libtool:install:error:relink /build/libSDL.la’with the above command before
installing it
make:***[install-lib] Error 1

I put the directfb.so in the /opt/arm-xscale-linux-gnu/lib,but why didn’t
find it ?
I need your help

Thanks!

                                yuzhao                                  
            
                               2007-6-5_________________________________________________________________

??? MSN Explorer: http://explorer.msn.com/lccn/