[Gnash-dev] Compile gnash under ubuntu

[ying lcs]

Hi,

I am trying to compile gnash under ubunut:

I get this error when i run './configure' of gnash:

   ERROR: No SDL development package installed!
               Install it from http://www.libsdl.org/download-1.2.php
               or .deb users: apt-get install libsdl1.2-dev
               or .rpm users: yum install SDL-devel
               or use --enable-media=gst


But when I try to install libsdl, it said it already has it:

$ sudo apt-get install libsdl1.2-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
libsdl1.2-dev is already the newest version.

Can you please tell me why gnash cant' find the libsdl-dev?

Thank you.