[PHP] compile error

I am having trouble installing php4. When I try to compile, it stops with the following error: In file included from /usr/src/php4/ext/standard/fsock.h:43, from /usr/src/php4/ext/standard/php_standard.h:43, from main.c:52: /usr/include/sys/socket.h:48:

[PHP] sessions without cookies

How can you get something like: header ("Location: $PHP_SELF?"); to redirect with the sessid in the url? In my tests, it redirects, but does not append the sessid. I have compiled with --enable-trans-sid. Transparent sid is working, I can use it on links like: A HREF="?php echo "$PHP_SELF?";