Richard Broersma Jr wrote:
>>> glxclient.h:257: error: syntax error before "GLXContextTag"
>>> glxclient.h:257: warning: no semicolon at end of struct or union
>>> glxclient.h:401: error: syntax error before '}' token
>>> clientattrib.c: In function `do_enable_disable':
>> Is there something shortly above these like "foo.h: No such file or
>> directory"?
> Yes,  here what it says:
> In file included from clientattrib.c:38:
> glxclient.h:59:25: GL/glxproto.h: No such file or directory

Try switching your opengl to xorg-x11 (eselect opengl set xorg-x11) and
make sure /usr/include/GL/glxproto.h (a symlink) points to a file that
exists.

Thanks,
Donnie