Subject: Re: fd_set undeclared
To: Mahesh Chittur <>
From: Jeremy C. Reed <>
List: tech-pkg
Date: 06/11/2003 14:21:39
On Wed, 11 Jun 2003, Mahesh Chittur wrote:

> i was compiling ncbi toolkit, in the file ncbimsg.c  gave a compile-time
> error as <sys/types.h> does not
> include definitions for fd_set . I included the  header file <sys/types.h>,
> and still give the compilation error as
> " 'fd_set' undeclared (  first use in this function )"

Did you get my earlier suggestion?

Since its corelib/ncbilcl.fbd defines _POSIX_C_SOURCE, I think you need to
also increase _XOPEN_SOURCE. Try adding to corelib/ncbilcl.fbd:

#define _XOPEN_SOURCE 600

Did you try it?

   Jeremy C. Reed