patch 8.2.1570: configure check for dirfd() does not work on HPUX Commit: https://github.com/vim/vim/commit/9d8bfae50fdaf5f5ec6307c60ebd1fad0927c6be Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 2 21:21:35 2020 +0200 patch 8.2.1570: configure check for dirfd() does not work on HPUX Problem: Configure check for dirfd() does not work on HPUX. (Michael Osipov) Solution: Use AC_TRY_LINK instead of AC_TRY_COMPILE. (closes https://github.com/vim/vim/issues/6838)

/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

#ifdef __QNXNTO__
# include <sys/procmgr.h>
#endif

#define	USE_TMPNAM

#define POSIX	    // Used by pty.c

#if defined(FEAT_GUI_PHOTON)
extern int is_photon_available;
#endif