| # serial 8 |
| |
| # Copyright (C) 1996, 1999, 2001, 2004, 2009-2019 Free Software Foundation, |
| # Inc. |
| # This file is free software; the Free Software Foundation |
| # gives unlimited permission to copy and/or distribute it, |
| # with or without modifications, as long as this notice is preserved. |
| |
| AC_DEFUN([gl_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL], |
| [AC_REQUIRE([gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H]) |
| AC_CACHE_CHECK([whether use of TIOCGWINSZ requires sys/ioctl.h], |
| [gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h], |
| [gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h=no |
| |
| if test $gl_cv_sys_tiocgwinsz_needs_termios_h = no; then |
| AC_EGREP_CPP([yes], |
| [#include <sys/types.h> |
| # include <sys/ioctl.h> |
| # ifdef TIOCGWINSZ |
| yes |
| # endif |
| ], [gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h=yes]) |
| fi |
| ]) |
| if test $gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h = yes; then |
| AC_DEFINE([GWINSZ_IN_SYS_IOCTL], [1], |
| [Define if your system defines TIOCGWINSZ in sys/ioctl.h.]) |
| fi |
| ]) |
