-dnl From Jim Meyering.
-#serial 3
-AC_DEFUN(jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H,
-[AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
+# serial 11
+
+# Copyright (C) 1996, 1999, 2001-2002, 2004, 2006, 2009-2010 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.
+
+dnl From Jim Meyering and Paul Eggert.
+AC_DEFUN([gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
+[AC_REQUIRE([AC_SYS_POSIX_TERMIOS])
AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h],
- jm_cv_sys_tiocgwinsz_needs_termios_h,
- [jm_cv_sys_tiocgwinsz_needs_termios_h=no
+ gl_cv_sys_tiocgwinsz_needs_termios_h,
+ [gl_cv_sys_tiocgwinsz_needs_termios_h=no
- if test $am_cv_sys_posix_termios = yes; then
+ if test $ac_cv_sys_posix_termios = yes; then
AC_EGREP_CPP([yes],
[#include <sys/types.h>
# include <termios.h>
# ifdef TIOCGWINSZ
yes
# endif
- ], jm_cv_sys_tiocgwinsz_needs_termios_h=yes)
+ ], gl_cv_sys_tiocgwinsz_needs_termios_h=yes)
fi
])
])
-AC_DEFUN(jm_WINSIZE_IN_PTEM,
- [AC_CHECK_HEADER([sys/ptem.h],
- AC_DEFINE(WINSIZE_IN_PTEM, 1,
- [Define if your system defines `struct winsize' in sys/ptem.h.]))
- ]
-)
+AC_DEFUN([gl_WINSIZE_IN_PTEM],
+ [AC_REQUIRE([AC_SYS_POSIX_TERMIOS])
+ AC_CACHE_CHECK([whether use of struct winsize requires sys/ptem.h],
+ gl_cv_sys_struct_winsize_needs_sys_ptem_h,
+ [gl_cv_sys_struct_winsize_needs_sys_ptem_h=yes
+ if test $ac_cv_sys_posix_termios = yes; then
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]],
+ [[struct winsize x;
+ if (sizeof x > 0) return 0;]])],
+ [gl_cv_sys_struct_winsize_needs_sys_ptem_h=no])
+ fi
+ if test $gl_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/ptem.h>]],
+ [[struct winsize x;
+ if (sizeof x > 0) return 0;]])],
+ [], [gl_cv_sys_struct_winsize_needs_sys_ptem_h=no])
+ fi])
+ if test $gl_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
+ AC_DEFINE([WINSIZE_IN_PTEM], [1],
+ [Define if sys/ptem.h is required for struct winsize.])
+ fi])