-dnl From Jim Meyering.
-#serial 2
-AC_DEFUN(jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H,
-[AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
+#serial 9
+
+# Copyright (C) 1996, 1999, 2001, 2002, 2004, 2006 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
- 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>
])
])
-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],
+ jm_cv_sys_struct_winsize_needs_sys_ptem_h,
+ [jm_cv_sys_struct_winsize_needs_sys_ptem_h=yes
+ if test $ac_cv_sys_posix_termios = yes; then
+ AC_TRY_COMPILE([#include <termios.h>],
+ [struct winsize x;
+ if (sizeof x > 0) return 0;],
+ [jm_cv_sys_struct_winsize_needs_sys_ptem_h=no])
+ fi
+ if test $jm_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
+ AC_TRY_COMPILE([#include <sys/ptem.h>],
+ [struct winsize x;
+ if (sizeof x > 0) return 0;],
+ [], [jm_cv_sys_struct_winsize_needs_sys_ptem_h=no])
+ fi])
+ if test $jm_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])