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annotate m4/jm-winsz1.m4 @ 7114:5b8becde9879

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author Karl Berry <karl@freefriends.org>
date Fri, 11 Aug 2006 08:19:37 +0000
parents 87c42e194f4a
children 0af37e82a5e3
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5611
87c42e194f4a Use an all-permissive copyright notice, recommended by RMS.
Paul Eggert <eggert@cs.ucla.edu>
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1 #serial 8
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2
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3 # Copyright (C) 1996, 1999, 2001, 2002, 2004 Free Software Foundation, Inc.
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4 # This file is free software; the Free Software Foundation
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5 # gives unlimited permission to copy and/or distribute it,
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6 # with or without modifications, as long as this notice is preserved.
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7
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8 dnl From Jim Meyering and Paul Eggert.
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7141ea4946af Change jm_ to gl_ in AC_DEFINE'd names. Update all uses.
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parents: 4568
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9 AC_DEFUN([gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
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10 [AC_REQUIRE([AC_SYS_POSIX_TERMIOS])
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11 AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h],
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12 jm_cv_sys_tiocgwinsz_needs_termios_h,
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13 [jm_cv_sys_tiocgwinsz_needs_termios_h=no
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14
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15 if test $ac_cv_sys_posix_termios = yes; then
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16 AC_EGREP_CPP([yes],
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17 [#include <sys/types.h>
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18 # include <termios.h>
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19 # ifdef TIOCGWINSZ
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20 yes
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21 # endif
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22 ], jm_cv_sys_tiocgwinsz_needs_termios_h=yes)
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23 fi
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24 ])
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25 ])
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26
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27 AC_DEFUN([gl_WINSIZE_IN_PTEM],
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parents: 3609
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28 [AC_REQUIRE([AC_SYS_POSIX_TERMIOS])
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29 AC_CACHE_CHECK([whether use of struct winsize requires sys/ptem.h],
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30 jm_cv_sys_struct_winsize_needs_sys_ptem_h,
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31 [jm_cv_sys_struct_winsize_needs_sys_ptem_h=yes
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32 if test $ac_cv_sys_posix_termios = yes; then
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33 AC_TRY_COMPILE([#include <termios.h>]
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34 [struct winsize x;],
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35 [jm_cv_sys_struct_winsize_needs_sys_ptem_h=no])
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36 fi
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37 if test $jm_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
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38 AC_TRY_COMPILE([#include <sys/ptem.h>],
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39 [struct winsize x;],
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40 [], [jm_cv_sys_struct_winsize_needs_sys_ptem_h=no])
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41 fi])
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42 if test $jm_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
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43 AC_DEFINE([WINSIZE_IN_PTEM], 1,
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44 [Define if sys/ptem.h is required for struct winsize.])
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45 fi])