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annotate m4/jm-winsz1.m4 @ 17536:ea01543bbca7

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install-reloc: Support multi-binary installation. * build-aux/install-reloc: Support installing multiple programs in one invocation, as done by Automake starting with commit 4295fe33eb23f (Multi-file install for PROGRAMS.). From Bruno Haible <bruno@clisp.org>, archived at http://lists.debian.org/debian-bsd/2012/05/msg00032.html. Reported by Sylvain <beuc@gnu.org>.
author Bruno Haible <bruno@clisp.org>
date Mon, 21 Oct 2013 22:48:35 -0700
parents e542fd46ad6f
children 344018b6e5d7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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11929
0e6b6e9d54d0 Replace uses of obsolete autoconf macros in Jim's modules.
Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
parents: 11007
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1 # serial 11
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Paul Eggert <eggert@cs.ucla.edu>
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2
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Eric Blake <eblake@redhat.com>
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3 # Copyright (C) 1996, 1999, 2001-2002, 2004, 2006, 2009-2013 Free Software
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Jim Meyering <meyering@redhat.com>
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4 # Foundation, Inc.
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Paul Eggert <eggert@cs.ucla.edu>
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5 # This file is free software; the Free Software Foundation
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6 # gives unlimited permission to copy and/or distribute it,
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7 # with or without modifications, as long as this notice is preserved.
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Paul Eggert <eggert@cs.ucla.edu>
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8
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Jim Meyering <jim@meyering.net>
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9 dnl From Jim Meyering and Paul Eggert.
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Jim Meyering <jim@meyering.net>
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10 AC_DEFUN([gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
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11 [AC_REQUIRE([AC_SYS_POSIX_TERMIOS])
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12 AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h],
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13 gl_cv_sys_tiocgwinsz_needs_termios_h,
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14 [gl_cv_sys_tiocgwinsz_needs_termios_h=no
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15
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16 if test $ac_cv_sys_posix_termios = yes; then
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17 AC_EGREP_CPP([yes],
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18 [#include <sys/types.h>
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19 # include <termios.h>
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20 # ifdef TIOCGWINSZ
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21 yes
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22 # endif
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23 ], gl_cv_sys_tiocgwinsz_needs_termios_h=yes)
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24 fi
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25 ])
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26 ])
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27
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28 AC_DEFUN([gl_WINSIZE_IN_PTEM],
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29 [AC_REQUIRE([AC_SYS_POSIX_TERMIOS])
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30 AC_CACHE_CHECK([whether use of struct winsize requires sys/ptem.h],
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31 gl_cv_sys_struct_winsize_needs_sys_ptem_h,
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32 [gl_cv_sys_struct_winsize_needs_sys_ptem_h=yes
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33 if test $ac_cv_sys_posix_termios = yes; then
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34 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]],
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35 [[struct winsize x;
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36 if (sizeof x > 0) return 0;]])],
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37 [gl_cv_sys_struct_winsize_needs_sys_ptem_h=no])
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38 fi
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39 if test $gl_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
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40 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/ptem.h>]],
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Bruno Haible <bruno@clisp.org>
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41 [[struct winsize x;
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Bruno Haible <bruno@clisp.org>
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42 if (sizeof x > 0) return 0;]])],
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43 [], [gl_cv_sys_struct_winsize_needs_sys_ptem_h=no])
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44 fi])
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45 if test $gl_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
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46 AC_DEFINE([WINSIZE_IN_PTEM], [1],
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47 [Define if sys/ptem.h is required for struct winsize.])
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48 fi])