30 lines
1.1 KiB
Text
30 lines
1.1 KiB
Text
# jm-winsz2.m4
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# serial 8
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dnl Copyright (C) 1996, 1999, 2001, 2004, 2009-2025 Free Software Foundation,
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dnl Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This file is offered as-is, without any warranty.
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AC_DEFUN([gl_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL],
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[AC_REQUIRE([gl_HEADER_TIOCGWINSZ_IN_TERMIOS_H])
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AC_CACHE_CHECK([whether use of TIOCGWINSZ requires sys/ioctl.h],
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[gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h],
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[gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h=no
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if test $gl_cv_sys_tiocgwinsz_needs_termios_h = no; then
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AC_EGREP_CPP([yes],
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[#include <sys/types.h>
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# include <sys/ioctl.h>
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# ifdef TIOCGWINSZ
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yes
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# endif
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], [gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h=yes])
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fi
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])
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if test $gl_cv_sys_tiocgwinsz_needs_sys_ioctl_h = yes; then
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AC_DEFINE([GWINSZ_IN_SYS_IOCTL], [1],
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[Define if your system defines TIOCGWINSZ in sys/ioctl.h.])
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fi
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])
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