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32 lines
1.0 KiB
Plaintext
32 lines
1.0 KiB
Plaintext
# tcgetattr.m4
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# serial 1
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dnl Copyright (C) 2002-2026 Free Software Foundation, 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_HAVE_TCGETATTR],
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[
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dnl We can't use AC_CHECK_FUNC here, because tcgetattr() is defined as a
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dnl static inline function when compiling for Android 4.4 or older.
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AC_CACHE_CHECK([for tcgetattr], [gl_cv_func_tcgetattr],
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[AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <termios.h>
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struct termios x;
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]],
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[[return tcgetattr(0,&x);]])
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],
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[gl_cv_func_tcgetattr=yes],
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[gl_cv_func_tcgetattr=no])
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])
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if test $gl_cv_func_tcgetattr = yes; then
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HAVE_TCGETATTR=1
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else
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HAVE_TCGETATTR=0
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fi
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AC_DEFINE_UNQUOTED([HAVE_TCGETATTR], [$HAVE_TCGETATTR],
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[Define to 1 if the system has the 'tcgetattr' function.])
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])
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