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30 lines
946 B
Plaintext
30 lines
946 B
Plaintext
# c-bs-a.m4 serial 4 (fileutils-4.1.3)
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dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
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dnl This file is free software, distributed under the terms of the GNU
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dnl General Public License. As a special exception to the GNU General
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dnl Public License, this file may be distributed as part of a program
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dnl that contains a configuration script generated by Autoconf, under
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dnl the same distribution terms as the rest of that program.
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dnl From Paul Eggert.
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AC_DEFUN([AC_C_BACKSLASH_A],
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[
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AC_CACHE_CHECK([whether backslash-a works in strings], ac_cv_c_backslash_a,
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[AC_TRY_COMPILE([],
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[
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#if '\a' == 'a'
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syntax error;
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#endif
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char buf['\a' == 'a' ? -1 : 1];
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buf[0] = '\a';
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return buf[0] != "\a"[0];
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],
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ac_cv_c_backslash_a=yes,
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ac_cv_c_backslash_a=no)])
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if test $ac_cv_c_backslash_a = yes; then
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AC_DEFINE(HAVE_C_BACKSLASH_A, 1,
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[Define if backslash-a works in C strings.])
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fi
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])
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