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Update from gnulib.

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This commit is contained in:
Jim Meyering
2004-06-01 15:24:11 +00:00
parent 807984cc3f
commit 4041dbb5e4
1 changed files with 10 additions and 4 deletions
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m4/stdbool.m4
+10 -4
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@@ -1,6 +1,6 @@
# Check for stdbool.h that conforms to C99.
# Copyright (C) 2002-2003 Free Software Foundation, Inc.
# Copyright (C) 2002-2004 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -40,7 +40,7 @@ AC_DEFUN([AM_STDBOOL_H],
AC_SUBST([HAVE__BOOL])
])
# This macro is only needed in autoconf <= 2.54. Newer versions of autoconf
# This macro is only needed in autoconf <= 2.59. Newer versions of autoconf
# have this macro built-in.
AC_DEFUN([AC_HEADER_STDBOOL],
@@ -59,7 +59,7 @@ AC_DEFUN([AC_HEADER_STDBOOL],
"error: false is not 0"
#endif
#ifndef true
"error: false is not defined"
"error: true is not defined"
#endif
#if true != 1
"error: true is not 1"
@@ -79,8 +79,14 @@ AC_DEFUN([AC_HEADER_STDBOOL],
char g[true];
char h[sizeof (_Bool)];
char i[sizeof s.t];
enum { j = false, k = true, l = false * true, m = true * 256 };
_Bool n[m];
char o[sizeof n == m * sizeof n[0] ? 1 : -1];
],
[
return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !j + !k + !l
+ !m + !n + !o);
],
[ return !a + !b + !c + !d + !e + !f + !g + !h + !i; ],
[ac_cv_header_stdbool_h=yes],
[ac_cv_header_stdbool_h=no])])
AC_CHECK_TYPES([_Bool])