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Use AC_COMPUTE_INT instead of _AC_COMPUTE_INT.

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This commit is contained in:
Bruno Haible
2006-11-28 14:17:20 +00:00
parent 76fa7590c6
commit a44e87912d
4 changed files with 41 additions and 11 deletions
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12
ChangeLog
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@@ -1,3 +1,15 @@
2006-11-21 Bruno Haible <bruno@clisp.org>
* m4/eoverflow.m4 (gl_EOVERFLOW): Use AC_COMPUTE_INT instead of
_AC_COMPUTE_INT.
(AC_COMPUTE_INT): Add fallback definition for autoconf < 2.61.
* m4/ptrdiff_max.m4 (gl_PTRDIFF_MAX): Use AC_COMPUTE_INT instead of
_AC_COMPUTE_INT.
(AC_COMPUTE_INT): Add fallback definition for autoconf < 2.61.
* m4/size_max.m4 (gl_SIZE_MAX): Use AC_COMPUTE_INT instead of
_AC_COMPUTE_INT.
(AC_COMPUTE_INT): Add fallback definition for autoconf < 2.61.
2006-11-28 Jim Meyering <jim@meyering.net>
* lib/regcomp.c (parse_branch): Rename local, exp->expr, to avoid

12
m4/eoverflow.m4
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@@ -1,5 +1,5 @@
# eoverflow.m4 serial 1
dnl Copyright (C) 2004 Free Software Foundation, Inc.
# eoverflow.m4 serial 2
dnl Copyright (C) 2004, 2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -40,7 +40,7 @@ yes
if test -n "$have_eoverflow"; then
dnl EOVERFLOW exists but is hidden.
dnl Define it to the same value.
_AC_COMPUTE_INT([EOVERFLOW], ac_cv_decl_EOVERFLOW, [
AC_COMPUTE_INT([ac_cv_decl_EOVERFLOW], [EOVERFLOW], [
#define _XOPEN_SOURCE_EXTENDED 1
#include <errno.h>
/* The following two lines are a workaround against an autoconf-2.52 bug. */
@@ -62,3 +62,9 @@ yes
AC_SUBST(EOVERFLOW)
fi
])
dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
dnl Remove this when we can assume autoconf >= 2.61.
m4_ifdef([AC_COMPUTE_INT], [], [
AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
])

16
m4/ptrdiff_max.m4
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@@ -1,5 +1,5 @@
# ptrdiff_max.m4 serial 1
dnl Copyright (C) 2003 Free Software Foundation, Inc.
# ptrdiff_max.m4 serial 2
dnl Copyright (C) 2003, 2006 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License. As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
@@ -30,15 +30,15 @@ Found it
if test -z "$result"; then
dnl Define it ourselves. Here we assume that the type 'ptrdiff_t' is not
dnl wider than the type 'long'.
dnl The _AC_COMPUTE_INT macro works up to LONG_MAX, since it uses 'expr',
dnl The AC_COMPUTE_INT macro works up to LONG_MAX, since it uses 'expr',
dnl which is guaranteed to work from LONG_MIN to LONG_MAX.
_AC_COMPUTE_INT([STYPE_MAXIMUM (ptrdiff_t)], res, [
AC_COMPUTE_INT([res], [STYPE_MAXIMUM (ptrdiff_t)], [
#include <stddef.h>
#include <limits.h>
#define STYPE_MINIMUM(t) (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))
#define STYPE_MAXIMUM(t) ((t) (~ (t) 0 - STYPE_MINIMUM (t)))
], result=?)
_AC_COMPUTE_INT([sizeof (ptrdiff_t) <= sizeof (int)], fits_in_int,
AC_COMPUTE_INT([fits_in_int], [sizeof (ptrdiff_t) <= sizeof (int)],
[#include <stddef.h>], result=?)
if test "$fits_in_int" = 1; then
dnl Even though PTRDIFF_MAX fits in an int, it must be of type
@@ -65,3 +65,9 @@ Found it
[Define as the maximum value of type 'ptrdiff_t', if the system doesn't define it.])
fi
])
dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
dnl Remove this when we can assume autoconf >= 2.61.
m4_ifdef([AC_COMPUTE_INT], [], [
AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
])

12
m4/size_max.m4
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@@ -1,4 +1,4 @@
# size_max.m4 serial 5
# size_max.m4 serial 6
dnl Copyright (C) 2003, 2005-2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -26,10 +26,10 @@ Found it
dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
dnl than the type 'unsigned long'. Try hard to find a definition that can
dnl be used in a preprocessor #if, i.e. doesn't contain a cast.
_AC_COMPUTE_INT([sizeof (size_t) * CHAR_BIT - 1], size_t_bits_minus_1,
AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1],
[#include <stddef.h>
#include <limits.h>], size_t_bits_minus_1=)
_AC_COMPUTE_INT([sizeof (size_t) <= sizeof (unsigned int)], fits_in_uint,
AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)],
[#include <stddef.h>], fits_in_uint=)
if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then
if test $fits_in_uint = 1; then
@@ -60,3 +60,9 @@ Found it
[Define as the maximum value of type 'size_t', if the system doesn't define it.])
fi
])
dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
dnl Remove this when we can assume autoconf >= 2.61.
m4_ifdef([AC_COMPUTE_INT], [], [
AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
])