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Check for 64-bit int errors in HP-UX 10.20 preprocessor.

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Problem reported by H.Merijn Brand in
<http://lists.gnu.org/archive/html/bug-tar/2007-10/msg00018.html>.
* lib/autoconf/types.m4 (AC_TYPE_LONG_LONG_INT):
(AC_TYPE_UNSIGNED_LONG_LONG_INT):
Check that preprocessor handles 64-bit ints, too.
This commit is contained in:
Paul Eggert 2007-10-16 13:25:57 -07:00
parent a574f37683
commit 3de08b50f2
2 changed files with 18 additions and 3 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2007-10-16 Paul Eggert <eggert@cs.ucla.edu>
Check for 64-bit int errors in HP-UX 10.20 preprocessor.
Problem reported by H.Merijn Brand in
<http://lists.gnu.org/archive/html/bug-tar/2007-10/msg00018.html>.
* lib/autoconf/types.m4 (AC_TYPE_LONG_LONG_INT):
(AC_TYPE_UNSIGNED_LONG_LONG_INT):
Check that preprocessor handles 64-bit ints, too.
2007-10-16 Eric Blake <ebb9@byu.net>
m4_map is a looping construct.

12
lib/autoconf/types.m4
View File

@ -1,7 +1,7 @@
# This file is part of Autoconf. -*- Autoconf -*-
# Type related macros: existence, sizeof, and structure members.
#
# Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006 Free Software
# Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006, 2007 Free Software
# Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
@ -472,7 +472,10 @@ AC_DEFUN([AC_TYPE_LONG_LONG_INT],
AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[long long int ll = 9223372036854775807ll;
[[#if ! (-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
error in preprocessor;
#endif
long long int ll = 9223372036854775807ll;
long long int nll = -9223372036854775807LL;
typedef int a[((-9223372036854775807LL < 0
&& 0 < 9223372036854775807ll)
@ -522,7 +525,10 @@ AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
[ac_cv_type_unsigned_long_long_int],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[unsigned long long int ull = 18446744073709551615ULL;
[[#if ! (18446744073709551615ULL <= -1u)
error in preprocessor;
#endif
unsigned long long int ull = 18446744073709551615ULL;
typedef int a[(18446744073709551615ULL <= (unsigned long long int) -1
? 1 : -1)];
int i = 63;]],