1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
From 103514e40da5f20aebf83a3446452ccebe5172bb Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 19 Jun 2023 14:04:29 -0700
Subject: [PATCH 25/29] Fix AC_SYS_LARGEFILE on GNU/Linux alpha, s390x
Problem reported by Matoro <https://bugs.gnu.org/64123>.
* lib/autoconf/specific.m4 (_AC_SYS_LARGEFILE_TEST_CODE):
New overridable macro FTYPE, to test types other than off_t.
(_AC_SYS_LARGEFILE_TEST_CODE): Test ino_t for
-D_FILE_OFFSETBITS=64 too, if no flags are needed for off_t.
Needed for GNU/Linux on alpha and s390x.
Upstream-Status: Backport
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
lib/autoconf/specific.m4 | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)
diff --git a/lib/autoconf/specific.m4 b/lib/autoconf/specific.m4
index 91f20bf0d..9d5974548 100644
--- a/lib/autoconf/specific.m4
+++ b/lib/autoconf/specific.m4
@@ -238,13 +238,16 @@ AS_IF([test "$enable_year2038,$ac_have_year2038" = yes,no],
# C code used to probe for large file support.
m4_define([_AC_SYS_LARGEFILE_TEST_CODE],
[@%:@include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
- We can't simply define LARGE_OFF_T to be 9223372036854775807,
+@%:@ifndef FTYPE
+@%:@ define FTYPE off_t
+@%:@endif
+ /* Check that FTYPE can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_FTYPE to be 9223372036854775807,
since some C++ compilers masquerading as C compilers
incorrectly reject 9223372036854775807. */
-@%:@define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
- int off_t_is_large[[(LARGE_OFF_T % 2147483629 == 721
- && LARGE_OFF_T % 2147483647 == 1)
+@%:@define LARGE_FTYPE (((FTYPE) 1 << 31 << 31) - 1 + ((FTYPE) 1 << 31 << 31))
+ int FTYPE_is_large[[(LARGE_FTYPE % 2147483629 == 721
+ && LARGE_FTYPE % 2147483647 == 1)
? 1 : -1]];[]dnl
])
# Defined by Autoconf 2.71 and circa 2022 Gnulib unwisely depended on it.
@@ -284,7 +287,13 @@ AC_DEFUN([_AC_SYS_LARGEFILE_PROBE],
AS_IF([test x"$ac_opt" != x"none needed"],
[CC="$ac_save_CC $ac_opt"])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([_AC_SYS_LARGEFILE_TEST_CODE])],
- [ac_cv_sys_largefile_opts="$ac_opt"
+ [AS_IF([test x"$ac_opt" = x"none needed"],
+ [# GNU/Linux s390x and alpha need _FILE_OFFSET_BITS=64 for wide ino_t.
+ CC="$CC -DFTYPE=ino_t"
+ AC_COMPILE_IFELSE([], [],
+ [CC="$CC -D_FILE_OFFSET_BITS=64"
+ AC_COMPILE_IFELSE([], [ac_opt='-D_FILE_OFFSET_BITS=64'])])])
+ ac_cv_sys_largefile_opts=$ac_opt
ac_opt_found=yes])
test $ac_opt_found = no || break
done
--
2.41.0
|
