Your message dated Tue, 12 Jan 2021 09:27:19 +0100
with message-id <[email protected]>
and subject line Re: Bug#972965: conflicting declaration of wchar_t
has caused the Debian Bug report #972965,
regarding conflicting declaration of wchar_t
to be marked as done.
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--
972965: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=972965
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: libintelrdfpmath-dev
Version: 2.0u2-3
Severity: important
Tags: patch
Dear Maintainer,
If one compiles the attached C program on i386 or armhf, one gets:
In file included from wchar_t-bug.c:9:
/usr/lib/gcc/i686-linux-gnu/10/include/stddef.h:321:24: error: conflicting
types for ‘wchar_t’
321 | typedef __WCHAR_TYPE__ wchar_t;
| ^~~~~~~
In file included from wchar_t-bug.c:7:
/usr/include/bid_functions.h:46:15: note: previous declaration of ‘wchar_t’ was
here
46 | typedef int wchar_t;
| ^~~~~~~
The problem is that bid_functions.h comes with its own definition of wchar_t,
which conflicts with that of GCC.
Note that the problem does not occur on amd64 (I guess because the inclusion
chains are different, and wchar_t gets defined by GCC before bid_functions.h
tries to redefine it).
I attach a patch that solves the problem by simply unconditionnally including
wchar.h, instead of defining wchar_t.
Best,
--
⢀⣴⠾⠻⢶⣦⠀ Sébastien Villemot
⣾⠁⢠⠒⠀⣿⡁ Debian Developer
⢿⡄⠘⠷⠚⠋⠀ http://sebastien.villemot.name
⠈⠳⣄⠀⠀⠀⠀ http://www.debian.org
#define DECIMAL_CALL_BY_REFERENCE 1
#define DECIMAL_GLOBAL_ROUNDING 1
#define DECIMAL_GLOBAL_ROUNDING_ACCESS_FUNCTIONS 1
#define DECIMAL_GLOBAL_EXCEPTION_FLAGS 1
#define DECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS 1
#include <bid_conf.h>
#include <bid_functions.h>
#include <stddef.h>
int
main()
{
}
--- bid_functions.h.orig 2018-06-08 03:10:52.000000000 +0200
+++ bid_functions.h 2020-10-26 18:26:16.833114259 +0100
@@ -36,16 +36,9 @@
#ifndef _BID_FUNCTIONS_H
#define _BID_FUNCTIONS_H
-#if !defined (__GNUC__) || defined(__QNX__)
#include <wchar.h>
-#endif
#include <ctype.h>
-// Fix system header issue on Sun solaris and define required type by ourselves
-#if !defined(_WCHAR_T) && !defined(_WCHAR_T_DEFINED) && !defined(__QNX__)
-typedef int wchar_t;
-#endif
-
#ifdef IN_LIBGCC2
// When we are built as the part of the gcc runtime library, libgcc,
--- End Message ---
--- Begin Message ---
Version: 2.0u2-4
On Mon, Oct 26, 2020 at 06:31:27PM +0100, Sébastien Villemot wrote:
> I attach a patch that solves the problem by simply unconditionnally including
> wchar.h, instead of defining wchar_t.
Thanks, I included the patch in -4 but got the bug number wrong in the
changelog.
Regards,
Stephen
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