Debian Bug report logs -
#525016
mingw32: multiple definition of _powf
Reported by: Jay Foad <jay.foad@gmail.com>
Date: Tue, 21 Apr 2009 14:12:07 UTC
Severity: normal
Found in version mingw32/4.2.1.dfsg-1
Fixed in version gcc-mingw-w64/14
Done: Stephen Kitt <skitt@debian.org>
Bug is archived. No further changes may be made.
Toggle useless messages
Report forwarded
to debian-bugs-dist@lists.debian.org, jay.foad@gmail.com, Ron Lee <ron@debian.org>:
Bug#525016; Package mingw32.
(Tue, 21 Apr 2009 14:12:09 GMT) (full text, mbox, link).
Acknowledgement sent
to Jay Foad <jay.foad@gmail.com>:
New Bug report received and forwarded. Copy sent to jay.foad@gmail.com, Ron Lee <ron@debian.org>.
(Tue, 21 Apr 2009 14:12:09 GMT) (full text, mbox, link).
Message #5 received at submit@bugs.debian.org (full text, mbox, reply):
Package: mingw32
Version: 4.2.1.dfsg-1
Severity: normal
I get the following link error when I try to build this program as C++:
$ cat pow.cpp
#include <math.h>
int main() { fmodf(0.0, 0.0); powf(0.0, 0.0); }
$ i586-mingw32msvc-g++ -o pow pow.cpp
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/libstdc++.a(stubs.o):(.text+0x160):
multiple definition of `_powf'
/tmp/ccQcUwaq.o:pow.cpp:(.text$powf[_powf]+0x0): first defined here
collect2: ld returned 1 exit status
If I compile with i586-mingw32msvc-gcc instead, it succeeds.
This problem prevents me from building LLVM (http://llvm.org/) with
Debian's mingw32 tools.
-- System Information:
Debian Release: 5.0
APT prefers stable
APT policy: (500, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.26-1-486
Locale: LANG=en_ZA.UTF-8, LC_CTYPE=en_ZA.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages mingw32 depends on:
ii libc6 2.7-18 GNU C Library: Shared libraries
ii mingw32-binutils 2.18.50-20080109-1 Minimalist GNU win32 (cross) binut
ii mingw32-runtime 3.13-1 Minimalist GNU win32 (cross) runti
mingw32 recommends no packages.
Versions of packages mingw32 suggests:
pn cpp-doc <none> (no description available)
pn gcc-doc <none> (no description available)
-- no debconf information
Information forwarded
to debian-bugs-dist@lists.debian.org, Ron Lee <ron@debian.org>:
Bug#525016; Package mingw32.
(Wed, 22 Apr 2009 15:48:06 GMT) (full text, mbox, link).
Acknowledgement sent
to Jay Foad <jay.foad@gmail.com>:
Extra info received and forwarded to list. Copy sent to Ron Lee <ron@debian.org>.
(Wed, 22 Apr 2009 15:48:06 GMT) (full text, mbox, link).
Message #10 received at 525016@bugs.debian.org (full text, mbox, reply):
The problem seems to be that libstdc++.a(stubs.o) contains a
definition of powf(), but it shouldn't, because the mingw32-runtime
math.h already defines powf() as an inline function. libstdc++'s
configure should spot this and define HAVE_POWF but it doesn't.
I think the fix might be to add GLIBCXX_CHECK_MATH_SUPPORT to the
mingw32 part of libstdc++'s crossconfig.m4, where it already has
GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT.
Something similar has been done in the recent fix for this bug:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38919
Jay.
Added tag(s) pending.
Request was from Stephen Kitt <skitt@debian.org>
to control@bugs.debian.org.
(Sat, 26 Jul 2014 21:54:04 GMT) (full text, mbox, link).
Reply sent
to Stephen Kitt <skitt@debian.org>:
You have taken responsibility.
(Mon, 28 Jul 2014 06:51:57 GMT) (full text, mbox, link).
Notification sent
to Jay Foad <jay.foad@gmail.com>:
Bug acknowledged by developer.
(Mon, 28 Jul 2014 06:51:57 GMT) (full text, mbox, link).
Message #17 received at 525016-close@bugs.debian.org (full text, mbox, reply):
Source: gcc-mingw-w64
Source-Version: 14
We believe that the bug you reported is fixed in the latest version of
gcc-mingw-w64, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 525016@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Stephen Kitt <skitt@debian.org> (supplier of updated gcc-mingw-w64 package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Mon, 28 Jul 2014 01:41:35 +0200
Source: gcc-mingw-w64
Binary: gcc-mingw-w64 gcc-mingw-w64-i686 gcc-mingw-w64-x86-64 g++-mingw-w64 g++-mingw-w64-i686 g++-mingw-w64-x86-64 gfortran-mingw-w64 gfortran-mingw-w64-i686 gfortran-mingw-w64-x86-64 gobjc-mingw-w64 gobjc-mingw-w64-i686 gobjc-mingw-w64-x86-64 gobjc++-mingw-w64 gobjc++-mingw-w64-i686 gobjc++-mingw-w64-x86-64 gcc-mingw-w64-base mingw32
Architecture: source all amd64
Version: 14
Distribution: unstable
Urgency: medium
Maintainer: Stephen Kitt <skitt@debian.org>
Changed-By: Stephen Kitt <skitt@debian.org>
Description:
g++-mingw-w64 - GNU C++ compiler for MinGW-w64
g++-mingw-w64-i686 - GNU C++ compiler for MinGW-w64 targeting Win32
g++-mingw-w64-x86-64 - GNU C++ compiler for MinGW-w64 targeting Win64
gcc-mingw-w64 - GNU C compiler for MinGW-w64
gcc-mingw-w64-base - GNU Compiler Collection for MinGW-w64 (base package)
gcc-mingw-w64-i686 - GNU C compiler for MinGW-w64 targeting Win32
gcc-mingw-w64-x86-64 - GNU C compiler for MinGW-w64 targeting Win64
gfortran-mingw-w64 - GNU Fortran compiler for MinGW-w64
gfortran-mingw-w64-i686 - GNU Fortran compiler for MinGW-w64 targeting Win32
gfortran-mingw-w64-x86-64 - GNU Fortran compiler for MinGW-w64 targeting Win64
gobjc++-mingw-w64 - GNU Objective-C++ compiler for MinGW-w64
gobjc++-mingw-w64-i686 - GNU Objective-C++ compiler for MinGW-w64 targeting Win32
gobjc++-mingw-w64-x86-64 - GNU Objective-C++ compiler for MinGW-w64 targeting Win64
gobjc-mingw-w64 - GNU Objective-C compiler for MinGW-w64
gobjc-mingw-w64-i686 - GNU Objective-C compiler for MinGW-w64 targeting Win32
gobjc-mingw-w64-x86-64 - GNU Objective-C compiler for MinGW-w64 targeting Win64
mingw32 - Minimalist GNU win32 (cross) compiler (transition package)
Closes: 179760 281030 317146 338412 351790 403720 418167 470574 470873 484299 498400 514186 514187 525016 583262 748353 750741 756142
Changes:
gcc-mingw-w64 (14) unstable; urgency=medium
.
* Provide compilers using Windows and POSIX threads. The default setup
uses Windows threads, thus avoiding the dependency on the pthreads DLL
(Closes: #748353, #750741).
* Use the default exception-handling (SJLJ on 32-bit Windows, SEH on
64-bit Windows). (With the above, LP: #1338043.)
* Build a mingw32 transition package (Closes: #756142):
- C++ code with interface/implementation pragmas links correctly
(Closes: #179760);
- libstdc++.la is no longer shipped (Closes: #281030);
- the libstdc++ DLL is provided (Closes: #317146);
- _NO_OLD_NAMES doesn't break unistd.h (Closes: #338412);
- the gccbug manpage is no longer linked to (Closes: #351790);
- the package description doesn't mention "freedom through
obsolescence" (Closes: #403720);
- g77 is provided (Closes: #418167);
- nothing is installed in /usr/libexec (Closes: #470574);
- Lintian overrides are correct (Closes: #470873);
- powf and sinf can be used in the same project (Closes: #484299);
- there's no "it's"/"its" typo in the Debian-specific files (Closes:
#498400);
- the package builds gcc 4.9 (Closes: #514186);
- a 64-bit compiler is available (Closes: #514187);
- powf is defined correctly (Closes: #525016);
- no compilercache symlinks are shipped (Closes: #583262).
* Ship the C++ header files in the default location instead of
/usr/include/c++/; this avoids having to introduce a new package for
the target-independent headers.
* Remove obsolete gnat files.
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Bug archived.
Request was from Debbugs Internal Request <owner@bugs.debian.org>
to internal_control@bugs.debian.org.
(Wed, 27 Aug 2014 07:26:56 GMT) (full text, mbox, link).
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