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From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH, RFC] ld flag --warn-common
Date: Fri, 19 Sep 2008 19:37:32 +0300	[thread overview]
Message-ID: <20080919163730.GA5016@localhost.localdomain> (raw)
In-Reply-To: <f43fc5580809070124v10da89bcm109e771369400439@mail.gmail.com>

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On Sun, Sep 07, 2008 at 11:24:37AM +0300, Blue Swirl wrote:
> Hi,
> 
> These trivial patches enable linker flag --warn-common and fix the
> warnings caused by enabling the flag.

This flag cause a lot of warning on my machine, even with trivial program.

$ cat 1.c
#include <stdio.h>

int main()
{
        printf("test\n");
        return 0;
}
$ gcc -Wl,--warn-common -static 1.c 
/usr/lib64/gcc/x86_64-alt-linux/4.1.2/../../../../lib64/libc.a(strtoul.o): warning: multiple common of `_nl_category_name_idxs'
/usr/lib64/gcc/x86_64-alt-linux/4.1.2/../../../../lib64/libc.a(strtol.o): warning: previous common is here
/usr/lib64/gcc/x86_64-alt-linux/4.1.2/../../../../lib64/libc.a(strtol_l.o): warning: multiple common of `_nl_category_name_idxs'
/usr/lib64/gcc/x86_64-alt-linux/4.1.2/../../../../lib64/libc.a(strtol.o): warning: previous common is here
/usr/lib64/gcc/x86_64-alt-linux/4.1.2/../../../../lib64/libc.a(strtoul_l.o): warning: multiple common of `_nl_category_name_idxs'
/usr/lib64/gcc/x86_64-alt-linux/4.1.2/../../../../lib64/libc.a(strtol.o): warning: previous common is here
/usr/lib64/gcc/x86_64-alt-linux/4.1.2/../../../../lib64/libc.a(vfprintf.o): warning: multiple common of `_nl_category_name_idxs'
/usr/lib64/gcc/x86_64-alt-linux/4.1.2/../../../../lib64/libc.a(strtol.o): warning: previous common is here

...and so on.


Is it problem with my toolchain? What is your testing environment?

-- 
Regards,  Kirill A. Shutemov
 + Belarus, Minsk
 + ALT Linux Team, http://www.altlinux.com/

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  parent reply	other threads:[~2008-09-19 16:36 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-07  8:24 [Qemu-devel] [PATCH, RFC] ld flag --warn-common Blue Swirl
2008-09-07 11:50 ` Ben Taylor
2008-09-07 12:30   ` Blue Swirl
2008-09-09 15:14     ` Ben Taylor
2008-09-09 15:56       ` Blue Swirl
2008-09-09 16:46         ` Blue Swirl
2008-09-19 16:37 ` Kirill A. Shutemov [this message]
2008-09-20  7:49   ` Blue Swirl
2008-09-21 21:14     ` Kirill A. Shutemov
2008-09-22 16:24       ` Blue Swirl
2008-09-22 16:39         ` Kirill A. Shutemov
2008-09-22 17:16           ` Blue Swirl

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