From mboxrd@z Thu Jan  1 00:00:00 1970
From: hjl@innovix.com (H.J. Lu)
To: rh@unifix.de (Ruediger Helsch)
Cc: rms@gnu.ai.mit.edu, dm@sgi.com, gcc2@cygnus.com, gas2@cygnus.com
Subject: Re: global vars and symbol visibility for mips32/elf
Date: Tue, 13 Aug 1996 14:40:00 -0000
Message-id: <m0uqR8Y-0000WQC@eric.innovix.com>
References: <Pine.LNX.3.91.960813210346.26776P-100000@anna.unifix.de>
X-SW-Source: 1996/msg00091.html

> 
> While for the linker, we use a variant of the Linux linker distributed
> of H.J.Lu, which is a somehow modified GNU ld. There again somebody did 
> the work and put in warning messages for the case that commons were
> linked against library functions.  Again, this person obviously knew
> what the problem was and deliberately decided to issue a warning instead
> of preventing the symbol to match.

I modified BFD toa issue a warning when the symbol'ss type changes.
It doesn't necessarily mean an error, especially when a read-only 
symbols are put into the .text section. But in some cases, the
warning helps when you have

foo ()
{
}

in a shared library and

int foo = 0;

in the application.


H.J.