Re: problem with dynamic_cast

[Chris Faylor <cgf at cygnus dot com>]

On Fri, Sep 08, 2000 at 10:18:42AM -0400, Fleischer, Karsten (K.) wrote:
>How about including the stub libraries in the distribution, rather than the
>symlinks?

The reason for the symlinks is that some packages search libc.a and libm.a
for symbols.

If linking libc.a twice causes problems, then it *is* a bug in either gcc or
ld.

Mumit had vowed once to fix this problem but then he disappeared...

cgf

>> -----Original Message-----
>> From: Earnie Boyd [mailto:earnie_boyd@yahoo.com]
>> Sent: Freitag, 8. September 2000 15:11
>> To: Larry Hall (RFK Partners, Inc); Fleischer, Karsten (K.);
>> 'kris.thielemans@ic.ac.uk'
>> Cc: Cygwin (E-mail)
>> Subject: RE: problem with dynamic_cast
>> 
>> 
>> --- "Larry Hall (RFK Partners, Inc)" <lhall@rfk.com> wrote:
>> > Quite true.  -lm and -lc are not necessary with Cygwin.  
>> The support for 
>> > them are in the Cygwin DLL/lib which is linked in 
>> automatically.  Linking
>> > with it twice (or more) guarantees a crash.  The simple 
>> answer is, don't
>> > us -lm or -lc with Cygwin.
>> > 
>> 
>> My suggestion to this problem:
>> 
>> Replace the symbolic links with stub libraries.  I've 
>> attached them for your
>> convenience.  With the stub libraries it won't matter if you 
>> forget to not use
>> -lm or -lc 'cause things will work correctly.
>> 
>> Cheers,
>> 
>> =====
>> --- <http://earniesystems.safeshopper.com> ---
>>    Earnie Boyd: <mailto:earnie_boyd@yahoo.com>
>>             __Cygwin: POSIX on Windows__
>> Cygwin Newbies: <http://gw32.freeyellow.com/>
>>            __Minimalist GNU for Windows__
>>   Mingw32 List: <http://www.egroups.com/group/mingw32/>
>>     Mingw Home: <http://www.mingw.org/>
>> 
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>
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cgf@cygnus.com                        Cygnus Solutions, a Red Hat company
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