Date: Sun, 13 Nov 1994 19:19:26 -0500 (CDT)
From: Aaron Ucko <UCKO AT VAX1 DOT ROCKHURST DOT EDU>
Subject: Re: Shared libraries
To: dliu AT faraday-gw DOT njit DOT edu
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Organization: Rockhurst College; Kansas City, MO

>>>>>> On Sun, 13 Nov 1994 09:38:59 -0500 (CDT), Aaron Ucko <UCKO AT VAX1 DOT ROCKHURST DOT EDU> said:
>
>Aaron> My understanding of the situation is that the only thing keeping DJGPP 
>Aaron> from normally using shared libraries is global variables accessed by 
>Aaron> both the libraries and your program.  Couldn't this be remedied by 
>Aaron> adding some sort of hook to the startup code to automatically export any 
>Aaron> desired global variables?  Or is the only legal startup code to be found 
>Aaron> in (g)crt0.o?  Just wondering...
>
>I have tried the ELF support in Linux, it is very simple to make a
>shared library this way. So it seems now GCC and GAS are pretty much bug
>free dealing "-fPIC" code. I'm thinking maybe DJGPP could also use ELF.
>Or just use -fPIC with the coff format. I'm not expert in this area,
>just my $0.02.
Pardon my ignorance again, but...what's -fPIC?  And don't the object-file
utilities included in GCC allow it to be able to deal with both COFF and ELF
format objects?...just my non-cents :-)

--- Aaron Ucko (ucko AT vax1 DOT rockhurst DOT edu; finger for PGP public key) -=- httyp!
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