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Re: dllwrap and excluded symbols
- To: Tim Reed <timr at viaworks dot com>
- Subject: Re: dllwrap and excluded symbols
- From: Earnie Boyd <earnie_boyd at yahoo dot com>
- Date: Wed, 11 Oct 2000 11:24:43 -0700 (PDT)
- Cc: DJ Delorie <dj at delorie dot com>, cygwin at sources dot redhat dot com
--- Tim Reed <timr@viaworks.com> wrote:
>
> The command line I am using for the dll is
>
> dllwrap --target=i386-mingw32 -mno-cygwin --driver-flags -O0 -g
> -L/usr/local/lib/ -L/usr/local/i386-mingw32/lib/ -lmsvcrt -lwsock32 -static
> -mno-cygwin -v -H -liberty --export-all --output-def viaworks.def
> --driver-name gcc -o viaworks.dll -lgmp -lwsock32 -lmsvcrt
>
> And for a compiled program I use
>
> gcc acoset_test.o acoset.o ../lib/vsp/base64.o ../lib/libvia.a -O0 -g
> -L/usr/local/lib/ -L/usr/local/i386-mingw32/lib/ -lmsvcrt -lwsock32 -static
> -mno-cygwin -v -H -liberty -L/usr/local/lib/ -lgmp -lm -L../lib/ -lvia -o
> acoset_test
>
> At least, that's what my Makefile is generating. You'll note that I'm using
> gmp compiled for mingw and the gcc version is 2.95.2 19991024 (release 2).
>
> Using objdump -p I found that malloc is being linked to msvcrt.dll and not
> crtdll in both my program and my dll. My dll still links in crtdll because
> it uses some functions for entering and exiting the dll code, basically
> it's called _GetMainArgs, atexit, _environ_dll, and the like.
>
> I mentioned earlier that removing msvcrt from the dll compilation command
> doesn't solve the problem. Do you think using msvcrt and removing crtdll
> is the solution? Is that possible?
>
> Hope that tells you something...
>
You need to choose only one runtime. Since -mno-cygwin includes the crtdll
runtime via the specs file then I suggest removing the references to -lmsvcrt.
This, may not help you situation though.
Cheers,
=====
Earnie Boyd
mailto:earnie_boyd@yahoo.com
--- <http://earniesystems.safeshopper.com> ---
--- Cygwin: POSIX on Windows <http://gw32.freeyellow.com/> ---
--- Minimalist GNU for Windows <http://www.mingw.org/> ---
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