Mail Archives: djgpp/1998/11/17/15:05:35
Bjorn De Meyer wrote:
> On Mon, 16 Nov 1998, Roland Schulz wrote:
>
> > Hey!
> > I'm working on a simulating program and since I want it to be real fast,
> > I want to compile the equations into a library and then link it together
> > with my program. I got a few questions about libraries and related
> > things:
> > 1. Is it possible to change the library (put the new equation in it) and
> > use the new library without a rebuilt (maybe with dynamic linking)?
> Yes.
> There are packages like dlx, and the likes wich enable dll-like
> stuff. However, I think that for your problem, you will probably not need
> such packages as they may be more work than simply recompiling and
> updating a library. And maybe you should think of building an
> equation-interpreter using FLEX and BISON, so you don't have to
> hard-code in new equations..
>
> > 2. Is it possible to generate a library which can be linked with Visual
> > C++ (sorry but I would like to program it for Windows the easy way)?
> I'd say no. What with the differences in format between DJGPP's .a files
> and window's .lib format.
> > 3. If I'm going to distribute my program one day is it legal to include
> > the following files: ar.exe, cc1, djgpp.env, gcc.exe, coping and math.h
> > by itself or do I have to include any other files?
> What will your users need ar.exe, cc1, djgpp.env, gcc and math.h for?
> If they are end-users they will not be expected to do compiling by
> themselves, while other DJGPP programmers will have them. And for copying,
> you can redistribute this with any of your progarms, IF you want your
> program to be GPL'ed.
> > 4. Is there any way to reduce the size of the files I have to include to
> > compile REAL simple functions (math equations) even more with not to
> > much effort (I don't want to program a whole new compiler)?
> Eh, if you want to reduce your executable size, use UPX or DJP, and STRIP
> your executables. But I don't really undersatnd what you are actually
> aiming at...
>
> >
> > Thanx a lot for your help in advance!!
> >
> Hope this helps. Have fun :) !
> > Roland Schulz
> >
> >
> >
> >
>
> Bjorn De Meyer.
> IA #i^4
> Homepage: http://studwww.rug.ac.be/~bgdmeyer
> E-mail: bjorn DOT demeyer AT rug DOT ac DOT be
> Licentiate Chemistry.
> Coordinator of the "Tales of Artah: First Sword" CRPG project.
>
> "I've shaven. I'm happy. I have no religion. Don't pray for me."
> Illusion of Gaia 2
>
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