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From: "Tõnu Aas" <tonu AT ids DOT ee>
Newsgroups: comp.os.msdos.djgpp
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Subject: Re: conio
Date: Fri, 30 Jan 2004 10:10:36 +0200
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> >     Is it possible to run djgpp program without conio module ?
> > In djdev there is __gppconio_init in .ctor section.

> Being in the constructors section of some .o file in libc.a doesn't
> all by itself cause a function to be included in your linked program.
> That only happens if you cause the relevant module to be linked in,
> e.g. by using one of its functions.
>
> Do you have actual evidence that this function got included in one of
> your programs which didn't use <conio.h> or similar functions?

    No. I am just thinking to throw conio out of my program.
And I have not so good understanding how linker works.
So I am asking here.

    Does linker link whole module while some function from this module used
?
Then its wasting space by including functions not used by program.
If not then how it can include __gppconio_init because its not used by any
function in
module.

Tõnu.