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Mail Archives: djgpp/1998/04/15/10:31:25

From: Charles Terry <cterry AT plinet DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Compiling C and C++ in same project
Date: Wed, 15 Apr 1998 07:04:25 -0700
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

Eli Zaretskii wrote:
> 
> On 15 Apr 1998, Jason wrote:
> 
> >       I have written some code in C++ and would like to add prewritten code and
> > object files which were written in C.  Unfortunately, when the linker gets
> > hold of the object files compiled under C to be linked with the object file
> > compiled unter C++, I get errors saying that the functions defined in the C
> > modules do not exist (but they really do!).
> 
> > (Also, could someone explain what the difference between
> > object files produced by a C compiler, and object files produced by a C++
> > compiler?).
> 
> There is no difference.

In the context of the problem above.  The function names in a
c++ program are converted- "mangled" in a way that enables the linker
to recognize weather it's a global fuction or class method, the
return type and paramters passed, to facilitate the overloading that
C++ is capable of. C funtions dont need all of that stuff so the
names are not mangled the same way. 

Someday I'll learn to spell weather <sic>

Charles Terry

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