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From:	pdrap AT ctp DOT com (Patrick Draper)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: More info with the template problem
Date:	Tue, 10 Oct 1995 14:42:06 GMT
Organization:	Cambridge Technology Partners
Lines:	126
References:	<45de6r$mv2 AT concorde DOT ctp DOT com>
Reply-To:	pdrap AT ctp DOT com
Nntp-Posting-Host:	vuitpc08.nl.ctp.com
To:	djgpp AT sun DOT soe DOT clarkson DOT edu
Dj-Gateway:	from newsgroup comp.os.msdos.djgpp

Here's YET ANOTHER followup to the other two pleas for help that I posted,
in order to provide you with more information.

I just downloaded the version 2.0 beta version of DJGPP and I have the same
problem compiling the code. I expected to have the problem because it's
still gcc version 2.6.3.

By the way, the new beta version seems to be really damn fast! Very nice
work.




pdrap AT ctp DOT com (Patrick Draper) wrote:

>I'm including more information with the template problem that I'm having.

>In my research of how gcc handles templates, I ran across the web page that
>explains how to make templates work with gcc, but I can't figure out
>exactly how to get it to compile.

>I've included a very tiny example, and the compiler output to show my
>problem. The compiler that I'm using is DJGPP 1.12 maint 3, and the gcc
>version is 2.6.3.


>------------------------------------------------------------------------------------------------------------
>File: templates.h
>------------------------------------------------------------------------------------------------------------
>template <class T>

>class A {

>     public:

>       void f ();

>       T t;

>};

>     
>template <class T> void g (T a);


>------------------------------------------------------------------------------------------------------------
>File: templates.cc
>------------------------------------------------------------------------------------------------------------
>#include "templates.h"

>     

>template <class T>

>void A<T>::f () { }

>     

>template <class T>

>void g (T a) { }

>// explicit template instantiation These lines are here because
>// the FAQ said that they had to be there to work with gcc.
>template class A<int>
>template void g (A<int>);

>------------------------------------------------------------------------------------------------------------
>File: main.cc
>------------------------------------------------------------------------------------------------------------
>#include "templates.h"

>     

>main ()

>{

>  A<int> a;

>  a.f ();

>  g (a);

>}

>------------------------------------------------------------------------------------------------------------
>File: makefile
>------------------------------------------------------------------------------------------------------------
>CC=gcc
>CFLAGS=-Wall
>LIBS=-lm -lgpp

>.cc.o:
>	$(CC) -c $(CFLAGS) -o $*.o $<

>LIBOBJS=main.o templates.o


>main:  $(LIBOBJS)
>	gcc $(CFLAGS) -o main $(LIBOBJS) $(LIBS)


>main.o: main.cc templates.h
>templates.o: templates.cc templates.h

>------------------------------------------------------------------------------------------------------------
>Compiler output
>------------------------------------------------------------------------------------------------------------
>c:> make
>gcc -c -Wall -o main.o main.cc
>gcc -c -Wall -o templates.o templates.cc
>templates.h:11: parse error at null character
>make.exe: *** [templates.o] Error 1



>As you can see, the advice in the FAQ doesn't help! What am I missing here?


>Thanks,

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