On Sat, 7 Aug 1999, Micha Feigin wrote:
> Date: Sat, 07 Aug 1999 13:48:48 +0300 (GMT+0300)
> From: Micha Feigin <[EMAIL PROTECTED]>
> To: Debian-user <Debian-user@lists.DEBIAN.org>
> Subject: c++ include problem (preprocessor directives)
> Resent-Date: Sat, 07 Aug 1999 10:45:21 +0000
> Resent-From: debian-user@lists.DEBIAN.org
> Resent-cc: recipient list not shown: ;
>
> In my files the headers are included like this:
> #ifdef NEWCPPH
> #include <iostream>
> #else
> #include <iostream.h>
> #endif
>
> #include <cassert>
> #include <cstring>
> #include "input.h"
>
> only then i get an error that the functions declared inside input.h can't
> be found. The linker says:
> g++ -o main.o -Wall -pedantic -c main.cpp
> g++ main.o -o main
> main.o: In function `main':
> main.o(.text+0x16): undefined reference to `input(void)'
> main.o(.text+0x8a): undefined reference to `input(char const *)'
> collect2: ld returned 1 exit status
> make: *** [main] Error 1
>
> what am i doing wrong?
learn about C++ name mangling
extern "C" is your friend
>
> thanx
> [EMAIL PROTECTED]
>
>
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>
Oleg Krivosheev,
MS 220, BD/Physics,
Fermi National Accelerator Laboratory,
P.O.Box 500, Batavia, Illinois, 60510
phone: (630) 840 8460
FAX : (630) 840 6039
Email: [EMAIL PROTECTED]
