RE: [cobalt-developers] GCC and C++ on my cobalt - cant use iostream.h library??

["Kal Amry" <kamry1888@xxxxxxxxx>]

Use g++, I believe gcc is a c compiler! Also, the gnu g++ compiler accepts
<iostream> without the h although I think it also takes it with the h, so
just a tip for you... Also, you can compile using:
g++ -s test.cpp "to get a smaller executable"
the above line will give an a.out exe so to run that, I think you need to do
it explicitly by doing:

./a.out at the command line


To view all errors and warning, use -Wall (Capital w and the rest in lower
cases)

Read the man g++ and info g++

Kal Amry


-----Original Message-----
From: cobalt-developers-admin@xxxxxxxxxxxxxxx
[mailto:cobalt-developers-admin@xxxxxxxxxxxxxxx]On Behalf Of Kevin D
Sent: Friday, February 02, 2001 2:33 PM
To: cobalt-developers@xxxxxxxxxxxxxxx
Subject: [cobalt-developers] GCC and C++ on my cobalt - cant use
iostream.h library??


I am a veteran windows/dos C++ programmer but new to C++ programming on
linux (been doing Perl scripting up until now). I put together a small C++
program as a test:

#include<iostream.h>

void main() {
cout << "The dog ate my linux book.";
}

And compiled using:
gcc test.cpp -o test

And I got the following errors:

/tmp/ccurlyjh.o: In function `main':
/tmp/ccurlyjh.o(.text+0x9): undefined reference to `cout'
/tmp/ccurlyjh.o(.text+0xe): undefined reference to `ostream::operator<<(char
const *)'
collect2: ld returned 1 exit status

I have tried this with various variations, including adding the following
lines to the program (as per GCC FAQ): "using std::cout;" and/or "using
namespace std;" to no avail.

I've also read that GCC won't link to libraries not compiled by GCC. Could
it be that the C++ libraries for iostream weren't compiled using GCC?

If not, what is the deal?

Kevin

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