help, gcc, ?cout error?

[Rick Dearman]

Use C !

#include <stdio.h>

int
main (void)
{
printf("Hello\n");
return 0;
}

gcc -o hello hello.c

./hello



aka007@mail.com wrote:
> 
> thanks for letting me know what the diff was with gcc vs g++...
> 
> hope this is still valid here?  anyhow, here is current version of my
> "hello" program:
> 
> UW PICO(tm) 2.9                  File: a.cpp
> 
> #include <iostream>
> using namespace std;
> 
> int main() {
>   cout << "hello";
>   return 0;
> }
> 
> using command g++ -o a a.cpp , then it "thinks" for a moment, but
> creates no output on the telnet session screen.  pico a.out reveals an
> empty file, no "hello" in there at all...    at least no error
> messages.
> 
> so, i'm not even really positive my school has g++, but it doesn't
> create an error when i try it using g++, so i figure it is on the
> system?  how can i know for sure?  i thought a simple "hello" program,
> to confirm i'll be able to do some programming, but maybe not.
> 
> any thoughts?
> 
> Jesse
> aka007@mail.com
> 
> On Sun, 12 Dec 1999 10:31:31 -0600, Tom Barron
> <tbarron@mindspring.com> wrote:
> 
> >Hi, Jesse.  I pasted your code into a file called jesse.cpp on my
> >system.  Watch this:
> >
> >$ gcc jesse.cpp
> >/tmp/ccyMXXQa.o: In function `main':
> >/tmp/ccyMXXQa.o(.text+0x25): undefined reference to `cout'
> >/tmp/ccyMXXQa.o(.text+0x2a): undefined reference to
> >`ostream::operator<<(int)'
> >collect2: ld returned 1 exit status
> >$ g++ jesse.cpp
> >$ a.out
> >5$
> >
> >The problem is that cout and iostream.h are part of C++, but gcc only
> >handles C.  To compile C++ code, you need to invoke the compiler as g++.
> >
> >To get a newline on the end of your output, you might want to do
> >
> >     cout << a << endl;
> >
> >hth...
> >Tom
> >
> >aka007@mail.com wrote:
> >>
> >> i modified it a bit, here is the current version:
> >>
> >>    UW PICO(tm) 2.9                  File: a.cpp
> >> ...