Greetings,
I am slowly learning a few things but am far from being an expert. I am at the point now that I
would like to be able write some ANSI C code on HP-UX 10.2. Just a hobbie... I am just using cc,
which came with the HP-UX 10.2 ...
I don't have the manuals for the development environment...
Anyway, I have the following sample code that illustrates that I am missing a library file
when cc attempts to link??? That is the conclusion I have come to.
I have looked through man pow, and man math and have not found the information I am looking for.
I am not sure 1) which library file is missing and 2) the syntax I need to use to poperly compile
and link in the object files.
Following is sample code that illustrates the issue I am having with cc
Thanks in advance,
Dirk
Code:
$ uname -a
HP-UX green B.10.20 A 9000/782 2015827886 two-user license
=========
cat ex4_6.c
#include <stdio.h>
#include <math.h>
main ()
{
float polyresult;
polyresult = 3 * powf(2.55, 3) + 2 * powf(2.55, 2) + 6;
printf("the result is %f\n", polyresult );
}
$ cc ex4_6.c
/usr/ccs/bin/ld: Unsatisfied symbols:
powf (code)
Last edited by pludi; 11-18-2009 at 06:34 PM..
Reason: code tags, please...
You should let cc call ld automatically as it will include the correct libraries libc and the C runtime startup file crt0.o so the ld command will look like...
I am not sure if the bundled cc is fully ANSI compliant. For instance the man pages say that cc +help should work but I am getting...
$ cc +help
(Bundled) cc: warning 480: The +help option is available only with the C/ANSI C product; ignored.
/usr/ccs/bin/ld: Unsatisfied symbols:
main
Thanks again for your responce. I am hoping to get cc to work and link in the proper lib files, so I can continue to enjoy learning...
By the way HP has some archived documentation on the C240 running HP-UX 10.2, on their web sit, which is exactly what I have... I have looked through some of those docs but have not found what I am looking for ... so far.. but will continue to research this...
The bundled cc in HP-UX is a minimum C compiler which is mainly included for doing kernel rebuilds. You need to obtain what is now called the HP C/ANSI C Developer's Bundle to get a real ANSI C compiler or install gcc.
fpmurphy has it. But he was being nice. It is a mostly K&R compliant compiler.
Upgrading to the ANSI version cost money, even if it is available for 10.2
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