Re: gcc and small command line tasks

[James Nickson <jaynicks@earthlink.net>]

Thank you Dr. Beebe, got it in one.

I did not think so much  as 400K would be needed for a printf (laughing at
myself again).

Thanks all,

Jay

At 06:45 AM 8/12/05 -0600, Nelson H. F. Beebe wrote:
>James Nickson <jaynicks@earthlink.net> asks why a hello-world test
>produced a 471K executable program.
>
>I suspect that what Jack was seeing in the simple hello.c test is the
>difference between static and dynamic linking.  
>
>For example, on Sun Solaris 8:
>
>	% gcc -o hello hello.c
>	% ls -l hello
>	-rwxrwxr-x  1 beebe staff 6196 Aug 12 06:38 hello
>
>	% gcc -static -o hello hello.c
>	% ls -l hello
>	-rwxrwxr-x  1 beebe staff 363296 Aug 12 06:39 hello
>
>While dynamic linking is the default on all modern operating systems,
>there are cases (e.g., CD-ROM distribution of software and standalone
>boot and rescue disks) where static linking is required to avoid
>dependencies on shared libraries that might be in different locations
>on some remote system than on the system where the executable was
>built, or might be corrupted (consider what happens to your Unix
>system if /lib/libc.so.1 develops a bad disk block: virtually nothing
>can run).
>
>
>---------------------------------------------------------------------------
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=============================================
James Nickson                                  jaynicks@lccdigital.com
19 O.Cheq.Nk.Rd., Wellfleet, MA                      508.349.2422