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@xxxxxxxxxxxxx> 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). > > >--------------------------------------------------------------------------- ---- >- Nelson H. F. Beebe Tel: +1 801 581 5254 - >- University of Utah FAX: +1 801 581 4148 - >- Department of Mathematics, 110 LCB Internet e-mail: beebe@xxxxxxxxxxxxx - >- 155 S 1400 E RM 233 beebe@xxxxxxx beebe@xxxxxxxxxxxx - >- Salt Lake City, UT 84112-0090, USA URL: http://www.math.utah.edu/~beebe - >--------------------------------------------------------------------------- ---- > ============================================= James Nickson jaynicks@xxxxxxxxxxxxxx 19 O.Cheq.Nk.Rd., Wellfleet, MA 508.349.2422
