Thanks!! -----Original Message----- From: fedora-devel-list-bounces@xxxxxxxxxx [mailto:fedora-devel-list-bounces@xxxxxxxxxx] On Behalf Of Adam Jackson Sent: Friday, September 18, 2009 11:08 AM To: Development discussions related to Fedora Subject: Re: GNU libc confusion with symbols undefined. On Fri, 2009-09-18 at 09:21 -0500, Brown, Rodrick wrote: > I'm trying to understand the following here > > I have a simple test program that calls memcpy/malloc/printf > > int > main(int argc, char **argv) > { > char * p = malloc(10); > memcpy(p,"Hello",6); > printf("%s\n", p); > } > > When looking at the symbol list why are the following routines undefined? And why is it referncing GLIBC_2.2.5? > > $ nm /tmp/f |grep ' U ' > U __libc_start_main@@GLIBC_2.2.5 > U malloc@@GLIBC_2.2.5 > U memcpy@@GLIBC_2.2.5 > U printf@@GLIBC_2.2.5 They're "undefined" in your binary because your binary does not define them. It references them, and some other library you're linked against provides them. - ajax -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
