undefined reference to SYS_cpuset

[Jeremy Chadwick]

On Mon, Jul 28, 2008 at 01:13:53AM -0700, Unga wrote:
> Hi all
> 
> Today (28th July) I upgraded the FreeBSD sources (/usr/src) using cvsup and when try to compile a test C program I get following:
> 
> echo 'main(){}' > dummy.c
> cc dummy.c -v -Wl,--verbose
> 
> /usr/lib/libc.so: undefined reference to `SYS_cpuset_getaffinity'
> /usr/lib/libc.so: undefined reference to `SYS_cpuset'
> /usr/lib/libc.so: undefined reference to `SYS_cpuset_setaffinity'
> /usr/lib/libc.so: undefined reference to `SYS_cpuset_getid'
> /usr/lib/libc.so: undefined reference to `SYS_cpuset_setid'
> /usr/lib/libc.so: undefined reference to `SYS_setfib'
> collect2: ld returned 1 exit status
> 
> I can see in logs following programs compiled without any error:
> cpuset_getaffinity.S
> cpuset.S
> cpuset_setaffinity.S
> cpuset_getid.S
> cpuset_setid.S
> setfib.S
> 
> What's gone wrong now? Am I in the middle of a FreeBSD update? or have I made some mistake? or multiple routing tables update on 20080724 broken something? Any ideas? 

These were recent changes (past 24 hours or so), which stem from the
addition of framework + utilities to allow FreeBSD to bind a process to
a specific CPU (via userland utility).

See the most recent commit message (it applies to more than just this
file, however):

http://www.freebsd.org/cgi/cvsweb.cgi/src/usr.bin/cpuset/cpuset.c

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |