Ceph

From Lazslo:

Hi List,

Being the Debian packager of Ceph, I ask for help about building 0.24.3
on armel. It fails with:
g++ -DHAVE_CONFIG_H -I. -Wall -D__CEPH__ -D_FILE_OFFSET_BITS=64
-D_REENTRANT -D_THREAD_SAFE -rdynamic -g -O2 -MT AuthAuthorizeHandler.o
-MD -MP -MF .deps/AuthAuthorizeHandler.Tpo -c -o AuthAuthorizeHandler.o
`test -f 'auth/AuthAuthorizeHandler.cc' || echo
'./'`auth/AuthAuthorizeHandler.cc
In file included from ./include/buffer.h:55,
from ./include/encoding.h:20,
from ./include/object.h:29,
from ./include/types.h:64,
from auth/Crypto.h:17,
from auth/Auth.h:18,
from auth/AuthAuthorizeHandler.cc:1:
./include/atomic.h: In member function 'void ceph::atomic_t::inc()':
./include/atomic.h:33: error: 'AO_fetch_and_add1' was not declared in this scope
./include/atomic.h: In member function 'size_t ceph::atomic_t::dec()':
./include/atomic.h:36: error: 'AO_fetch_and_sub1_write' was not declared in this scope
./include/atomic.h: In member function 'void ceph::atomic_t::add(size_t)':
./include/atomic.h:39: error: 'AO_fetch_and_add' was not declared in this scope
./include/atomic.h: In member function 'void ceph::atomic_t::sub(int)':
./include/atomic.h:43: error: 'AO_fetch_and_add_write' was not declared in this scope
make[3]: *** [AuthAuthorizeHandler.o] Error 1

This is very similar to a bug last September, due to an issue with how atomic-ops cascades its function definitions:
https://bugs.launchpad.net/ubuntu/+source/ceph/+bug/635388
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=597193

I've looked at this briefly already and don't see anything obvious, but need to look at it more deeply!