Em 23 de abril de 2012 16:54, mmarco <mma...@unizar.es> escreveu: > Ok, switching to a newer version of ubuntu solved the eclib problem. > Now i have another one. Building the sage package i get this error > message: > > Building modified file sage/ext/interpreters/wrapper_el.pyx. > Executing 296 commands (using 4 threads) > Traceback (most recent call last): > File "setup.py", line 830, in <module> > execute_list_of_commands(queue) > File "setup.py", line 287, in execute_list_of_commands > execute_list_of_commands_in_parallel(command_list, nthreads) > File "setup.py", line 238, in execute_list_of_commands_in_parallel > p = Pool(nthreads) > File "/sage/sage-4.8/local/lib/python/multiprocessing/__init__.py", > line 227, in Pool > return Pool(processes, initializer, initargs) > File "/sage/sage-4.8/local/lib/python/multiprocessing/pool.py", line > 84, in __init__ > self._setup_queues() > File "/sage/sage-4.8/local/lib/python/multiprocessing/pool.py", line > 131, in _setup_queues > self._inqueue = SimpleQueue() > File "/sage/sage-4.8/local/lib/python/multiprocessing/queues.py", > line 328, in __init__ > self._rlock = Lock() > File "/sage/sage-4.8/local/lib/python/multiprocessing/ > synchronize.py", line 117, in __init__ > SemLock.__init__(self, SEMAPHORE, 1, 1) > File "/sage/sage-4.8/local/lib/python/multiprocessing/ > synchronize.py", line 49, in __init__ > sl = self._semlock = _multiprocessing.SemLock(kind, value, > maxvalue) > OSError: [Errno 38] Function not implemented > sage: There was an error installing modified sage library code. > > > It seems that some os function that sage uses is not provided by the > android kernel. Maybe this means that there is no hope for sage runing > over android in a chroot?
I did not look very closely at a related issue in chroot'ed builds in x86, but it should be possible to make python multiprocessing use some other approach like pipes in these conditions. What I did to get sage to build in the Mandriva build system was to "backport" the previous logic for a single process build: http://svn.mandriva.com/cgi-bin/viewvc.cgi/packages/cooker/sagemath/current/SOURCES/sage-4.8-build.patch?r1=767969&r2=767968&pathrev=767969 > -- > To post to this group, send an email to sage-devel@googlegroups.com > To unsubscribe from this group, send an email to > sage-devel+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/sage-devel > URL: http://www.sagemath.org Paulo -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
