Is there something in the Python build log (logs/pkgs/python2-2.7.13.p1.log) that would explain the issue with semaphores?
On Thursday, May 11, 2017 at 7:50:33 PM UTC+2, Kamil Pliszka wrote: > > Hi, > I have problem when compiling sage7.6: > > ... > [sagelib-7.6] building 'sage.tests.stl_vector' extension > [sagelib-7.6] building 'sage.tests.cython' extension > [sagelib-7.6] Executing 454 commands (using 1 thread) > [sagelib-7.6] > ************************************************************************ > [sagelib-7.6] Traceback (most recent call last): > [sagelib-7.6] File "setup.py", line 768, in <module> > [sagelib-7.6] ext_modules = ext_modules) > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/distutils/core.py", line 151, in > setup > [sagelib-7.6] dist.run_commands() > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/distutils/dist.py", line 953, in > run_commands > [sagelib-7.6] self.run_command(cmd) > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/distutils/dist.py", line 972, in > run_command > [sagelib-7.6] cmd_obj.run() > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/distutils/command/build.py", line > 127, in run > [sagelib-7.6] self.run_command(cmd_name) > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/distutils/cmd.py", line 326, in > run_command > [sagelib-7.6] self.distribution.run_command(command) > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/distutils/dist.py", line 972, in > run_command > [sagelib-7.6] cmd_obj.run() > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/distutils/command/build_ext.py", > line 340, in run > [sagelib-7.6] self.build_extensions() > [sagelib-7.6] File "setup.py", line 514, in build_extensions > [sagelib-7.6] execute_list_of_commands(compile_commands) > [sagelib-7.6] File "setup.py", line 316, in execute_list_of_commands > [sagelib-7.6] execute_list_of_commands_in_parallel(command_list, > nthreads) > [sagelib-7.6] File "setup.py", line 263, in > execute_list_of_commands_in_parallel > [sagelib-7.6] pool = Pool(nthreads) > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/multiprocessing/__init__.py", > line 232, in Pool > [sagelib-7.6] return Pool(processes, initializer, initargs, > maxtasksperchild) > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/multiprocessing/pool.py", line > 138, in __init__ > [sagelib-7.6] self._setup_queues() > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/multiprocessing/pool.py", line > 233, in _setup_queues > [sagelib-7.6] from .queues import SimpleQueue > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/multiprocessing/queues.py", line > 48, in <module> > [sagelib-7.6] from .synchronize import Lock, BoundedSemaphore, > Semaphore, Condition > [sagelib-7.6] File > "/usr/local/src/sage-7.6/local/lib/python/multiprocessing/synchronize.py", > line 59, in <module> > [sagelib-7.6] " function, see issue 3770.") > [sagelib-7.6] ImportError: This platform lacks a functioning sem_open > implementation, therefore, the required synchronization primitives needed > will not function, see issue 3770. > [sagelib-7.6] > ************************************************************************ > [sagelib-7.6] Error building the Sage library > [sagelib-7.6] > ************************************************************************ > [sagelib-7.6] Please email sage-devel ( > http://groups.google.com/group/sage-devel) > [sagelib-7.6] explaining the problem and including the relevant part of > the log file > [sagelib-7.6] /usr/local/src/sage-7.6/logs/pkgs/sagelib-7.6.log > [sagelib-7.6] Describe your computer, operating system, etc. > [sagelib-7.6] > ************************************************************************ > [sagelib-7.6] make[3]: *** [Makefile:34: sage] Error 1 > [sagelib-7.6] make[3]: Leaving directory '/usr/local/src/sage-7.6/src' > [sagelib-7.6] > [sagelib-7.6] real 0m2.641s > [sagelib-7.6] user 0m2.474s > [sagelib-7.6] sys 0m0.150s > make[2]: *** [Makefile:1040: sagelib] Error 2 > make[2]: Leaving directory '/usr/local/src/sage-7.6/build/make' > make[1]: *** [Makefile:912: all] Error 2 > make[1]: Leaving directory '/usr/local/src/sage-7.6/build/make' > > real 0m3.087s > user 0m2.863s > sys 0m0.192s > *************************************************************** > Error building Sage. > > The following package(s) may have failed to build (not necessarily > during this run of 'make all'): > > * package: sagelib-7.6 > log file: /usr/local/src/sage-7.6/logs/pkgs/sagelib-7.6.log > build directory: > /usr/local/src/sage-7.6/local/var/tmp/sage/build/sagelib-7.6 > > The build directory may contain configuration files and other potentially > helpful information. WARNING: if you now run 'make' again, the build > directory will, by default, be deleted. Set the environment variable > SAGE_KEEP_BUILT_SPKGS to 'yes' to prevent this. > ----- > > > seems my semaphores works ok > (read https://groups.google.com/forum/#!topic/sage-devel/uPqvQQ9GzNE) > > bash-4.4$ mount | grep shm > tmpfs on /run/shm type tmpfs (rw,nosuid,nodev) > > bash-4.4$ cat sem.c > > > #include <unistd.h> > > > #include <fcntl.h> > > > #include <stdio.h> > > > #include <semaphore.h> > > > #include <sys/stat.h> > > > > > > //bash-4.4$ gcc sem.c -lpthread -o sem > > > > > > int main(void) { > > > sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0); > > > if (a == SEM_FAILED) { > > > perror("sem_open"); > > > return 1; > > > } > > > printf("All OK!"); > > > sem_close(a); > sem_unlink("/autoconf"); > return 0; > } > > bash-4.4$ ./sem > All OK! > > bash-4.4$ uname -a > Linux xxx 4.9.26 #2 SMP Thu May 4 03:46:26 CDT 2017 x86_64 Intel(R) > Core(TM) i5-3570K CPU @ 3.40GHz GenuineIntel GNU/Linux > > distro: slackware 14.2 (current) > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. 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