#8440: Removal of pyprocessing causing problems as _multiprocessing not building
on Solaris
------------------------+---------------------------------------------------
Reporter: drkirkby | Owner: drkirkby
Type: defect | Status: new
Priority: major | Milestone: sage-4.3.4
Component: solaris | Keywords:
Author: | Upstream: Fixed upstream, but not in a stable
release.
Reviewer: | Merged:
Work_issues: |
------------------------+---------------------------------------------------
Since #6503 removed pyprocessing from Sage, multiprocessing (or perhaps
_multiprocessing) is needed, but this is not building on Solaris 10 SPARC.
{{{
gcc -fPIC -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-
prototypes -DHAVE_SEM_OPEN=1 -DHAVE_FD_TRANSFER=1 -DHAVE_SEM_TIMEDWAIT=1
-IModules/_multiprocessing -I. -I/export
/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/./Include
-I. -IInclude -I./Include
-I/export/home/drkirkby/32/sage-4.3.4.alpha0/local/include
-I/usr/local/include
-I/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Include
-I/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src
-c /export/home/drkirkb
y/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c
-o
build/temp.solaris-2.10-sun4u-2.6/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/bu
ild/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.o
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:
In function 'multiprocessing_sendfd':
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:100:
warning: implicit declaration of function 'CMSG_SPACE'
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:110:
error: 'struct msghdr' has no member named 'msg_control'
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:111:
error: 'struct msghdr' has no member named 'msg_controllen'
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:114:
warning: implicit declaration of function 'CMSG_FIRSTHDR'
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:114:
warning: assignment makes pointer from integer without a cast
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:117:
warning: implicit declaration of function 'CMSG_LEN'
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:118:
error: 'struct msghdr' has no member named 'msg_controllen'
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:119:
warning: implicit declaration of function 'CMSG_DATA'
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:
In function 'multiprocessing_recvfd':
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:145:
error: 'struct msghdr' has no member named 'msg_control'
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:146:
error: 'struct msghdr' has no member named 'msg_controllen'
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:149:
warning: assignment makes pointer from integer without a cast
/export/home/drkirkby/32/sage-4.3.4.alpha0/spkg/build/python-2.6.4.p7/src/Modules/_multiprocessing/multiprocessing.c:153:
error: 'struct msghdr' has no member named 'msg_controllen'
}}}
Further down the log, the fact the _multiprocessing module has failed to
build is clearly stated:
{{{
Failed to find the necessary bits to build these modules:
_bsddb _hashlib _ssl
_tkinter bsddb185 gdbm
linuxaudiodev ossaudiodev
To find the necessary bits, look in setup.py in detect_modules() for the
module's name.
Failed to build these modules:
_curses _curses_panel _multiprocessing
}}}
There is potentially a solution available here.
http://bugs.python.org/issue3110
However, it appears there was a typo there, so that had to be changed.
http://svn.python.org/view?view=rev&revision=73767
The latest header is at:
http://svn.python.org/view/python/trunk/Modules/_multiprocessing/multiprocessing.h
Whether this will fix the issue is unknown, but it looks at least related.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8440>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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