Path: csiph.com!usenet.pasdenom.info!news.redatomik.org!newsfeed.xs4all.nl!newsfeed7.news.xs4all.nl!nzpost1.xs4all.net!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.000 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'compiler': 0.05; 'memory.': 0.05; 'bug.': 0.07; 'linker': 0.07; 'x86': 0.07; '22,': 0.09; 'broken.': 0.09; 'chunks': 0.09; 'closed.': 0.09; 'extension.': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'python': 0.10; '<>.': 0.11; 'jan': 0.11; 'subject:python': 0.14; 'encoding': 0.15; '4gb': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'reedy': 0.16; 'setup.py.': 0.16; 'something.': 0.16; 'subject:windows': 0.16; 'timed': 0.16; 'wrote:': 0.16; 'pointer': 0.18; 'skip:` 20': 0.18; '>>>': 0.20; 'changes': 0.20; '2015': 0.20; 'cc:2**0': 0.20; 'extension': 0.20; 'issue.': 0.20; 'arrays': 0.22; 'disable': 0.22; 'subject:problem': 0.22; 'suppose': 0.22; 'trying': 0.22; 'cc:no real name:2**0': 0.22; 'am,': 0.23; 'minutes.': 0.23; 'tables': 0.23; 'cc:addr:gmail.com': 0.24; 'header:In-Reply-To:1': 0.24; 'url:bugs': 0.24; 'header:User-Agent:1': 0.26; 'header:X -Complaints-To:1': 0.26; 'points': 0.27; 'that.': 0.30; 'code': 0.30; 'certainly': 0.30; 'seconds': 0.31; 'core': 0.32; 'run': 0.33; 'url:python': 0.33; 'builds': 0.33; 'add': 0.34; 'i.e.': 0.35; 'something': 0.35; 'but': 0.36; 'should': 0.36; 'url:org': 0.36; 'to:addr:python-list': 0.36; 'subject:: ': 0.37; 'thanks': 0.37; 'received:org': 0.37; 'stuff': 0.38; 'test': 0.39; "didn't": 0.39; 'takes': 0.39; 'build': 0.40; 'to:addr:python.org': 0.40; 'email addr:gmail.com': 0.62; 'minutes': 0.64; '>>>>>': 0.66; 'forward': 0.66; 'hour': 0.69; 'received:109': 0.75; '3.4': 0.84; 'around,': 0.84; 'becker': 0.84; 'desperately': 0.84; 'utc-7,': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Robin Becker Subject: Re: problem building python 3.5 extensions for windows Date: Wed, 23 Sep 2015 11:20:06 +0100 References: <55FFFE50.8090703@chamonix.reportlab.co.uk> <7f633007-1391-4172-a022-262899537981@googlegroups.com> <56012A0C.5040805@chamonix.reportlab.co.uk> <56015904.8050608@chamonix.reportlab.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: cjgohlke@gmail.com X-Gmane-NNTP-Posting-Host: 109.174.168.73 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 In-Reply-To: X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 47 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1443003624 news.xs4all.nl 23798 [2001:888:2000:d::a6]:39222 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:97033 On 22/09/2015 22:37, cjgohlke@gmail.com wrote: > On Tuesday, September 22, 2015 at 1:49:16 PM UTC-7, Terry Reedy wrote: >> On 9/22/2015 9:35 AM, Robin Becker wrote: >>> On 22/09/2015 11:14, Robin Becker wrote: >>>> On 22/09/2015 01:36, CG wrote: >>> .........t >>>>> . >>>>> >>>> Thanks for the pointer Christoph. >>>> >>>> I certainly didn't let it run for 30 minutes. When I build with 2.7, >>>> 3.3 or 3.4 >>>> the whole build including reportlab stuff is over in a couple of >>>> minutes. I will >>>> try again, but a linker that takes 30 minutes to create an extension >>>> that ends >>>> up 204Kb long has to be seriously broken. Is it trying to hard? Most >>>> of the code >>>> size is in arrays for code points etc etc. >>> >>> I timed my builds of pyRXPU for x86 + amd64; these are on a core i5-3470 >>> @ 3.20Ghz with 4Gb memory. >>> >>> python 3.4 1 minute 14 seconds >>> python 3.5 52 minutes 50 seconds >>> >>> so with VS2015 it will now take me an hour to make and test any changes >>> to this extension. I don't see how the issue can be considered closed. >>> VS2015 is clearly not the way forward for any reasonable development >>> process. >> >> I think you should add the above to the issue. >> >> -- >> Terry Jan Reedy > > It's a compiler bug. To work around, disable compiler optimizations, i.e. set `extra_compile_args=['/Od']` in setup.py. > > -- > Christoph > Thanks Christoph, I guessed it must be something like that. I suppose it's trying desperately to place small chunks of encoding tables or something. -- Robin Becker