Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.001 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'python,': 0.02; 'broken': 0.04; 'subject:Python': 0.06; 'binary': 0.07; 'matches': 0.07; 'appropriate.': 0.09; 'executable': 0.09; 'subject:using': 0.09; 'subject:version': 0.09; 'used.': 0.09; 'python': 0.11; 'itself,': 0.16; 'outdated': 0.16; 'reedy': 0.16; 'symbols': 0.16; 'sat,': 0.16; 'wrote:': 0.18; 'module': 0.19; 'written': 0.21; 'saying': 0.22; 'shell': 0.22; 'script.': 0.24; 'versions': 0.24; 'compiled': 0.26; 'this:': 0.26; 'header:In-Reply-To:1': 0.27; 'function': 0.29; 'appear': 0.29; 'am,': 0.29; 'patch': 0.29; 'thus': 0.29; 'wonder': 0.29; 'message-id:@mail.gmail.com': 0.30; 'easier': 0.31; 'ctypes': 0.31; 'table,': 0.31; 'probably': 0.32; 'compatible': 0.32; 'another': 0.32; 'comment': 0.34; 'knowledge': 0.35; 'done.': 0.35; 'received:google.com': 0.35; 'add': 0.35; 'really': 0.36; 'done': 0.36; 'subject:?': 0.36; 'should': 0.36; 'christian': 0.38; 'expected': 0.38; 'to:addr:python-list': 0.38; '12,': 0.39; 'to:addr:python.org': 0.39; 'how': 0.40; 'even': 0.60; 'such': 0.63; 'become': 0.64; 'different': 0.65; 'opens': 0.91; '2013': 0.98 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=UCwRd6OHKWblOjXAFln8XnNkCIX4OpRwFGIQ25BIMAU=; b=laNXjAlU52uTBrbYcPLuQMnn4GIAsozy0mfNFf3owtY/b+XYc4Dn4JTMypGmjJK4Dc hMc77/WtdWnSpj5T2r0iip5o+Vjl4+fdrB7PRRBzFU4xHNkQJ0+QmsBy+xlOEpeJsgex s4IuPOEejO/r/dpfwhmdlXUZ4lMHmDcuveomzlRE9Xxv2auT263UjhDRitMyMZpI4Vl1 clsPLQXTl51mIUEHOggedkhO7f1r2+NwhnxaiiasSj1m+K3E1fPUesYwx80IRycRSZJH wWdVmDEBHJUxZatpczhtgRK6JJaRdCmgR6niFhqrKqMyGbau0xhrYsZy8zQKNxF26d/q 9pKw== X-Received: by 10.66.119.136 with SMTP id ku8mr27071700pab.121.1381578242623; Sat, 12 Oct 2013 04:44:02 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: Ian Kelly Date: Sat, 12 Oct 2013 05:43:22 -0600 Subject: Re: What version of glibc is Python using? To: Python Content-Type: text/plain; charset=ISO-8859-1 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 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: 25 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1381578252 news.xs4all.nl 15906 [2001:888:2000:d::a6]:45977 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:56742 On Sat, Oct 12, 2013 at 2:46 AM, Terry Reedy wrote: > On 10/12/2013 3:53 AM, Christian Gollwitzer wrote: >> >> That function is really bogus. It states itself, that it has "intimate >> knowledge of how different libc versions add symbols to the executable >> and thus is probably only useable for executables compiled using gcc" >> which is just another way of saying "it'll become outdated and broken >> soon". It's not even done by reading the symbol table, it opens the >> binary and matches a RE *shocked* I would have expected such hacks in a >> shell script. >> >> glibc has a function for this: >> >> gnu_get_libc_version () >> >> which should be used. > > > So *please* submit a patch with explanation. Easier said than done. The module is currently written in pure Python, and the comment "Note: Please keep this module compatible to Python 1.5.2" would appear to rule out the use of ctypes to call the glibc function. I wonder though whether that comment is really still appropriate.