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Groups > comp.lang.c++ > #10041
| From | Nobody <nobody@nowhere.com> |
|---|---|
| Subject | Re: Generally, are the programs written by C++ slower than written by C 10% ? |
| Date | 2011-09-11 04:53 +0100 |
| Message-Id | <pan.2011.09.11.03.53.07.601000@nowhere.com> |
| Newsgroups | comp.lang.c++ |
| References | (14 earlier) <j4e077$27r$1@news.albasani.net> <5e21ff07-2422-4f03-a68e-537a269a5ae5@j18g2000prg.googlegroups.com> <j4g5oo$mae$1@news.albasani.net> <a5bc5b64-82a8-49ba-b01e-49a89a0348b3@b9g2000prd.googlegroups.com> <j4gkq9$o32$1@news.albasani.net> |
| Organization | Zen Internet |
On Sat, 10 Sep 2011 14:28:45 -0700, BGB wrote: > but, for whatever reason, on Linux with shared-objects, one seems to > have to link against *every* dependency when linking the final binary, > otherwise apparently "ld.so" or similar will throw a fit that it > couldn't find a bunch of functions when trying to load the program. This shouldn't happen for correctly-built shared libraries (i.e. those which have dependency information). OTOH, static libraries don't have dependency information, so you need to include indirect dependencies if you want to be able to build statically-linked binaries for whatever reason. > why?... who knows, it just seems to work this way, unless there is a bug > somewhere?... (but, all of the other programs work, so this is likely > the intended design). for all I know it could also have something to do > with "-Wl,-rpath,..." as well (needed as I tend not to install my apps > into "/usr/bin" and "/usr/lib64" or similar, which is generally assumed > by the OS, rather than, say, Windows, which will check the current > directory followed by everything in the PATH variable). The loader needs to be able to find the libraries. Apart from any directories embedded in the binary via -rpath, it uses /etc/ld.so.cache (generated by ldconfig based upon the contents of /etc/ld.so.conf) and the LD_LIBRARY_PATH environment variable. If you use non-standard locations, you may need to add those to /etc/ld.so.conf. You also need to run ldconfig when adding new libraries. But this is unrelated to whether you add -l switches for indirect dependencies. > granted, I guess most people seem to use autoconf on Linux, which seems > to do this by itself (but I never really liked autoconf personally, and > it tends not really to work well on Windows anyways...). autoconf is okay at what it does, but I draw the line there. I won't use automake or libtool, as those tend to render the entire build process unintelligible to anyone who isn't an automake/libtool guru. I expect Makefiles to be human-readable.
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Generally, are the programs written by C++ slower than written by C 10% ? KaiWen <wenkai1987@gmail.com> - 2011-09-01 01:41 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-01 21:15 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? "Fred Zwarts \(KVI\)" <F.Zwarts@KVI.nl> - 2011-09-01 11:48 +0200
Re: Generally, are the programs written by C++ slower than written by C 10% ? Joshua Maurice <joshuamaurice@gmail.com> - 2011-09-01 15:34 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? KaiWen <wenkai1987@gmail.com> - 2011-09-01 19:09 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-02 14:39 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? Krice <paulkp@mbnet.fi> - 2011-09-01 22:33 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Paavo Helde <myfirstname@osa.pri.ee> - 2011-09-02 01:12 -0500
Re: Generally, are the programs written by C++ slower than written by C 10% ? James Kanze <james.kanze@gmail.com> - 2011-09-03 15:25 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Paavo Helde <myfirstname@osa.pri.ee> - 2011-09-04 01:34 -0500
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-04 02:33 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? James Kanze <james.kanze@gmail.com> - 2011-09-04 11:00 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Goran <goran.pusic@gmail.com> - 2011-09-01 23:23 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-02 03:00 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Goran <goran.pusic@gmail.com> - 2011-09-02 09:39 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Rui Maciel <rui.maciel@gmail.com> - 2011-09-02 12:44 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? Rui Maciel <rui.maciel@gmail.com> - 2011-09-02 09:59 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-02 11:25 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Juha Nieminen <nospam@thanks.invalid> - 2011-09-03 05:51 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-03 01:45 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-03 20:53 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-03 10:49 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-04 08:15 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-03 17:50 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Juha Nieminen <nospam@thanks.invalid> - 2011-09-03 16:28 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-03 10:42 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? "Bo Persson" <bop@gmb.dk> - 2011-09-04 11:34 +0200
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-04 09:04 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Juha Nieminen <nospam@thanks.invalid> - 2011-09-04 18:04 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? Keith H Duggar <duggar@alum.mit.edu> - 2011-09-04 18:44 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-04 23:26 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Juha Nieminen <nospam@thanks.invalid> - 2011-09-05 08:01 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-05 11:45 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Juha Nieminen <nospam@thanks.invalid> - 2011-09-06 06:30 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-06 07:22 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Miles Bader <miles@gnu.org> - 2011-09-06 16:25 +0900
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-06 07:14 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Miles Bader <miles@gnu.org> - 2011-09-07 12:28 +0900
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-07 16:49 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Noah Roberts <roberts.noah@gmail.com> - 2011-09-07 18:45 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-08 15:56 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? James Kanze <james.kanze@gmail.com> - 2011-09-03 15:32 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-03 19:16 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-05 00:28 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-05 12:34 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-06 07:51 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-05 14:06 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-06 00:32 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-06 07:33 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-07 02:52 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-08 16:24 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-09 11:38 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-08 21:39 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-09 19:01 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-09 02:45 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-09 03:23 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-09-14 23:12 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-09 02:40 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-09 11:19 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Paavo Helde <myfirstname@osa.pri.ee> - 2011-09-09 15:42 -0500
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-09 14:24 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Noah Roberts <roberts.noah@gmail.com> - 2011-09-09 18:22 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-10 10:11 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Noah Roberts <roberts.noah@gmail.com> - 2011-09-10 10:54 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-10 14:28 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Miles Bader <miles@gnu.org> - 2011-09-11 12:29 +0900
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-11 00:45 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Joshua Maurice <joshuamaurice@gmail.com> - 2011-09-12 00:39 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Miles Bader <miles@gnu.org> - 2011-09-12 18:06 +0900
Re: Generally, are the programs written by C++ slower than written by C 10% ? Joshua Maurice <joshuamaurice@gmail.com> - 2011-09-12 16:46 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Miles Bader <miles@gnu.org> - 2011-09-13 10:20 +0900
Re: Generally, are the programs written by C++ slower than written by C 10% ? Joshua Maurice <joshuamaurice@gmail.com> - 2011-09-13 13:16 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nobody <nobody@nowhere.com> - 2011-09-11 04:53 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? Miles Bader <miles@gnu.org> - 2011-09-11 14:51 +0900
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-10 07:46 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? KaiWen <wenkai1987@gmail.com> - 2011-09-06 03:10 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-06 22:50 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? KaiWen <wenkai1987@gmail.com> - 2011-09-06 04:48 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? yatremblay@bel1lin202.(none) (Yannick Tremblay) - 2011-09-07 09:45 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-07 21:51 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? KaiWen <wenkai1987@gmail.com> - 2011-09-08 00:15 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? yatremblay@bel1lin202.(none) (Yannick Tremblay) - 2011-09-08 12:14 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? KaiWen <wenkai1987@gmail.com> - 2011-09-08 07:14 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Asger-P <junk@asger-p.dk> - 2011-09-06 13:52 +0200
Re: Generally, are the programs written by C++ slower than written by C 10% ? Paavo Helde <myfirstname@osa.pri.ee> - 2011-09-06 11:47 -0500
Re: Generally, are the programs written by C++ slower than written by C 10% ? Paavo Helde <myfirstname@osa.pri.ee> - 2011-09-06 11:50 -0500
Re: Generally, are the programs written by C++ slower than written by C 10% ? Asger-P <junk@asger-p.dk> - 2011-09-06 21:04 +0200
Re: Generally, are the programs written by C++ slower than written by C 10% ? Leigh Johnston <leigh@i42.co.uk> - 2011-09-06 20:37 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? Paavo Helde <myfirstname@osa.pri.ee> - 2011-09-06 15:10 -0500
Re: Generally, are the programs written by C++ slower than written by C 10% ? Leigh Johnston <leigh@i42.co.uk> - 2011-09-06 21:14 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? Asger-P <junk@asger-p.dk> - 2011-09-07 00:40 +0200
Re: Generally, are the programs written by C++ slower than written by C 10% ? Leigh Johnston <leigh@i42.co.uk> - 2011-09-06 23:59 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? Noah Roberts <roberts.noah@gmail.com> - 2011-09-06 16:26 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Paavo Helde <myfirstname@osa.pri.ee> - 2011-09-06 14:55 -0500
Re: Generally, are the programs written by C++ slower than written by C 10% ? Asger-P <junk@asger-p.dk> - 2011-09-07 00:51 +0200
Re: Generally, are the programs written by C++ slower than written by C 10% ? Paavo Helde <myfirstname@osa.pri.ee> - 2011-09-06 23:29 -0500
Re: Generally, are the programs written by C++ slower than written by C 10% ? Asger-P <junk@asger-p.dk> - 2011-09-07 09:06 +0200
Re: Generally, are the programs written by C++ slower than written by C 10% ? Ian Collins <ian-news@hotmail.com> - 2011-09-07 19:09 +1200
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nobody <nobody@nowhere.com> - 2011-09-07 13:19 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? Juha Nieminen <nospam@thanks.invalid> - 2011-09-07 13:01 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? Rui Maciel <rui.maciel@gmail.com> - 2011-09-07 14:26 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? Asger-P <junk@asger-p.dk> - 2011-09-07 15:49 +0200
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-08 22:49 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Miles Bader <miles@gnu.org> - 2011-09-09 15:25 +0900
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-09 02:50 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-09 03:26 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-09 03:25 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2011-09-06 00:24 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? yatremblay@bel1lin202.(none) (Yannick Tremblay) - 2011-09-06 13:57 +0000
Re: Generally, are the programs written by C++ slower than written by C 10% ? BGB <cr88192@hotmail.com> - 2011-09-06 08:18 -0700
Re: Generally, are the programs written by C++ slower than written by C 10% ? Nobody <nobody@nowhere.com> - 2011-09-03 08:34 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? "A" <a@a.a> - 2011-09-01 11:50 +0200
Re: Generally, are the programs written by C++ slower than written by C 10% ? Rui Maciel <rui.maciel@gmail.com> - 2011-09-01 10:53 +0100
Re: Generally, are the programs written by C++ slower than written by C 10% ? James Kanze <james.kanze@gmail.com> - 2011-09-03 15:11 -0700
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