Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
| From | David Brown <david.brown@hesbynett.no> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Why I use gcc |
| Date | 2016-09-28 08:55 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <nsfph8$leb$2@dont-email.me> (permalink) |
| References | (6 earlier) <lnintitbuw.fsf@kst-u.example.com> <nscfll$6pb$1@dont-email.me> <87eg45d3tu.fsf@bsb.me.uk> <nsdj9f$soi$1@dont-email.me> <kfnbmz9c7lt.fsf@x-alumni2.alumni.caltech.edu> |
On 28/09/16 00:15, Tim Rentsch wrote: > BartC <bc@freeuk.com> writes: > >> On 27/09/2016 11:39, Ben Bacarisse wrote: >>> BartC <bc@freeuk.com> writes: >>>> On 27/09/2016 01:39, Keith Thompson wrote: >>>>> BartC <bc@freeuk.com> writes: >>>>> >>>>>> #elif defined __GNUC__ >>>>>> #error "THIS IS GCC" >>>>>> >>>>>> #elif defined __TINYC__ >>>>>> #error "THIS IS TCC" >>>>>> >>>>>> #elif defined __clang__ >>>>>> #error "THIS IS CLANG" >>>>>> >>>>>> #endif >>>>> >>>>> Clang defines both __clang__ and __GNUC__ (presumably because it >>>>> endeavors to be gcc-compatible), so you should test __clang__ first. >>>> >>>> When I compile the above with clang, I get the CLANG message not the >>>> gcc one. >>> >>> I get (as expected) the GCC message, but then I think there is something >>> odd about your clang installation. I think you reported trouble >>> installing it. Or maybe it's a clang under Windows thing. >> >> I get "GCC" when compiling the code on Linux with clang. >> >> I get "CLANG" on Windows with clang. >> >> But the new clang for Windows seems to be designed to work with MSVC, >> so it might be odd if it set __GNUC__! (I have told it to use gcc >> include files, but __GNUC__ must be set elsewhere.) >> >> So perhaps the clang test does need to be done before the gcc test, if >> I'm going to use an exclusive set of tests like the above. > > It might be a good idea to start off cascades like this with a > sanity check, eg, > > #if 0 \ > + defined __LCC__ \ > + defined __POCC__ \ > + defined __DMC__ \ > + defined __GNUC__ \ > + defined __TINYC__ \ > + defined __clang__ \ > > 1 > > /* .. special case handling here .. */ > > #elif ... > > to be sure the environment isn't pathological in some way > (especially one that was not anticipated). > Has that any advantages over: #if defined __LCC__ // Macros for LCC #elif defined __POCC__ // Macros for POCC ... #else // Default macros // or #error This compiler is not supported! #endif I can't see where the sanity check here helps - do some compilers have trouble implementing #elif properly?
Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 14:31 +0100
Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-26 15:45 +0200
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 15:22 +0100
Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-26 16:31 +0200
Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-27 15:05 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-28 00:42 +0100
Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-28 09:50 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-28 18:39 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 12:28 +0100
Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-07 04:36 -0700
Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 05:31 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 14:00 +0100
Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 07:48 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 17:36 +0100
Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 10:38 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 19:47 +0100
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-07 12:25 -0700
Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 12:26 -0700
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-07 13:10 -0700
Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 13:22 -0700
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-07 14:13 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 01:15 +0100
Re: Why I use gcc James Harris <james.harris.1@gmail.com> - 2016-10-08 10:42 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 11:36 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 14:25 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 15:05 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 16:29 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 17:21 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 16:39 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 16:58 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 21:15 +0100
Re: Why I use gcc supercat@casperkitty.com - 2016-10-08 11:27 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 20:09 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-08 21:16 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 21:28 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-09 01:19 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 01:36 +0100
Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-08 09:32 -0700
Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-10-09 03:44 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 12:07 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-09 12:12 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 12:37 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-09 13:57 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 14:32 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-10-09 20:00 +0100
Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-09 13:14 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-09 22:54 +0100
Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-10-15 14:40 -0700
Re: Why I use gcc James Kuyper <jameskuyper@verizon.net> - 2016-10-07 10:37 -0400
Re: Why I use gcc supercat@casperkitty.com - 2016-10-07 07:52 -0700
Re: Why I use gcc jameskuyper@verizon.net - 2016-10-07 09:10 -0700
Re: Why I use gcc supercat@casperkitty.com - 2016-10-07 10:48 -0700
Re: Why I use gcc jameskuyper@verizon.net - 2016-10-07 16:21 -0700
Re: Why I use gcc supercat@casperkitty.com - 2016-10-08 11:15 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-07 17:12 +0100
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-07 12:20 -0700
Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-07 12:32 -0700
Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-26 14:45 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 15:12 +0100
Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-26 15:26 +0100
Re: Why I use gcc supercat@casperkitty.com - 2016-09-26 08:00 -0700
Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-28 10:49 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 17:30 +0100
Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-26 21:12 +0200
Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-26 22:09 +0200
Re: Why I use gcc supercat@casperkitty.com - 2016-09-26 13:32 -0700
Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-26 23:14 +0200
Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-26 22:47 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 01:13 +0100
Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-27 01:18 +0100
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-26 17:41 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 02:01 +0100
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-27 08:41 -0700
Re: Why I use gcc James Harris <james.harris.1@gmail.com> - 2016-09-27 01:41 +0100
Re: Why I use gcc jameskuyper@verizon.net - 2016-09-26 18:15 -0700
Re: Why I use gcc Gareth Owen <gwowen@gmail.com> - 2016-09-27 20:59 +0100
Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-27 21:50 +0100
Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-28 06:26 -0700
Re: Why I use gcc gazelle@shell.xmission.com (Kenny McCormack) - 2016-09-27 23:23 +0000
Re: Why I use gcc Noob <root@127.0.0.1> - 2016-10-08 00:12 +0200
Re: Why I use gcc James Kuyper <jameskuyper@verizon.net> - 2016-10-07 23:11 -0400
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-08 10:58 +0100
Re: Why I use gcc jameskuyper@verizon.net - 2016-10-08 07:07 -0700
Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-07 21:44 -0700
Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-27 09:48 +0200
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 11:22 +0100
Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-27 13:52 +0200
Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-27 14:47 +0200
Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-27 15:18 +0200
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 14:38 +0100
Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-27 17:21 +0200
Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-27 17:17 +0200
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-27 08:52 -0700
Re: Why I use gcc Robert Wessel <robertwessel2@yahoo.com> - 2016-09-30 02:00 -0500
Re: Why I use gcc supercat@casperkitty.com - 2016-09-27 07:18 -0700
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-27 08:46 -0700
Re: Why I use gcc supercat@casperkitty.com - 2016-09-27 09:11 -0700
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-27 13:33 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 14:13 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-27 15:30 +0100
Re: Why I use gcc supercat@casperkitty.com - 2016-09-27 08:29 -0700
Re: Why I use gcc supercat@casperkitty.com - 2016-09-27 07:11 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-26 21:43 +0100
Re: Why I use gcc raltbos@xs4all.nl (Richard Bos) - 2016-09-30 17:50 +0000
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 01:04 +0100
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-09-26 17:39 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 01:49 +0100
Re: Why I use gcc Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-09-27 11:39 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-09-27 11:56 +0100
Re: Why I use gcc Tim Rentsch <txr@alumni.caltech.edu> - 2016-09-27 15:15 -0700
Re: Why I use gcc David Brown <david.brown@hesbynett.no> - 2016-09-28 08:55 +0200
Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-09-26 22:11 +0200
Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-09-26 22:04 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-10 11:39 +0100
Re: Why I use gcc already5chosen@yahoo.com - 2016-10-10 07:32 -0700
Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-10-10 16:17 +0100
Re: Why I use gcc Robert Wessel <robertwessel2@yahoo.com> - 2016-10-10 21:09 -0500
Re: Why I use gcc Richard Heathfield <rjh@cpax.org.uk> - 2016-10-11 04:18 +0100
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 10:56 +0100
Re: Why I use gcc already5chosen@yahoo.com - 2016-10-11 04:08 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 13:36 +0100
Re: Why I use gcc already5chosen@yahoo.com - 2016-10-11 06:20 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 14:29 +0100
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-11 09:31 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 19:38 +0100
Re: Why I use gcc supercat@casperkitty.com - 2016-10-11 12:23 -0700
Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-10-11 23:19 +0200
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 23:26 +0100
Re: Why I use gcc jacobnavia <jacob@jacob.remcomp.fr> - 2016-10-12 09:01 +0200
Re: Why I use gcc supercat@casperkitty.com - 2016-10-12 08:55 -0700
Re: Why I use gcc already5chosen@yahoo.com - 2016-10-12 10:52 -0700
Re: Why I use gcc supercat@casperkitty.com - 2016-10-12 12:34 -0700
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-12 13:18 -0700
Re: Why I use gcc luser droog <luser.droog@gmail.com> - 2016-10-12 13:24 -0700
Re: Why I use gcc crankypuss <undisclosedUserid@gmail.com> - 2016-10-13 13:31 -0600
Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-16 03:00 -0700
Re: Why I use gcc crankypuss <undisclosedUserid@gmail.com> - 2016-10-16 04:46 -0600
Re: Why I use gcc Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-16 04:05 -0700
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-11 12:28 -0700
Re: Why I use gcc Thiago Adams <thiago.adams@gmail.com> - 2016-10-11 13:24 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-11 21:28 +0100
Re: Why I use gcc gazelle@shell.xmission.com (Kenny McCormack) - 2016-10-11 20:43 +0000
Re: Why I use gcc Robert Wessel <robertwessel2@yahoo.com> - 2016-10-11 23:40 -0500
Re: Why I use gcc already5chosen@yahoo.com - 2016-10-11 04:40 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-10 18:19 +0100
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-10 09:08 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-10 18:04 +0100
Re: Why I use gcc supercat@casperkitty.com - 2016-10-10 10:39 -0700
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-10 11:25 -0700
Re: Why I use gcc Jerry Stuckle <jstucklex@attglobal.net> - 2016-10-10 17:05 -0400
Re: Why I use gcc supercat@casperkitty.com - 2016-10-10 14:46 -0700
Re: Why I use gcc BartC <bc@freeuk.com> - 2016-10-15 13:39 +0100
Re: Why I use gcc Keith Thompson <kst-u@mib.org> - 2016-10-15 13:40 -0700
Re: Why I use gcc already5chosen@yahoo.com - 2016-10-15 13:46 -0700
csiph-web