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Re: Compiler tests

From David Brown <david.brown@hesbynett.no>
Newsgroups comp.lang.c
Subject Re: Compiler tests
Date 2019-02-03 12:35 +0100
Organization A noiseless patient Spider
Message-ID <q36jmd$9r9$1@dont-email.me> (permalink)
References (25 earlier) <GHj2E.194369$gE1.67431@fx02.am4> <q2cj0a$o5t$1@dont-email.me> <aFm2E.274925$3si.175399@fx08.am4> <q2dadm$fae$1@dont-email.me> <slrnq5d60v.4jo.grahn+nntp@frailea.sa.invalid>

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On 03/02/2019 08:28, Jorgen Grahn wrote:
> On Thu, 2019-01-24, David Brown wrote:
>> On 24/01/2019 18:32, Bart wrote:
>>> On 24/01/2019 14:44, David Brown wrote:
>>>> On 24/01/2019 15:10, Bart wrote:
>>>
>>>>> I build my C compiler (which includes 40 embedded files) with one
>>>>> command: mm cc. 'mm' is a compiler.
>>>>
>>>> And I build my projects using one command "make".
>>>
>>> So, taking a fiddly build sequence of dozens of steps, involving running
>>> utilities, scripts in multiple languages and having extra dependencies,
>>> wrapping it all up in a makefile script then invoking the lot using
>>> 'make' is just the same as one genuinely simple step using nothing extra?
>>>
>>
>> I am a /programmer/.  Writing lots of fiddly lines that non-initiates
>> can't understand, but where the result can be used simply and reliably,
>> is what programmers do!
>>
>> The makefiles I use are complex.
> 
> Just for the record, the makefiles I use are simple.  Generating code
> in steps (four at the most; noone uses a dozen) is easy; make /was
> designed to/ make that painless and readable.
> 

To be clear here, I don't mean to suggest that makefiles /need/ to be 
complex - I gave an example of quite a powerful generic makefile that is 
short and simple.  I mean that if a complex makefile is helpful, then we 
as programmers should not be scared of it.  But if a simple one will do, 
then use a simple one.

> You draw the graph of is-generated-from dependencies between the
> files, and then you specify the commands to do the generation.  That's
> all make does.
> 
> I suspect cross-compilation is what adds the complexity to DB's
> makefiles.  Perhaps in combination with unit tests (so the makefile
> has to contain two similar but distinct dependency graphs).
> 

Cross-compilation can often be part of the reason - I might have 
different kinds of binaries to build, or include downloads and other 
tasks in the makefile.  But it is also a matter of having several dozen 
source files and a number of directories, along with a large number of 
compiler options which are not always consistent amongst the sources 
(third-party source files might need different warnings or compile 
options than my own code).  And sometimes I have extra pre-processing or 
post-processing involved, code generators, etc.

> And indeed:
> 
> ...
>> Having made the investment, building is done with "make".  I have
>> projects where that builds half a dozen different programs or variants
>> for different systems, builds binaries into flash programming files,
>> automatically downloads to test cards, etc.  All from "make".
> 
> [snip]
> 
> /Jorgen
>

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Compiler tests Bart <bc@freeuk.com> - 2019-01-20 00:03 +0000
  Re: Compiler tests Ian Collins <ian-news@hotmail.com> - 2019-01-20 16:52 +1300
    Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-20 10:27 +0100
      Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-20 12:37 +0100
        Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-20 13:08 +0000
          Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-20 15:02 +0000
            Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-20 17:31 +0100
              Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-20 17:08 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-20 21:40 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-20 22:41 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-21 00:39 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-21 00:36 +0000
                Re: Compiler tests Ian Collins <ian-news@hotmail.com> - 2019-01-21 16:33 +1300
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-21 11:58 +0000
                Re: Compiler tests Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-01-21 04:15 -0800
                Re: Compiler tests Ian Collins <ian-news@hotmail.com> - 2019-01-22 07:53 +1300
                Re: Compiler tests BGB <cr88192@hotmail.com> - 2019-01-23 01:15 -0600
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 12:00 +0000
                Re: Compiler tests Ian Collins <ian-news@hotmail.com> - 2019-01-24 08:13 +1300
                Re: Compiler tests BGB <cr88192@hotmail.com> - 2019-01-23 13:30 -0600
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-21 08:22 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-21 12:23 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-21 14:42 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-21 14:17 +0000
                Re: Compiler tests Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-01-21 12:46 -0800
                You guys really, really need to get a room (Was: Compiler tests) gazelle@shell.xmission.com (Kenny McCormack) - 2019-01-24 14:05 +0000
          Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-20 17:27 +0100
            Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-20 17:19 +0000
              Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-21 09:44 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-21 12:49 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-21 15:31 +0100
                Re: Compiler tests jacobnavia <jacob@jacob.remcomp.fr> - 2019-01-21 14:38 +0100
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-21 15:15 +0100
                Re: Compiler tests jacobnavia <jacob@jacob.remcomp.fr> - 2019-01-21 16:05 +0100
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-21 16:39 +0100
                Re: Compiler tests Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-01-21 12:51 -0800
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-22 00:16 +0000
                Re: Compiler tests jacobnavia <jacob@jacob.remcomp.fr> - 2019-01-22 08:43 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-22 12:31 +0000
                Re: Compiler tests jacobnavia <jacob@jacob.remcomp.fr> - 2019-01-22 17:49 +0100
                Re: Compiler tests jacobnavia <jacob@jacob.remcomp.fr> - 2019-01-23 11:04 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 11:18 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-21 15:35 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-21 15:49 +0000
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-21 17:42 +0100
                Re: Compiler tests BGB <cr88192@hotmail.com> - 2019-01-23 03:18 -0600
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-23 11:11 +0100
                Re: Compiler tests BGB <cr88192@hotmail.com> - 2019-01-23 12:18 -0600
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 13:56 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-22 10:55 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-22 12:07 +0000
                Re: Compiler tests fir <profesor.fir@gmail.com> - 2019-01-22 04:29 -0800
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-22 12:52 +0000
                Re: Compiler tests mark.bluemel@gmail.com - 2019-01-22 05:04 -0800
                Re: Compiler tests fir <profesor.fir@gmail.com> - 2019-01-22 05:18 -0800
                Re: Compiler tests fir <profesor.fir@gmail.com> - 2019-01-22 05:45 -0800
                Re: Compiler tests fir <profesor.fir@gmail.com> - 2019-01-22 05:35 -0800
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-22 15:10 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-22 17:30 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-22 23:02 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-22 23:14 +0000
                Re: Compiler tests Keith Thompson <kst-u@mib.org> - 2019-01-22 15:45 -0800
                Re: Compiler tests Robert Wessel <robertwessel2@yahoo.com> - 2019-01-22 17:57 -0600
                Re: Compiler tests Keith Thompson <kst-u@mib.org> - 2019-01-22 16:36 -0800
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 01:37 +0000
                Re: Compiler tests Keith Thompson <kst-u@mib.org> - 2019-01-22 18:53 -0800
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-23 09:42 +0100
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-23 09:22 +0100
                Re: Compiler tests James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-01-23 08:52 -0500
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-23 15:13 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 14:33 +0000
                Re: Compiler tests James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-01-23 07:30 -0800
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 16:05 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-23 17:17 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 16:29 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-23 22:04 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 21:50 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-24 10:45 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-24 11:55 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-24 13:58 +0100
                Re: Compiler tests mark.bluemel@gmail.com - 2019-01-24 05:07 -0800
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-24 14:10 +0000
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-24 14:18 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-24 15:51 +0100
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-24 15:44 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-24 17:32 +0000
                Re: Compiler tests scott@slp53.sl.home (Scott Lurndal) - 2019-01-24 19:07 +0000
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-24 20:14 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-24 22:24 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-24 22:46 +0000
                Re: Compiler tests Ian Collins <ian-news@hotmail.com> - 2019-01-25 12:34 +1300
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 01:01 +0000
                Re: Compiler tests Ian Collins <ian-news@hotmail.com> - 2019-01-25 14:15 +1300
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 10:05 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 14:51 +0000
                Re: Compiler tests Mateusz Viste <mateusz@wont.tell> - 2019-01-25 09:48 +0000
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 10:56 +0100
                Re: Compiler tests Mateusz Viste <mateusz@wont.tell> - 2019-01-25 12:08 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 13:28 +0100
                Re: Compiler tests Mateusz Viste <mateusz@wont.tell> - 2019-01-25 13:33 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 15:38 +0100
                Re: Compiler tests Mateusz Viste <mateusz@wont.tell> - 2019-01-25 15:08 +0000
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 13:53 +0000
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 12:25 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 10:03 +0100
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 10:08 +0100
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 11:14 +0100
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 12:02 +0100
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 13:37 +0100
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 13:58 +0100
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 14:26 +0100
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 15:01 +0100
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 15:42 +0100
                Re: Compiler tests Keith Thompson <kst-u@mib.org> - 2019-01-25 10:25 -0800
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 14:37 +0000
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 16:33 +0100
                Re: Compiler tests Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-01-25 07:44 -0800
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 17:53 +0100
                Re: Compiler tests Keith Thompson <kst-u@mib.org> - 2019-01-25 10:33 -0800
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 20:43 +0100
                Re: Compiler tests Keith Thompson <kst-u@mib.org> - 2019-01-25 12:17 -0800
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 18:31 +0000
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 20:41 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 21:19 +0000
                Re: Compiler tests Ian Collins <ian-news@hotmail.com> - 2019-01-26 10:24 +1300
                Re: Compiler tests "Pascal J. Bourguignon" <pjb@informatimago.com> - 2019-01-25 22:27 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 22:39 +0000
                Re: Compiler tests Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-01-25 18:46 +0000
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 12:43 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 14:37 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 14:19 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 15:47 +0100
                Re: Compiler tests Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-01-25 07:17 -0800
                Re: Compiler tests Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-02-03 07:28 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-02-03 12:35 +0100
                Re: Compiler tests Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-02-03 21:47 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-02-03 22:57 +0100
                Re: Compiler tests Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-01-24 06:47 -0800
                Re: Compiler tests Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-01-23 20:22 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-23 22:12 +0100
                Re: Compiler tests Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-01-23 21:54 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-24 11:41 +0100
                Re: Compiler tests Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-01-24 23:17 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 11:11 +0100
                Re: Compiler tests Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-01-25 12:04 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 14:05 +0100
                Re: Compiler tests Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-01-25 18:40 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-25 22:36 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-25 22:15 +0000
                Re: Compiler tests scott@slp53.sl.home (Scott Lurndal) - 2019-01-25 14:48 +0000
                Re: Compiler tests scott@slp53.sl.home (Scott Lurndal) - 2019-01-25 14:46 +0000
                Re: Compiler tests Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-01-25 17:48 +0000
                Re: Compiler tests James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-01-23 08:23 -0800
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-23 16:41 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 16:18 +0000
                Re: Compiler tests David Brown <david.brown@hesbynett.no> - 2019-01-23 17:28 +0100
                Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-23 20:23 +0000
                Re: Compiler tests Robert Wessel <robertwessel2@yahoo.com> - 2019-01-22 17:52 -0600
          Re: Compiler tests Bart <bc@freeuk.com> - 2019-01-20 20:17 +0000
    Re: Compiler tests BGB <cr88192@hotmail.com> - 2019-01-21 00:13 -0600

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