Productivity Tip from mpickering

[Oleg Grenrus]

(Not really) funny observation, that page and hadrian/doc/README.md have
about the same, but slightly different information. I don't know which
one to believe!

- Oleg

On 26.5.2021 15.38, Richard Eisenberg wrote:
> Could you add this insight to the wiki somewhere, so we can find it
> later? https://gitlab.haskell.org/ghc/ghc/-/wikis/building/hadrian seems
> like the right place.
>
> Thanks!
> Richard
>
>> On May 26, 2021, at 7:47 AM, Matthew Pickering
>> <matthewtpickering at gmail.com <mailto:matthewtpickering at gmail.com>> wrote:
>>
>> Hi,
>>
>> I am now using a new flavour combination which is proving *very* nice
>> as a compromise between fast recompiles and passing tests.
>>
>> My normal build command is now:
>>
>> ./hadrian/build --flavour=default+no_profiled_libs+omit_pragmas
>> --freeze1 -j
>>
>> This has the effect of
>>
>> * base libraries are compiled with optimisation
>> * Profiling libraries are not built
>> * Stage 1 compiler is compiled with -O + -fomit-interface-pragmas, so
>> recompilation behaviour is much better.
>>
>> The end result is a nearly clean testsuite run (I think there are two
>> failures) but much faster iterations when modifying `compiler/*`.
>>
>> Cheers,
>>
>> Matt
>> _______________________________________________
>> ghc-devs mailing list
>> ghc-devs at haskell.org <mailto:ghc-devs at haskell.org>
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
>
>
> _______________________________________________
> ghc-devs mailing list
> ghc-devs at haskell.org
> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/ghc-devs/attachments/20210526/4c0a5e79/attachment.html>