[Flang-dev] Fortran compatible ninja; flang circular dependencies

Isuru Fernando isuruf at gmail.com
Fri Oct 12 14:01:09 EDT 2018


Yes, I did sign the CLA (and Albert who is the other author on that PR did
too.)

Isuru

On Fri, Oct 12, 2018 at 12:46 PM blubee blubeeme <gurenchan at gmail.com>
wrote:

>
>
> On Sat, Oct 13, 2018 at 12:59 AM Isuru Fernando <isuruf at gmail.com> wrote:
>
>> This was fixed in https://github.com/flang-compiler/flang/pull/464/files
>> among other things, but that PR has not been reviewed yet.
>>
>> Isuru
>>
>> On Fri, Oct 12, 2018 at 10:56 AM Stephen Scalpone <sscalpone at nvidia.com>
>> wrote:
>>
>>> There’s an issue raised on github about the ieee_arithmetic.F95 build
>>> problem.  The the flang libraries are built twice, once as a shared library
>>> and once as a static library.  Both builds write their mod files to the
>>> same directory (‘include’), which is the problem.  Seems like we need to
>>> fix the build to use the -module option for compilations & then atomically
>>> copy the resulting .mod files into the include directory.  It’s probably a
>>> good idea to verify that the mod files are the same except for the time
>>> stamp.
>>>
>>>
>>>
>>> *From: *flang-dev <flang-dev-bounces at lists.flang-compiler.org> on
>>> behalf of blubee blubeeme <gurenchan at gmail.com>
>>> *Date: *Friday, October 12, 2018 at 1:03 AM
>>> *To: *"flang-dev at lists.flang-compiler.org" <
>>> flang-dev at lists.flang-compiler.org>
>>> *Subject: *Re: [Flang-dev] Fortran compatible ninja; flang circular
>>> dependencies
>>>
>>>
>>>
>>>
>>>
>>> On Fri, Oct 12, 2018 at 2:39 PM blubee blubeeme <gurenchan at gmail.com>
>>> wrote:
>>>
>>> There's a fork of ninja that supports fortran files:
>>> https://github.com/ninja-build/ninja
>>>
>>>
>>>
>>> When attempting to build you'll get an error:
>>>
>>> dupbuild=err
>>>
>>>
>>>
>>> You can change that from error to warning with
>>>
>>> -w dupbuild=warn
>>>
>>>
>>>
>>> but then the build still fails with circular dependencies:
>>>
>>> -- Build files have been written to:
>>> /wrkdirs/usr/ports/devel/pflang/work/.build
>>>
>>> ninja: warning: multiple rules generate include/iso_c_binding.mod.
>>> builds involving this target will not be correct; continuing anyway [-w
>>> dupbuild=warn]
>>>
>>> ninja: error: dependency cycle:
>>> runtime/flang/CMakeFiles/flang_shared.dir/Fortran.dd ->
>>> runtime/flang/CMakeFiles/flang_shared.dir/ieee_arithmetic.F95-pp.f95.ddi ->
>>> include/iso_c_binding.mod ->
>>> runtime/flang/CMakeFiles/flang_shared.dir/iso_c_bind.F95.o ->
>>> runtime/flang/CMakeFiles/flang_shared.dir/Fortran.dd
>>>
>>>
>>>
>>>
>>>
>>> It doesn't fail with Makefiles but ninja allows building a lot faster.
>>>
>>>
>>>
>>> Is this something that the flang developers are interested in taking a
>>> look at?
>>>
>>>
>>>
>>> Best
>>>
>>> I forgot to mention but building libpgmath with kitware ninja works just
>>> fine.
>>>
>>>
>>>
>>> Best
>>> ------------------------------
>>> This email message is for the sole use of the intended recipient(s) and
>>> may contain confidential information.  Any unauthorized review, use,
>>> disclosure or distribution is prohibited.  If you are not the intended
>>> recipient, please contact the sender by reply email and destroy all copies
>>> of the original message.
>>> ------------------------------
>>> _______________________________________________
>>> flang-dev mailing list
>>> flang-dev at lists.flang-compiler.org
>>>
>>> http://lists.flang-compiler.org/mailman/listinfo/flang-dev_lists.flang-compiler.org
>>
>> I also did some work that allows Flang to build on FreeBSD:
> https://github.com/teamblubee/flang
>
> I've been testing it on various code bases;
> blas,lapack,atlas,openblas,openmpi,mpich2 and so far so good.
>
> I'd just like to make sure I run a full suite of tests before I submit a
> pull request.
>
> @Isuru Fernando
> Did you sign the CLA?
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.flang-compiler.org/pipermail/flang-dev_lists.flang-compiler.org/attachments/20181012/08fbe8ae/attachment-0001.html>


More information about the flang-dev mailing list