Re: NEW: lang/flang

On 12/31/17 09:43, Rafael Sadowski wrote:
> On Sat Dec 30, 2017 at 10:12:23PM -0500, Brian Callahan wrote:
>> On 12/23/17 00:00, Brian Callahan wrote:
>>> On 12/15/17 23:43, Brian Callahan wrote:
>>>> On 12/10/17 12:27, Brian Callahan wrote:
>>>>> Hi ports --
>>>>>
>>>>> Attached is a new port, lang/flang. Flang is a Fortran compiler
>>>>> targeting LLVM.
>>>>>
>>>>> Supposedly Flang is on its way to becoming part of LLVM, though
>>>>> there's no timetable for that.
>>>>>
>>>>> Flang is divided into two ports, the driver and the runtime. The
>>>>> driver is a modified version of clang. I chose to only install
>>>>> the flang driver binary from the driver port. The CMake build
>>>>> system wants to install the entirety of the clang utils and
>>>>> libraries and headers, but that means having three copies of
>>>>> some things (1 in base, 1 from devel/llvm, 1 from flang), and
>>>>> that seemed crazy. We only need the flang driver binary anyway.
>>>>>
>>>>> In order to link binaries with flang, you must remember to
>>>>> include -L${LOCALBASE}/lib -lflang when linking the binary.
>>>>>
>>>>> I chose to use flang's built-in ompstubs library for OpenMP
>>>>> "support." And by "support" I mean that the ompstubs library is
>>>>> just stubbed out omp routines that do nothing but allow flang to
>>>>> build. According to upstream, !amd64 archs use the ompstubs
>>>>> library anyway. It would be nice to eventually move to real
>>>>> OpenMP support, but that can be for a later day.
>>>>>
>>>>> Only tested on amd64 because I do not (yet) have an arm64
>>>>> machine. Flang only supports those two platforms. I will add the
>>>>> needed arm64 bits once I have my arm64 machine. Flang
>>>>> successfully builds a bunch of F90/F95 programs I have and
>>>>> passes a significant chunk of the NIST F77 test suite.
>>>>>
>>>>> OK?
>>>>>
>>>>> ~Brian
>>>>>
>>>> Ping. Tarball with latest version attached.
>>>>
>>>> OK?
>>>>
>>>> ~Brian
>>>>
>>> Anyone?
>>>
>>> Latest tarball attached.
>>>
>>> ~Brian
>>>
>> Weekly bump with the latest tarball attached :)
>>
>> ~Brian
>>
> Not much to grumble about.
>
> * Tab(s) after PERMIT_PACKAGE_CDROM

Fixed.

> * Some comments in the patches would be very helpful.

Comments added, but only to the flang/flang part. The patches directory
in flang/driver are direct copies of the clang patches from the
devel/llvm port. I'll have to keep doing that going forward for ease of
maintenance, I think.

>
> Only build test on amd64. Is there any run test I could do?

flang/flang is a test of itself, which is nice. Otherwise, your favorite
F95 programs?

~Brian