[cfe-dev] Clang should natively support fortran
Eric Christopher via cfe-dev
cfe-dev at lists.llvm.org
Sat Jul 9 08:31:47 PDT 2016
I think you're making a lot of assumptions in this email and disregarding a
completely valid scenario. I know a number of projects that use a Fortran
lapack. Also the base os requirement is just misleading, if you can't
compile it using the os then it doesn't matter if you put it in base or
On Thu, Jun 23, 2016, 9:54 AM C Bergström <cfe-dev at lists.llvm.org> wrote:
> I work with LAPACK(E) every day, but it's not a base OS requirement.
> CLAPACK, which removes the direct dependency on a Fortran compiler was
> just an F2C translation and small clean-up. Anyone could likely rerun
> that against the latest LAPACK.
> Small nit/observation: While gfortran may be the default installed
> Fortran compiler, I'm not sure it's the most popular Fortran
> production tool. In addition, currently no 2 Fortran compilers share
> compatible modules. (Think of modules as sorta like pre-compiled
> headers.. sorta) so it's quite common for users or system integrators
> to directly download lapack and build it with their preferred tool.
> (Not relying on system provided)
> Anecdotally, if Fortran was so generally important, I think Apple or
> Google would have smashed that problem a long time ago.
> Base OS - Not important (system compiler)
> Specific uses cases - extremely important (ports?)
> Trick question.. what if OpenBLAS gets an optimized lapack.. which
> version do you pick..
> On Fri, Jun 24, 2016 at 12:35 AM, Stephen Canon <scanon at apple.com> wrote:
> > On Jun 22, 2016, at 5:54 PM, C Bergström via cfe-dev
> > <cfe-dev at lists.llvm.org> wrote:
> > Sorry to troll your post, but who on earth uses FreeBSD+Fortran? As a
> > person who works on a Fortran compiler almost every day I'm actually
> > asking. I suspect FreeBSD could remove support for Fortran and it
> > wouldn't even get noticed.
> > Linear algebra makes the world go round. LAPACK in particular is used in
> > all sorts of places one might not expect at first, and AFAIK the CLAPACK
> > distribution is frozen at 3.2.1 vs (Fortran) LAPACK at 3.6.1.
> > – Steve
> cfe-dev mailing list
> cfe-dev at lists.llvm.org
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