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Re: clang vs free software

From: Duncan Sands <baldrick at free dot fr>
To: gcc at gcc dot gnu dot org
Date: Fri, 24 Jan 2014 11:14:52 +0100
Subject: Re: clang vs free software
Authentication-results: sourceware.org; auth=none
References: <CAJnXXoi2MLpZWxOxknR=mNR91JdZcHrKRsqYZSWY373fvwxObg at mail dot gmail dot com> <87eh439w1n dot fsf at uwakimon dot sk dot tsukuba dot ac dot jp> <CAJnXXojjSAWL8cqZp0X16xa81R73huywtTS90p6O3CpRaPOiDQ at mail dot gmail dot com> <jwvwqhu8zcg dot fsf-monnier+emacs at gnu dot org> <87ha8yqvup dot fsf at engster dot org> <E1W5cXI-0000j4-8x at fencepost dot gnu dot org> <CAJnXXoiuzZhjDGpvXY7psee=+bXn1rB+GdELYP0FS0CuWPqYeQ at mail dot gmail dot com> <E1W6HwP-0001WU-Tg at fencepost dot gnu dot org> <87r47zezcc dot fsf at fencepost dot gnu dot org> <m2eh3ykc3y dot fsf at gmail dot com> <20140123174934 dot GA10933 at thyrsus dot com> <CABu31nMSPdsGU-sAcO_HnFRetqQDgk5fQ3R12aYA0aqTvgdx+A at mail dot gmail dot com> <8E23EFFC-88C3-48BE-97AB-77207DA32499 at apple dot com> <52E1F170 dot 603 at redhat dot com>

Hi Vladimir,

o Comparing LLVM and GCC on Fortran benchmarks.  LLVM has no fortran FE and just
quietly call system GCC.  So comparison of LLVM and GCC on Fortran benchmarks
means comparison of system GCC and a given GCC.

a few people are working on LLVM based Fortran compilers. I'm not sure how farthey got though. I think the one farthest along is this one:

  https://github.com/hfinkel/lfort/
There is also:
  https://github.com/isanbard/flang/

Of course you can always cheat and use the GCC Fortran front-end, using thedragonegg plugin bridging it to LLVM, but as I'm not maintaining dragonegg anymore (no time) this solution is likely to bitrot fast unless someone else picksup the project.


Best wishes, Duncan.

References:
- Re: clang vs free software
  - From: Eric S. Raymond
- Re: clang vs free software
  - From: Steven Bosscher
- Re: clang vs free software
  - From: Chris Lattner
- Re: clang vs free software
  - From: Vladimir Makarov

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