[cctbxbb] Windows icc builds
Charles Ballard - STFC UKRI
charles.ballard at stfc.ac.uk
Wed May 26 12:56:33 PDT 2021
MSVC or mingw gcc only so far I am afraid.
From: cctbxbb-bounces at phenix-online.org <cctbxbb-bounces at phenix-online.org> on behalf of Winter, Graeme (DLSLtd,RAL,LSCI) <Graeme.Winter at diamond.ac.uk>
Sent: 26 May 2021 7:57 PM
To: cctbx mailing list <cctbxbb at phenix-online.org>
Subject: [cctbxbb] Windows icc builds
Following from a DIALS issue about it being slow on Windows
I have fallen into a rabbit hole and I am trying to build DIALS (and hence cctbx) on Windows with the intel compilers from oneAPI - however I keep stumbling over linking errors with e.g. undefined symbol __floor
Should I abandon hope or has someone done this?
I know this is not a new path to tread as windows_icc was a defined combination on the SConscripts
I had had to hack some bits around a little presumably to accommodate 2021 versions of icc compilers, but this felt like I was going down a bad path
Would welcome input from anyone who can help - currently windows DIALS is a pretty poor relation
It is noteworthy however that parallel operation does now appear to work on Windows with easy mp :-)
In other news - has anyone considered adding clang support with clang coming from conda? Could make for more consistency in the builds… I had a look at how one may go about doing this but rapidly found myself in SCons hell.
Thanks in advance for any help & all the best Graeme
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