[Users] compile problems on OSX High Sierra using homebrew

[Erik Schnetter]

The intrinsic _mm_add_ps should always be available. _mm_hadd_ps (different
spelling!), on the other hand, is only available if SSE3 is available.

This should be corrected by <
https://bitbucket.org/cactuscode/cactusutils/pull-requests/14/vectors-check-for-sse3-availability/diff
>.

-erik


On Mon, Jan 29, 2018 at 2:11 PM, Roland Haas <rhaas at illinois.edu> wrote:

> Hello all,
>
> ok, one question I can possibly answer: the inrinsic _mm_hadd_ps is
> in /usr/local/Cellar/gcc//7.3.0/lib/gcc/7/gcc/x86_64-apple-
> darwin17.3.0/7.3.0/include/pmmintrin.h
> (not the "p") which is only included in x86intrin.h which
> vectors-4-SSE.h only includes if __FMA4__ is set.
>
> However the line bringing _mm_add_ps into the code and the include for
> FM4 are very old (from 2013) so should not be to blame. The layout of
> files and includes also seem to be identical in both gcc 7 and gcc 6.
>
> Yours,
> Roland
>
> > Hello all,
> >
> > I am getting odd compile errors on OSX using osx-homebrew.cfg (in
> > master).
> >
> > There seem to be two different errors right now:
> >
> > * _mm_add_ps is not found (even though xmmintrin.h exists)
> > * ranlib (it uses XCode's) complains about the .a files that it claims
> >   have no symbols. Forcing the use of ranlib from homebrew does not
> >   show the error but then I need to hard-code the full path since
> >   homebrew does not put ranlib in /usr/local/bin
> >
> > I attach the make output (both types of errors are visible at the end).
> >
> > A side node: to have remote commands work on OSX (ie remote compiling
> > *on* my OSX laptop not from it) only works if I add
> > "source /etc/profile" to my envsetup (otherwise /usr/local/bin is not
> > added to $PATH it seems).
> >
> > Has anyone seen these types of errors before and / or could point me to
> > a "canonical" location for ranlib on OSX (rather
> > than /usr/local/Cellar/binutils/2.30/x86_64-apple-darwin17.3.0/
> bin/ranlib)?
> >
> > Yours,
> > Roland
> >
>
>
>
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-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/
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