[Rd] openblas

[Peter Langfelder]

I'm a linux guy so take the advice with a grain of salt... When you
run the configure script, look at the output at the end of the run, it
should either say

Options enabled:           shared BLAS, ...   (means you are using R BLAS)

or it should mention OpenBLAS in External libraries (meaning you are
using OpenBLAS).

You can also see the results in config.log of you search for BLAS.

Or you could use the old trick of replacing libRblas.dylib with a link
to the appropriate OpenBLAS dylib.

On Tue, May 7, 2019 at 5:01 PM robin hankin <hankin.robin using gmail.com> wrote:
>
> Hello, macosx 10.13.6, Rdevel  r76458
>
> I'm trying to compile against openblas to reproduce an error on the
> CRAN check page (my package is clean under winbuilder and all but one
> of the checks).   I've downloaded and installed openblas 0.3.7 but I
> am not 100% sure that it is being used by R.
>
> Using
>
> ./configure --with-blas="-lopenblas"
>
> Then running R to discover the PID I get:
>
>
> Rd % lsof -p 17960|egrep -i blas
>
> R       17960 rhankin  txt    REG    1,8     189224 33471762
> /Users/rhankin/Rd/lib/R/lib/libRblas.dylib
>
>
> But it is not clear to me how to interpret this.  Am I using openblas
> as intended?  I suspect not, for I cannot reproduce the error.   Can
> anyone advise?
>
>
> hankin.robin using gmail.com
>
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