On Sat, 30-December-2023, at 19:57:10, Ivan Krylov <krylov.r...@gmail.com>
wrote:
> On Sat, 30 Dec 2023 18:37:06 +0100
> Ramon Diaz-Uriarte <rdia...@gmail.com> wrote:
>
>> configure: searching for an external BLAS
>> configure: searching for BLAS in default libraries
>> checking for dgemm_... no
>> configure: searching for OpenBLAS
>
> The code implementing this logic is in m4/R.m4, starting around line
> 2600. If --with-blas is given without an argument, the configure script
> goes searching for various BLASes. It happens to try -lopenblas before
> -lblas, so that's what ends up being linked.
>
Thanks. Yes, I just realized that (see message I just sent).
> Does it help to use --with-blas=blas or --with-blas=-lblas so that the
> configure script doesn't try to detect it automatically?
Yes, it does: if I use
--with-blas="-lblas"
--with-lapack="-llapack"
then I can later change the library used via update-alternatives.
R.
--
Ramon Diaz-Uriarte
Department of Biochemistry, Lab B-31
Facultad de Medicina
Universidad Autónoma de Madrid
Arzobispo Morcillo, 4
28029 Madrid
Spain
Phone: +34-91-497-2412
Email: rdia...@gmail.com
r.d...@uam.es
ramon.d...@iib.uam.es
https://ligarto.org/rdiaz
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