[R-pkg-devel] Using BLAS on Windows

[William Dunlap]

The MGGM package has the following in src/Makevars.win to tell the linker
to link with the Lapack, BLAS, and Fortran libraries.

PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS)

Its Makevars file is identical - is that Makevars.win really needed?  I
don't see Makevars or Makevars.win in your github site.


Bill Dunlap
TIBCO Software
wdunlap tibco.com

On Thu, Nov 10, 2016 at 8:38 AM, Vilhelm von Ehrenheim <
vonehrenheim at gmail.com> wrote:

> Hi!
> I've tried to submit a package to CRAN that fails to build on windows as it
> cannot find BLAS.
>
> Here is the error:
> ```
> #> lognet.o:lognet.c:(.text+0x8c): undefined reference to `dgemv_'
> #> lognet.o:lognet.c:(.text+0x3d7): undefined reference to `dgemv_'
> ```
>
> It works fine to build on linux machines and I'm currently using rhub to
> try and build it on windows. I got a pointer from the denied CRAN
> submission that I need to set my Makevars.win properly but I can't find how
> to do this is a way that makes it work on Windows. Im no windows user so i
> really dont understand what im doing.
>
> My package is located here on github:
> https://github.com/while/FTRLProximal
>
> Any help would be greatly apprechiated.
>
> Regards,
> Vilhelm von Ehrenheim
>
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