[R-pkg-devel] Using BLAS on Windows

[Vilhelm von Ehrenheim]

No I didn't have any Makevars at all to begin with. I was just trying to
add it locallynow and using r-hub to build on windows.

However, your reply made me realize I put the file in the package root and
not in `src/`. Moving the file solved the problem and yes, it seems to be
sufficient to add only a `src/Makevars` and no Makevars.win.

Feel a bit stupid. Thank you so much for your help!


On Thu, Nov 10, 2016 at 6:34 PM, William Dunlap <wdunlap at tibco.com> wrote:

> 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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>>
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>
>

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