[R-pkg-devel] Configure dot win file preventing compilation for i386 on windows

[Duncan Murdoch]

On 13/02/2019 12:56 p.m., Travers Ching wrote:
> Thanks Gabor and Duncan, that seems to be the issue.
> 
> On Wed, Feb 13, 2019 at 9:53 AM Duncan Murdoch <murdoch.duncan using gmail.com> wrote:
>>
>> On 13/02/2019 12:45 p.m., Travers Ching wrote:
>>> I have a package in which I thought would be helpful to have a
>>> configure.win file.  However, when compiling (locally as well as
>>> through win-builder) I get the following message:
>>>
>>> "Warning: this package has a non-empty 'configure.win' file, so
>>> building only the main architecture"
>>>
>>> And then win builder CRAN check fails with an error.  When I take out
>>> the configure.win file everything works (the configure.win file just
>>> had an echo statement in it for testing).
>>>
>>> I don't understand why i386 compilation does not proceed with the
>>> configure file?  What is the issue or mistake I'm making?
>>
>> It sounds as though you (and WinBuilder) are skipping the
>> "--force-biarch" command line option in "R CMD install".
>>
>> I suspect the reason it isn't the default is that it's hard to get right
>> for both architectures.  I don't know how you would ask WinBuilder to
>> use it for you.
>>

To answer the final part of my answer:  you put "Biarch: yes" in the 
DESCRIPTION file.  See the "foreign" package for example.

Duncan Murdoch