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List:       r-devel
Subject:    Re: [Rd] Symlinks when building R on windows
From:       Olivier BARTHELEMY <barthelemy () geovariances ! com>
Date:       2013-12-30 16:43:02
Message-ID: CAK9jXVUgFkXKSWzYYaJto3nHApf2dnRJ8zWMCggSQ0=vvSVB=w () mail ! gmail ! com
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I tried relaunching the build for x64 this time, in a new folder, and still
get the same problem, so it mustn't be something that didn't get deleted.
According to my first diagnostics with messages in the source, it's
strange. In solve.R, i can see that it will call ".Internal(La_solve(a, b,
tol))". But i never see a message i added right at the start of La_solve()
of Lapack.c. I also diagnosed that the "'a' must be a complex matrix" error
comes from La_qr_cmplx(). It's as if .Internal() called the wrong function
of Lapack.c. I'll try to look more tomorrow, but am not sure how to debug
.Internal()..


2013/12/30 Duncan Murdoch <murdoch.duncan@gmail.com>

> On 13-12-30 4:47 AM, Olivier BARTHELEMY wrote:
>
>> Ok, i used the procedure in the manual. I think i am almost at the end of
>> the build process. I am stuck however at the build of grDevices module.
>> While byte-compiling it, i get the following error :
>> Error in solve.default(rgb) : 'a' must be a complex matrix
>> The line of that syntax errror can be found back in make.rgb of
>> src/library/grDevices/R/convertColor.R
>> I doubt this file has a syntax error. The only possible cause i can think
>> of is if the previous rbind that creates rgb returns NULL, but i can't
>> find
>> what would cause that.
>> Any hints on where i could look for the problem?
>>
>
> I've never seen that error, so can't offer much help.  Did you delete
> everything from your previous unsuccessful build attempts?
>
> Do note that it is not a syntax error, it's an evaluation error.  It would
> likely have happened during the construction of the colorspaces list, which
> calls make.rgb later in that same file.  You could insert print() or
> message() statements to localize the error, but it's not an error that
> should have happened in a valid build.
>
> Duncan Murdoch
>
>
>
>> I hope this is not too offtopic with the initial subject and the
>> developmenet mailing list
>>
>>
>> 2013/12/18 Duncan Murdoch <murdoch.duncan@gmail.com>
>>
>>  On 13-12-18 5:24 AM, Olivier BARTHELEMY wrote:
>>>
>>>  I think this is more suited for the devel mailing list than the help
>>>> one.
>>>>
>>>> I'm trying to build R on windows, With Rtools installed, and
>>>> configure/make
>>>> in R-3.0.2 sources folder from a cygwin console.
>>>>
>>>>
>>> This doesn't sound like a good idea.  The Rtools are set up for native
>>> Windows builds.  If you run configure yourself, you'll be targeting a
>>> Cygwin build -- but that's something we don't support.
>>>
>>> What you should do is follow the instructions for native Windows builds
>>> that are given in chapter 3 of the Installation and Administration
>>> manual.
>>>   In particular, *do not* run configure.
>>>
>>> If you do choose to create a Cygwin build, please make sure it passes the
>>> tests before you use it.  I haven't seen one that does.
>>>
>>> Duncan Murdoch
>>>
>>>
>>>
>>>   I am stuck at the moment, because the build process tries create
>>> symlinks,
>>>
>>>> and gcc build fails because the opened files containe the metadata of
>>>> the
>>>> not working symlink, and not the linked file.
>>>> The first problematic files is src/extra/xz/alone_decoder.c, pointing to
>>>> common/alone_decoder.c, but i guess the following buildt files would
>>>> have
>>>> the same problem.
>>>> My configure didn't even detect the symlink cmd off cygwin while
>>>> performing
>>>> the tests, and i even launched configure with --disable-symlinks, but
>>>> their
>>>> creationis attmpted anyways.
>>>> Is there any quick way to workaround that? And since it's .c or.h files
>>>> we
>>>> are symlinking here, couldn't we simply do 'eponym' C or h files that
>>>> do a
>>>> C #include to the relative path, which would be more portable than
>>>> symlinks?
>>>>
>>>>
>>>>
>>>
>>
>>
>


-- 
Olivier BARTHELEMY
+33.1.80.97.26.31

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