From ligges at statistik.tu-dortmund.de  Mon Dec  1 10:36:37 2008
From: ligges at statistik.tu-dortmund.de (Uwe Ligges)
Date: Mon, 01 Dec 2008 10:36:37 +0100
Subject: [Rd] parallel build for package? (equivalent of make -j8)
In-Reply-To: <4932CD8A.6000402@biostat.ku.dk>
References: <8ec76080811300725v1021f0b2l987da0db33c2f961@mail.gmail.com>
	<4932CD8A.6000402@biostat.ku.dk>
Message-ID: <4933B025.7000701@statistik.tu-dortmund.de>



Peter Dalgaard wrote:
> Whit Armstrong wrote:
>> I have a package that takes about 20 minutes to compile which tends to
>> prolong the compile/test/compile cycle.
>>
>> Does anyone know how to get R CMD check or R CMD INSTALL to use 
>> parallel make?
>>
>> I looked at R CMD INSTALL --help, but I don't see anything obvious
>> arguments to do this.
> 
> Platform?
> 
> Does
> 
> MAKE="make -j8" R CMD INSTALL ...
 >
> not work?

I cannot believe this works safely, at least when installing into the 
same library, because of R's lock mechanism that locks a library if 
*one* installation is running ...

Best,
Uwe


> (Beware: Here there be Tygers. Parallel makes have their surprises....)
>



[Rd] parallel build for package? (equivalent of make -j8)
Uwe Ligges