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Date:	Wed, 31 Jul 2013 13:42:17 -0500
From:	"Yaakov (Cygwin/X)" <yselkowitz AT users DOT sourceforge DOT net>
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To:	cygwin AT cygwin DOT com
CC:	edd AT debian DOT org
Subject:	Re: Rcpp installation fails on Cygwin: Rcpp::Timer not supported by your OS.
References:	<CAO22HXcS0w2Ke5_1WG+mvmgBamMumRUEu2-FeZ59n+xJ_q9aeA AT mail DOT gmail DOT com>
In-Reply-To:	<CAO22HXcS0w2Ke5_1WG+mvmgBamMumRUEu2-FeZ59n+xJ_q9aeA@mail.gmail.com>

On 2013-07-31 12:37, Enrico Ferrero wrote:
> When trying to install your Rcpp R package from CRAN on Cygwin,
> compilation aborts with the following error:
> Timer.cpp:35:6: error: #error "Rcpp::Timer not supported by your OS."

Such an error means that the code needs to be patched to select (or add) 
a code block specific to that platform.  A patch for Cygwin can be found 
in Ports git:

http://cygwin-ports.git.sourceforge.net/git/gitweb.cgi?p=cygwin-ports/R-Rcpp;a=tree

Specifically for Cygwin, based on my limited understanding of Rcpp, it 
would appear that libRcpp.dll (the library, not the Rcpp.dll module) 
should be moved to $PATH, and a symlink .dll.a put in its place, for the 
benefit of other modules which would use this library.  The cygport(5) 
found in the aforementioned repo handles that for you.


Yaakov


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