Re: [Rd] problem in compililng c code using R CMD SHLIB

From: Joshua Ulrich <>
Date: Wed, 06 Jun 2012 12:12:53 -0500

On Wed, Jun 6, 2012 at 8:20 AM, Simon Urbanek <> wrote:
> On Jun 6, 2012, at 6:16 AM, Arathy Ram wrote:
>> Hello all,
>> I was trying to compile a simple C program hello.c using R CMD SHLIB
>> hello.c.
>> MY R software residing in C:\Program Files\R\R-2.15.0, and also I have
>> downloaded the Rtools 2.15.0 and it is in C:\Rtools, MY file(hello.c) is in
>> E:\R_dir.
>> I have followed the procedures given below
>> 1. In a new CMD.exe window I have set the path as
>> c:\ Rtools\bin; C:\Rtools\MinGW\bin;C:\Program Files\R\R-2.15.0\bin
>> 2. I have changed the directory to E:\ where my file(hello.c) is residing
>> E:\>cd \R_dir
>> then I have given the command like this
>> E:\>cd \R_dir> R CMD SHLIB hello.c
>> Then I am getting the following message
>> cygwin warning:
>> MS-DOS style path detected: E:/PROGRA~1/R/R-214~1.0/etc/
>> i386/Makeconf
>> Preferred POSIX equivalent is:
>> /cygdrive/e/PROGRA~1/R/R-214~1.0/etc/i386/Makeconf
>> CYGWIN environment variable option "nodosfilewarning" turns off this
>> warning.
>> Consult the user's guide for more details about POSIX paths:
>> Even though I have gone through several discussions in the same topic I am
>> not able to resolve my problem. It would be a great help if somebody knows
>> what exactly the problem and its solution and favorable suggestions.
> There is no problem in what you posted - all you posted is merely a note from cygwin that it prefers different path style, but it's perfectly ok and doesn't affect anything. So what exactly is the problem you're having?
Probably has something to do with PATH not being set correctly because the Cygwin warning points to R-2.14.0 on E:, not R-2.15.0 on C:.

> Cheers,
> Simon


Joshua Ulrich  |  FOSS Trading:

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