Re: [Rd] specifying compiler path in configure

From: Prof Brian Ripley <>
Date: Wed, 27 Aug 2008 21:38:34 +0100 (BST)

On Wed, 27 Aug 2008, Mark Kimpel wrote:

> I'm having trouble building some packages while running Debian Lenny
> (testing) and suspect that the issues are related to the default use
> of gcc-4.3.

You might want to compare your problems with the CRAN checks at

as those are run with gcc 4.3.x on Debian testing. From memory, the problems are confined to C++-(mis)using packages.

> With Lenny, build-essentials depends on 4.3, so I'd like
> to leave it installed but have also installed 4.2.1. How do I tell
> ./configure the path to 4.2.1 ? I"m sure it's an option, but I don't
> see it documented in the R-admin manual.

>From configure --help:

   CC          C compiler command
   CFLAGS      C compiler flags

There are many examples of setting CC in the R-admin manual, and the first para of 'Essential Programs' seems to me to tell you that as well.

Brian D. Ripley,        
Professor of Applied Statistics,
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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