From ripley@stats.ox.ac.uk  Thu Oct 10 16:10:34 2002
From: ripley@stats.ox.ac.uk (ripley@stats.ox.ac.uk)
Date: Thu, 10 Oct 2002 16:10:34 +0100 (BST)
Subject: R-1.6.0-beta compiling on Solaris with gcc-3.2
In-Reply-To: <15744.49422.503549.192941@mithrandir.hornik.net>
Message-ID: <Pine.LNX.4.31.0210101610040.8679-100000@gannet.stats>

On Thu, 12 Sep 2002, Kurt Hornik wrote:

> >>>>> Uwe Ligges writes:
>
> > Compiling R-1.6.0-beta (or any other) with gcc-3.2 just with
> >  ./configure
> >  make
>
> >  ... works - great!
>
>
> > But there are these annoying warning messages after *each* call to any
> > of the gcc tools, as in:
>
> >  gcc -I. -I../../src/include -I../../src/include -I/usr/local/include
> >    -DHAVE_CONFIG_H   -g -O2 -c phyper.c -o phyper.o
> >  cc1: warning: changing search order for system directory
> >    "/usr/local/include"
> >  cc1: warning:   as it has already been specified as a non-system
> >    directory
>
> > I am not really sure if there is something special with our system?
> > If not, is it possible to solve that in the configure script for a
> > later version of R?
>
> Brian had already raised this some time ago---Brian, is there an obvious
> fix?  If not, then we need a configure check for GCC version 3.2 or
> better and inititialize CPPFLAGS accordingly?

That's the best I know of.  For now, set CPPFLAGS to be empty.

-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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R-1.6.0-beta compiling on Solaris with gcc-3.2
ripley@stats.ox.ac.uk