[R] Installing Packages on an Athlon 64 Linux System

[Liaw, Andy]

On our SLES8 for amd64 installation, GCC 3.2.x (forgot what x is) is the
default, and does not support -mcpu=k8.  GCC 3.3.x is installed in
/opt/gcc33, and does support that flag.

Andy

> From: Peter Dalgaard
> 
> rab <rab at nauticom.net> writes:
> 
> > I installed FC 2 X86-64 on an Athlon 64 system. I then installed R
> > 2.0.0. It runs fine except when I try to install or update packages
> > using either "install.packages" or "update.packages". I get the
> > following types of errors:
> > 
> > gcc -I/usr/lib/R/include  -I/usr/local/include -D__NO_MATH_INLINES
> > -mieee-fp  -fPIC  -O2 -g -pipe -march=i386 -mcpu=i686 -c block.c -o
> > block.o
> 
> > cc1: error: CPU you selected does not support x86-64 instruction set
> > cc1: error: CPU you selected does not support x86-64 instruction set
> 
> Well it doesn't. So what is -march=i386 -mcpu=i686 doing in the
> CFLAGS?
> 
> Sounds like you are using a 386-compiled R in compatibility mode and
> are getting bitten by the fact that your gcc is not a cross compiler.
> Did you use Martyn's RPMs? If so, I'd try a local rebuild (look up the
> docs for rpmbuild) of R from the SRPM.
> 
> Another option might be that you need to set up a 32 bit build
> environment. I don't know FC3 but on SuSE you have the linux32 prefix
> to configure &c. 
> 
> -- 
>    O__  ---- Peter Dalgaard             Blegdamsvej 3  
>   c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
>  (*) \(*) -- University of Copenhagen   Denmark      Ph: 
> (+45) 35327918
> ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: 
> (+45) 35327907
> 
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