Re: [ROOT] Compiling under Linux: virtual memory exhausted

From: Tim Barrass (tim.barrass@bristol.ac.uk)
Date: Wed Oct 16 2002 - 13:59:22 MEST


Cheers Laurent: but I'm still left with the same problem. Here's a quick
summary of what I did to include the -O0 option:

cd ......./root/config
cp Makefile.linux Makefile.linux.original
pico Makefile.linux
    >edited the OPT section to read -O0
cd ..
./configure linux
gmake

>>> virtual memory exhausted
(I tried -fno-inline as well, with the same result).

Trawling through the web I notice that the system's max stack size can be a
factor in these problems. My virtual memory's at a half Gig, but my stack
size (with ulimit -a) is at only 8 Mb ... might that be the issue?

Cheers,

Tim

----- Original Message -----
From: "Laurent Le Guillou" <leguil@in2p3.fr>
To: "Tim Barrass" <tim.barrass@bristol.ac.uk>
Cc: "roottalk" <roottalk@pcroot.cern.ch>
Sent: Wednesday, October 16, 2002 12:28 PM
Subject: Re: [ROOT] Compiling under Linux: virtual memory exhausted


>
> On Wed, 16 Oct 2002, Tim Barrass wrote:
> > Hi all,
> > I'm trying to compile ROOT under RH6.1, gcc2.95.2. Unfortunately gmake
> > fails claiming "virtual memory exhausted". Is there a way I can limit
> > the memory usage of the compiler (e.g. by tweaking the options in
> > the Makefile?).
>
> With the "-O0" option, gcc will use less memory (it
> will not optimize).
> I hope this could help.
>
> Laurent
>
>
>
>
>



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