From bug-request at octave dot org Mon Jan 24 18:17:25 2005
Subject: Re: Serious memory leak in octave (this may be a duplicate bug 	report)
From: Dan Nessett <dnessett at comcast dot net>
To: Per Persson <persquare at mac dot com>
CC: Martin Costabel <costabel at wanadoo dot fr>, <bug@octave.org>
Date: Mon, 24 Jan 2005 17:43:45 -0600

Looks like the culprit is libncurses in /sw/lib. To document this workaround
for the record, here is the configure line I used.

./configure --enable-shared --enable-dl --disable-static --disable-readline
--without-hdf5 FLIBS=/sw/lib/libg2c.a

Here is the output of otool:

[/sw-nonfink/octave-2.1.64] otool -L /usr/local/bin/octave
/usr/local/bin/octave:
        /usr/local/lib/octave-2.1.64/liboctinterp.dylib (compatibility
version 0.0.0, current version 0.0.0)
        /usr/local/lib/octave-2.1.64/liboctave.dylib (compatibility version
0.0.0, current version 0.0.0)
        /usr/local/lib/octave-2.1.64/libcruft.dylib (compatibility version
0.0.0, current version 0.0.0)
        /System/Library/Frameworks/vecLib.framework/Versions/A/vecLib
(compatibility version 1.0.0, current version 138.1.0)
        /usr/lib/libncurses.5.dylib (compatibility version 5.0.0, current
version 5.0.0)
        /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
version 63.0.0)

With this configuration, the two commands take about 4-5 seconds of CPU time
and VSIZE grows to 234M and stays there. Now, I will try to get readline and
hdf5 back into the build by explicitly providing /usr/lib/libncurses.5.dylib
in the configure line and removing the disable/without options.

Thanks for the help.

Dan



On 1/23/05 2:47 PM, "Per Persson" <persquare at mac dot com> wrote:

> 
> On Jan 23, 2005, at 00:22, Dan Nessett wrote:
> 
>> Below is the output of otool on octave. It appears octave has pulled in
>> libreadline, libncurses, and libhdf5 from /sw/lib. I can get rid of the
>> first and last with configure options. However, the only place I found
>> libncurses was also in /sw/lib. I presume vecLib in /System/... is
>> required.
>> Also I presume libz and libSystem.B are required. If not, let me know.
>> 
> 
> The only thing left is libncurses. On OS X 10.3 libncurses lives in
> /usr/lib, but it used to be part of libSystem in 10.2. I don't know why
> fink has their own version, maybe Martin knows?
> 
> If you leave out the -I/sw/include -L/sw/lib flags and explictly add
> /sw/lib/libg2c.a instead of -lg2c, will that build an executable
> without libncurses from fink? If so, still same problem?
> 
> /Per
> 



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