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Re: Bash-4.3-rc1 -- curious?
From: |
Chet Ramey |
Subject: |
Re: Bash-4.3-rc1 -- curious? |
Date: |
Sat, 22 Feb 2014 22:21:54 -0500 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 |
On 2/22/14, 7:35 PM, Linda Walsh wrote:
>>> All the non-release versions of bash enable extensive, exhaustive, and
>>> time-consuming malloc arena and allocation checking. That slows things
>>> considerably. This has been true in all versions before 4.3.
>> ---
> ----
>
> This wouldn't, by any chance, be controllable in the Makefile with
> these lines?:
>
> # comment out for release
> #DEBUG = -DDEBUG
> #MALLOC_DEBUG = -DMALLOC_DEBUG
>
> --- or is there some other check to see if "RELSTATUS" is empty???
> (transmission works that way... if not a full release number, it
> turns on debugging regardless of build options).
That's close, but not exactly it. Look at what configure.ac does with
the DEBUG and MALLOC_DEBUG variables, how configure substitutes them, and
what Makefile.in does with them.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/