Re: Bash-4.3-rc1 -- curious?

[Chet Ramey]

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/