Change in core[master]: restore --enable-symbols option again -- was FYI: Cleanup of debug options

[David Ostrovsky]

On 07.11.2012 17:16, Tor Lillqvist wrote:
>
>
>     If no one has any opinion on it, I'm going to name it
>     --enable-symbols-only.
>
>
> I don't like that, as it strongly suggests that this option would 
> cause some kind of lighter, symbol/address mapping only kind of data 
> to be emitted, as opposed to full debug information. Which is doesn't, 
> at least not for all platforms. Or am I missing something?
no, you are right, it's the same symbol information as with full debug 
information (on all platforms). The difference between the two is only 
optimization:

                            O | S | D | T
--------------------------------------
production-code| x | -  | -  | -
--------------------------------------
enable-symbols  | x | x | -  | -
--------------------------------------
enable-debug     | -  | x | -  | -
--------------------------------------
enable-dbgutil    | -  | x | x  | x

where
O: optimization
S:  symbols
D: debug STL
T: trace facility

So to reflect what these options mean exactly one should name it as follows:
enable-symbols: --enable-symbols-and-preserve-optimization
enable-debug: --enable-symbols-and-disable-optimization
enable-dbgutil: 
--enable-symbols-and-disable-optimization-and-enable-debugstl-and-enable-trace-facility

Given that we don't want to rename two last options, we are trying to 
find a new (less confusing and not so long) name
for the first one:
--enable-symbols-and-preserve-optimization

Ideas?

Thanks
David
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