FYI: Cleanup of debug options

[Stephan Bergmann]

On 11/05/2012 05:15 PM, Michael Meeks wrote:
> 	Having done a from-clean build, and been unable to debug because my
> autogen.lastrun contains --enable-symbols - and that now fails to do
> anything - I did some digging to try to restore that functionality.
>
> 	It appears that prepending:
>
> CFLAGS=-Os -g
> CXXFLAGS=-Os -g
>
> 	to your autogen.lastrun will restore the original --enable-symbols
> functionality; and of course leaving that option there does no harm if
> you want to share your autogen.lastrun with older versions.
>
> 	Why do I extensively use that option, though I'm not a packager:
>
> 	* I like to run the code the end-user runs - warts and all.

Note that what the end user runs is -O2 rather than -Os IIUC.

Stephan