[Libreoffice] Even more debugging info

Lionel Elie Mamane lionel at mamane.lu
Thu Dec 1 05:23:24 PST 2011


On Wed, Nov 30, 2011 at 01:34:41PM -0700, Tom Tromey wrote:

> In a recent-enough GCC (I don't know if it made 4.6, but anyway I
> think it is in Fedora 16), there is a GNU extension to how macro
> information is represented.  This extension greatly reduces the size
> of the macro information.

And this GNU extension is enabled with "-ggdb3"? With "-gdwarf-4"? How
do I see whether it is used?

> If you really want to shrink debuginfo, use -gdwarf-4 and
> -fdebug-types-section. The former has been in GCC for a while, I
> don't remember when the latter was added.

It is not in 4.6.2, in any case.

> This also makes gdb use less memory.

That would be useful indeed.

-- 
Lionel


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