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List:       kde-core-devel
Subject:    Re: GCC 3.1 - even slower compilation and relocation
From:       Neil Stevens <neil () qualityassistant ! com>
Date:       2002-06-05 4:32:03
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On Sunday May 19, 2002 07:44, Dirk Mueller wrote:
> On Fre, 17 Mai 2002, Rolf Magnus wrote:
> > debugging version of qt compiled with 2.95.3:
> > -rwxr-xr-x    1 root     root          28M May 17 11:27
> > libqt-mt.so.3.0.4
> >
> > and with 3.1:
> > -rwxr-xr-x    1 root     root          54M May 17 01:05
> > libqt-mt.so.3.0.4
>
> Well, gcc 3.1 is the first version that adds support for the dwarf2
> debug information format, which is needed for -g3 (which, for some
> braindead and unexplainable reason is used by KDE's
> --enable-debug=full).
>
> So the size increase here is expected, and fairly low in comparison.
>
> The other numbers are fairly more disappointing though.

According to some, the use of -g3 will also slow down the compile time, as 
generating all the new debug info might be costly.

Re-running the test with -g2 will tell whether gcc is slower there, or 
elsewhere.

- -- 
Neil Stevens - neil@qualityassistant.com
"I always cheer up immensely if an attack is particularly wounding
because I think, well, if they attack one personally, it means they
have not a single political argument left." - Margaret Thatcher
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