[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: PSclip

From: Nicola Pero
Subject: Re: PSclip
Date: Fri, 22 Mar 2002 17:15:16 +0000 (GMT)

> > One thing puzzles me though - how come -Wall didnt throw  this up as a 
> > warning
> > in the compile as surely it should generate a "may be used before
> > cwbeing initialised" type thing ?
> Turns out it's not using -Wall at all (if you don't have debug=yes, but
> IIRC gcc doesn't do all the flow analysis then). I tried recompiling all
> of xgps with -Wall, and there are a lot of warnings.

Yes - I now forced -Wall on xgps in any case, and for both C and ObjC.

Just an idea - should we perhaps keep the -O2 flag even when debug=yes is
used ?

That would make sure when you use debug=yes you get all the warnings ...
<and I think if you use debug=yes, it's because you are debugging and
definitely you want as many useful warnings as possible - in particular,
you *do* want the flow analysis warnings>

 I'm quite sure gcc is supposed to be able to manage `-O2 -g' pretty well
... but perhaps it might make things more difficult when debugging ?

Does -O2 cause problems when debugging ?

reply via email to

[Prev in Thread] Current Thread [Next in Thread]