Hi Art, So why JS said it is turned "on" by default? I'm in favor of leaving it "off".
Sukender PVLE - Lightweight cross-platform game engine - http://pvle.sourceforge.net/ Le Tue, 30 Dec 2008 10:45:28 +0100, Art Tevs <stud_in...@yahoo.de> a écrit: > Hi all, > > some longer time ago there was a discussion about the warning levels. Robert > wasn't happy about using very pendantic warning levels, since it could > introduce more errors than we currently have. Maybe take a look into list > archives. > Hence I am not really sure that OSG_USE_AGGRESSIVE_WARNINGS should be turned > on per default, because this is an opposite of what Robert want to have... > > Cheers > art > > > --- Sukender <suky0...@free.fr> schrieb am Di, 30.12.2008: > >> Von: Sukender <suky0...@free.fr> >> Betreff: Re: [osg-users] Warning level >> An: "OpenSceneGraph Users" <osg-users@lists.openscenegraph.org> >> Datum: Dienstag, 30. Dezember 2008, 9:36 >> Hi JS, >> >> IMHO, MSVC's /W3 is already quite >> "aggressive", but I already had to go to /W4 to >> find a few bugs. However, I agree that /W4 is "very >> very very aggressive". I guess the "-Wall" on >> gcc is roughly equivalent to "/W3", and >> "-Wall -pedantic -all other that are not in Wall" >> is roughly equivalent to "/W4"; Correct me if >> I'm wrong. Does OSG_USE_AGGRESSIVE_WARNINGS generates >> all gcc warnings (I mean -Wall plus all others)? >> >> So what? Well, as I don't know why >> OSG_USE_AGGRESSIVE_WARNINGS has been turned on by default, I >> can't be sure. But I suggest MSVC's >> OSG_USE_AGGRESSIVE_WARNINGS to be turned off by default, >> since it's only used for in-depth analysis and generates >> lots of false positives. >> >> Sukender >> PVLE - Lightweight cross-platform game engine - >> http://pvle.sourceforge.net/ >> >> >> Le Mon, 29 Dec 2008 20:52:39 +0100, Jean-Sebastien Guay >> <jean-sebastien.g...@cm-labs.com> a écrit: >> >> > Hi all, hi Robert, hope you are all having a good >> holiday. :-) >> > >> > I was just building after an svn update today and >> happened to delete >> > my CMakeCache.txt, and the new default setting for >> > OSG_USE_AGGRESSIVE_WARNINGS started taking effect. (it >> seems that my >> > old cache was overriding the value before) >> > >> > On Visual C++ 2005, with the >> "non-aggressive" warning level (which >> > gives /W3, which is a good warning level) all the libs >> and plugins >> > compile without warnings since about a week or two >> ago, when Robert >> > did a big warning blitz. Using the new default setting >> (which turns on >> > OSG_USE_AGGRESSIVE_WARNINGS and seems to equate to /W4 >> and perhaps >> > some other settings which I didn't check), Visual >> Studio now spits out >> > a huge number of warnings in the default header files >> like vector, >> > xlocale, etc. >> > >> > Now I'm sure the first reaction will be to say >> that MS should make >> > their code warning-clean under even the highest level >> of warnings. I'd >> > tend to agree. But nevertheless, this warning level is >> just not useful >> > on Windows. >> > >> > I'd like to suggest that unless someone else has a >> better idea, >> > OSG_USE_AGGRESSIVE_WARNINGS do nothing on Windows / >> Visual C++. /W3 is >> > high enough to find most bad uses (unused / >> uninitialized variables, >> > bad type conversions, etc) and /W4 doesn't seem >> useful at all since it >> > spits out so much noise that we wouldn't be able >> to find useful >> > warnings in the lot even if we tried. >> > >> > Another possibility would be to make >> OSG_USE_AGGRESSIVE_WARNINGS >> > default to OFF on Windows / Visual C++, so that the >> setting is still >> > there if someone wants to use it but it doesn't >> start spewing out all >> > those warnings by default without conscious action >> from the person >> > running CMake. >> > >> > Comments? >> > >> > J-S >> > -- >> > ______________________________________________________ >> > Jean-Sebastien Guay jean-sebastien.g...@cm-labs.com >> > http://whitestar02.webhop.org/ >> > _______________________________________________ >> > osg-users mailing list >> > osg-users@lists.openscenegraph.org >> > >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> >> _______________________________________________ >> osg-users mailing list >> osg-users@lists.openscenegraph.org >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
