On Saturday 19 July 2008, Andreas Pakulat wrote: > On 18.07.08 23:06:50, Alexander Neundorf wrote: > > On Friday 18 July 2008, Thiago Macieira wrote: > > > Alexander Neundorf wrote: > > > >On Friday 18 July 2008, Andreas Pakulat wrote: > > > >> Hi, > > > >> > > > >> Whats the reasoning behind using -O2 in the Debug CXX flags? A debug > > > >> build shouldn't use _any_ optimizations IMHO. > > > > > > > >I think there were lengthy discussion about the flags for the > > > > different build types. I guess this was the result. > > > >/me hasn't slept a lot this week, so I don't feel like searching for > > > > this now > > > > > > The reason is that we split the build types in (for gcc): > > > > > > Release > > > optimised for speed, qDebug/kDebug turned off, no debug symbols > > > Release with debug info > > > optimised for speed, debugging symbols on (-g) > > > Debug > > > optimised but debuggable, debugging on (-g) > > > (-fno-reorder-blocks -fno-schedule-insns -fno-inline) > > > DebugFull > > > no optimisation, full debugging on (-g3) > > > Profile > > > DebugFull + -ftest-coverage -fprofile-arcs > > > > > > It is expected that the "Debug" build type be still debuggable with gdb > > > without going all over the place, but still produce better performance. > > > It's also important to note that gcc cannot detect all warning > > > conditions unless the optimiser is active. > > > > > > I'd say that "debug" is recommended for kdelibs for people developing > > > KDE applications, since oftentimes they may have to go into kdelibs > > > functions. Their own code should be build under debugfull while still > > > in development, but should be built a few times in release before a > > > release. > > > > Thanks for the explanation :-) > > Can you put that on techbase, somewhere related to cmake/building ? > > I'm putting it on techbase in a minute (if I find the right spot). > However I'd also like to add the information to FindKDE4Internal.cmake > and more importantly make Debugfull work with CMake 2.6. As I didn't > find a reference of CMAKE_CONFIGURATION_TYPES for cmake 2.4 I've set it > only for 2.6.
Question (somewhat late, I know...) Why do you actually set CMAKE_CONFIGURATION_TYPES ? If I set CMAKE_BUILD_TYPE to DebugFull it works here with cmake HEAD and Makefiles. Alex _______________________________________________ Kde-buildsystem mailing list [email protected] https://mail.kde.org/mailman/listinfo/kde-buildsystem
