Hi. Thanks for your answer.
There goes my plan to better understand an UML kernel lock up by using a debugger... Everything gets optimised out with -O2 :-( Can you give an example function that relies on this GCC feature? With kind regards Thomas Am 19.08.2014 22:06 schrieb [email protected]: > > On Tue, 19 Aug 2014 21:12:10 +0200, Thomas Meyer said: > > > Hi, > > > > > > the build with -O0 fails with: > > > > bug or feature? > > > > > > any ideas? > > Feature. The kernel is *known* to not build with -O0, because that > disables *all* function inlining, and there's several functions that *have* > to be inlined in order to function properly (most notably, anything > that uses the gcc __builtin_return_address in a function that is expected > to be inlined).
