On Fr, 2014-09-05 at 14:09 -0700, Joe Perches wrote: > On Fri, 2014-09-05 at 22:39 +0200, Hannes Frederic Sowa wrote: > > As announced in [1] gcc will increase its major number yearly but we don't > > need to include gcc version specific quirks for every version normally. > > > > This patch allows to compile every kernel with all new versions of gcc > > without adding a specific compiler-gccX.h header. We do so by clamping > > the __GNUC__ version to the most specific version dependent header file. > > > > If someone adds a new gccX.h file __GCC_CLAMP_VERSION_HEADER also needs > > to be modified. > > > > The decision if chained including of header files (e.g. gcc5.h includes > > gcc4.h) is necessary or should be avoided can be postponed until more > > experience in using the official gcc release is gained. > > I think the churn rate in the gcc compiler specific > #include headers will be low enough that a single > combined file should be acceptable. > > Keeping all the gcc #defines together seems more > readable to me. > > The trivial integration I did eliminated one > duplicate #define as well as that hack for > #include gcc_header(__GNUC__)
It's just a proposal and I don't have a strong opinion on that. I just want to make sure it is easy to compile current kernel with a gcc released in two years. ;) Bye, Hannes -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
