From: Meelis Roos <mroos@xxxxxxxx> Date: Thu, 16 Oct 2014 23:11:49 +0300 (EEST) >> > Hopefully, this should be a simply matter of doing a complete build >> > with gcc-4.9, then removing the object file we want to selectively >> > build with the older compiler and then going: >> > >> > make CC="gcc-4.6" arch/sparc/mm/init_64.o >> > >> > then relinking with plain 'make'. >> > >> > If the build system rebuilds the object file on you when you try >> > to relink the final kernel image, we'll have to do some of this >> > by hand to make the test. >> >> Unfortunately it starts a full rebuild with plain make after compiling >> some files with gcc-4.6 - detects CC change? > > Figured out from make V=1 how to call gcc-4.6 directly, so far my > bisection shows that it one or probably more of arch/sparc/kernel/*.c > but probably more than 1 - 2 halfs of it both failed. Still bisecting. Thanks a lot for working this out. I'm going to also try to setup a test environment so I can try this gcc-4.9 stuff on my T4-2 as well. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>