On Mon, Jul 29, 2019 at 6:16 PM Masahiro Yamada <[email protected]> wrote: > > CLANG_FLAGS is initialized by the following line: > > CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE:%-=%)) > > ..., which is run only when CROSS_COMPILE is set. > > Some build targets (bindeb-pkg etc.) recurse to the top Makefile. > > When you build the kernel with Clang but without CROSS_COMPILE, > the same compiler flags such as -no-integrated-as are accumulated > into CLANG_FLAGS. > > If you run 'make CC=clang' and then 'make CC=clang bindeb-pkg', > Kbuild will recompile everything needlessly due to the build command > change. > > Fix this by correctly initializing CLANG_FLAGS. > > Fixes: 238bcbc4e07f ("kbuild: consolidate Clang compiler flags") > Cc: <[email protected]> # v4.20+
This should be v5.0+ > Signed-off-by: Masahiro Yamada <[email protected]> > --- -- Best Regards Masahiro Yamada
