On Wed, Feb 10, 2021 at 9:47 AM Nathan Chancellor <nathan@xxxxxxxxxx> wrote: > > On Fri, Feb 05, 2021 at 01:40:20PM +0100, Jiri Olsa wrote: > > The resolve_btfids tool is used during the kernel build, > > so we should clean it on kernel's make clean. > > > > Invoking the the resolve_btfids clean as part of root > > 'make clean'. > > > > Acked-by: Song Liu <songliubraving@xxxxxx> > > Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx> > > --- > > Makefile | 7 ++++++- > > 1 file changed, 6 insertions(+), 1 deletion(-) > > > > diff --git a/Makefile b/Makefile > > index b0e4767735dc..159d9592b587 100644 > > --- a/Makefile > > +++ b/Makefile > > @@ -1086,6 +1086,11 @@ ifdef CONFIG_STACK_VALIDATION > > endif > > endif > > > > +PHONY += resolve_btfids_clean > > + > > +resolve_btfids_clean: > > + $(Q)$(MAKE) -sC $(srctree)/tools/bpf/resolve_btfids O=$(abspath $(objtree))/tools/bpf/resolve_btfids clean > > + > > ifdef CONFIG_BPF > > ifdef CONFIG_DEBUG_INFO_BTF > > ifeq ($(has_libelf),1) > > @@ -1495,7 +1500,7 @@ vmlinuxclean: > > $(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean > > $(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean) > > > > -clean: archclean vmlinuxclean > > +clean: archclean vmlinuxclean resolve_btfids_clean > > > > # mrproper - Delete all generated files, including .config > > # > > -- > > 2.26.2 > > > > This breaks running distclean on a clean tree (my script just > unconditionally runs distclean regardless of the tree state): > > $ make -s O=build distclean > ../../scripts/Makefile.include:4: *** O=/home/nathan/cbl/src/linux-next/build/tools/bpf/resolve_btfids does not exist. Stop. > Can't reproduce it. It works in all kinds of variants (relative and absolute O=, clean and not clean trees, etc). Jiri, please check as well. > Cheers, > Nathan
