Messages in this thread | | | Date | Mon, 28 Dec 2020 13:55:54 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH v5 2/4] perf: support build BPF skeletons with perf |
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On Tue, Dec 15, 2020 at 10:14:10AM -0800, Song Liu wrote:
SNIP
> HOSTCC ?= gcc > HOSTLD ?= ld > HOSTAR ?= ar > +CLANG ?= clang > +LLVM_STRIP ?= llvm-strip > > PKG_CONFIG = $(CROSS_COMPILE)pkg-config > LLVM_CONFIG ?= llvm-config > @@ -735,7 +739,8 @@ prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders $(drm_ioc > $(x86_arch_prctl_code_array) \ > $(rename_flags_array) \ > $(arch_errno_name_array) \ > - $(sync_file_range_arrays) > + $(sync_file_range_arrays) \ > + bpf-skel > > $(OUTPUT)%.o: %.c prepare FORCE > $(Q)$(MAKE) -f $(srctree)/tools/build/Makefile.build dir=$(build-dir) $@ > @@ -1008,7 +1013,43 @@ config-clean: > python-clean: > $(python-clean) > > -clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBPERF)-clean config-clean fixdep-clean python-clean > +SKEL_OUT := $(abspath $(OUTPUT)util/bpf_skel) > +SKEL_TMP_OUT := $(abspath $(SKEL_OUT)/.tmp) > +SKELETONS := > + > +ifdef BUILD_BPF_SKEL > +BPFTOOL := $(SKEL_TMP_OUT)/bpftool-bootstrap
I think this needs to be:
BPFTOOL := $(SKEL_TMP_OUT)/bootstrap/bpftool
otherwise it won't compile for me
jirka
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