Localize the hashmap__* symbols in libbpf.a. To allow for a version in libapi. Before: $ nm libbpf.a ... 000000000002088a t hashmap_add_entry 000000000001712a t hashmap__append 0000000000020aa3 T hashmap__capacity 000000000002099c T hashmap__clear 00000000000208b3 t hashmap_del_entry 0000000000020fc1 T hashmap__delete 0000000000020f29 T hashmap__find 0000000000020c6c t hashmap_find_entry 0000000000020a61 T hashmap__free 0000000000020b08 t hashmap_grow 00000000000208dd T hashmap__init 0000000000020d35 T hashmap__insert 0000000000020ab5 t hashmap_needs_to_grow 0000000000020947 T hashmap__new 0000000000000775 t hashmap__set 00000000000212f8 t hashmap__set 0000000000020a91 T hashmap__size ... After: $ nm libbpf.a ... 000000000002088a t hashmap_add_entry 000000000001712a t hashmap__append 0000000000020aa3 t hashmap__capacity 000000000002099c t hashmap__clear 00000000000208b3 t hashmap_del_entry 0000000000020fc1 t hashmap__delete 0000000000020f29 t hashmap__find 0000000000020c6c t hashmap_find_entry 0000000000020a61 t hashmap__free 0000000000020b08 t hashmap_grow 00000000000208dd t hashmap__init 0000000000020d35 t hashmap__insert 0000000000020ab5 t hashmap_needs_to_grow 0000000000020947 t hashmap__new 0000000000000775 t hashmap__set 00000000000212f8 t hashmap__set 0000000000020a91 t hashmap__size ... Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx> --- tools/lib/bpf/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index aee7f1a83c77..4a1cdbceb04e 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -20,6 +20,7 @@ srctree := $(patsubst %/,%,$(dir $(srctree))) endif INSTALL = install +OBJCOPY ?= objcopy # Use DESTDIR for installing into a different root directory. # This is useful for building a package. The program will be @@ -181,6 +182,7 @@ $(BPF_IN_SHARED): force elfdep zdep bpfdep $(BPF_HELPER_DEFS) $(BPF_IN_STATIC): force elfdep zdep bpfdep $(BPF_HELPER_DEFS) $(Q)$(MAKE) $(build)=libbpf OUTPUT=$(STATIC_OBJDIR) + $(Q)$(OBJCOPY) -w -L hashmap__\* $@ $(BPF_HELPER_DEFS): $(srctree)/tools/include/uapi/linux/bpf.h $(QUIET_GEN)$(srctree)/scripts/bpf_helpers_doc.py --header \ -- 2.26.2.761.g0e0b3e54be-goog
