Commit 633ba3be authored by Benjamin Tissoires's avatar Benjamin Tissoires Committed by Jiri Kosina
Browse files

selftests: hid: allow to compile hid_bpf with LLVM 



clang doesn't like to compile a source to the final binary directly:

clang-14: error: cannot specify -o when generating multiple output files

So split the final rule in 2, and ensure we compile all dependencies
before.

Signed-off-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 507806e9

tools/testing/selftests/hid/Makefile

+5 −5
Original line number Diff line number Diff line
@@ -91,10 +91,6 @@ $(MAKE_DIRS): 
	$(call msg,MKDIR,,$@)

	$(Q)mkdir -p $@



$(OUTPUT)/%.o: %.c

	$(call msg,CC,,$@)

	$(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@



# LLVM's ld.lld doesn't support all the architectures, so use it only on x86

ifeq ($(SRCARCH),x86)

LLD := lld
@@ -223,7 +219,11 @@ $(BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(OUTPUT) 
	$(Q)$(BPFTOOL) gen object $(<:.o=.linked1.o) $<

	$(Q)$(BPFTOOL) gen skeleton $(<:.o=.linked1.o) name $(notdir $(<:.bpf.o=)) > $@



$(OUTPUT)/%:%.c $(BPF_SKELS) $(KHDR_INCLUDES)/linux/hid.h

$(OUTPUT)/%.o: %.c $(BPF_SKELS) $(KHDR_INCLUDES)/linux/hid.h

	$(call msg,CC,,$@)

	$(Q)$(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@



$(OUTPUT)/%: $(OUTPUT)/%.o

	$(call msg,BINARY,,$@)

	$(Q)$(LINK.c) $^ $(LDLIBS) -o $@