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selftests: hid: allow to compile hid_bpf with LLVM

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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: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Benjamin Tissoires 2023-01-13 10:09:28 +01:00 committed by Jiri Kosina
parent 507806e9fd
commit 633ba3be76
1 changed files with 5 additions and 5 deletions
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10
tools/testing/selftests/hid/Makefile
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@ -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 $@