samples: bpf: make the build less noisy

Jakub Kicinski · Alexei Starovoitov · commit 768759edb9a1 · 2018-05-14T22:52:10.000-07:00
Building samples with clang ignores the $(Q) setting, always
printing full command to the output.  Make it less verbose.

Signed-off-by: Jakub Kicinski &lt;jakub.kicinski@netronome.com&gt;
Signed-off-by: Alexei Starovoitov &lt;ast@kernel.org&gt;
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
@@ -244,7 +244,8 @@ $(obj)/tracex5_kern.o: $(obj)/syscall_nrs.h
 # But, there is no easy way to fix it, so just exclude it since it is
 # useless for BPF samples.
 $(obj)/%.o: $(src)/%.c
-	$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) -I$(obj) \
+	@echo "  CLANG-bpf " $@
+	$(Q)$(CLANG) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) -I$(obj) \
 		-I$(srctree)/tools/testing/selftests/bpf/ \
 		-D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
 		-D__TARGET_ARCH_$(ARCH) -Wno-compare-distinct-pointer-types \
