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authorAndrii Nakryiko <andrii@kernel.org>2021-11-11 08:36:16 +0300
committerAlexei Starovoitov <ast@kernel.org>2021-11-12 03:54:05 +0300
commit6501182c08f76e4118177b42614174547e1bd149 (patch)
treef89a9d4b23a372f38e5ec3823991f61f5db632ba
parent3a75111d8a430ac6684e04172c9f84e9b1b1454e (diff)
downloadlinux-6501182c08f76e4118177b42614174547e1bd149.tar.xz
bpftool: Normalize compile rules to specify output file last
When dealing with verbose Makefile output, it's extremely confusing when compiler invocation commands don't specify -o <output.o> as the last argument. Normalize bpftool's Makefile to do just that, as most other BPF-related Makefiles are already doing that. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20211111053624.190580-2-andrii@kernel.org
-rw-r--r--tools/bpf/bpftool/Makefile16
1 files changed, 8 insertions, 8 deletions
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index 622568c7a9b8..31dfef6a4121 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -177,7 +177,8 @@ $(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF)
-I$(if $(OUTPUT),$(OUTPUT),.) \
-I$(srctree)/tools/include/uapi/ \
-I$(LIBBPF_INCLUDE) \
- -g -O2 -Wall -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@
+ -g -O2 -Wall -target bpf -c $< -o $@
+ $(Q)$(LLVM_STRIP) -g $@
$(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP)
$(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen skeleton $< > $@
@@ -192,10 +193,10 @@ endif
CFLAGS += $(if $(BUILD_BPF_SKELS),,-DBPFTOOL_WITHOUT_SKELETONS)
$(BOOTSTRAP_OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
- $(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD -o $@ $<
+ $(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD $< -o $@
$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
- $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
+ $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< -o $@
$(OUTPUT)feature.o:
ifneq ($(feature-zlib), 1)
@@ -203,17 +204,16 @@ ifneq ($(feature-zlib), 1)
endif
$(BPFTOOL_BOOTSTRAP): $(BOOTSTRAP_OBJS) $(LIBBPF_BOOTSTRAP)
- $(QUIET_LINK)$(HOSTCC) $(CFLAGS) $(LDFLAGS) -o $@ $(BOOTSTRAP_OBJS) \
- $(LIBS_BOOTSTRAP)
+ $(QUIET_LINK)$(HOSTCC) $(CFLAGS) $(LDFLAGS) $(BOOTSTRAP_OBJS) $(LIBS_BOOTSTRAP) -o $@
$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
- $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
+ $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o $@
$(BOOTSTRAP_OUTPUT)%.o: %.c $(LIBBPF_INTERNAL_HDRS) | $(BOOTSTRAP_OUTPUT)
- $(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD -o $@ $<
+ $(QUIET_CC)$(HOSTCC) $(CFLAGS) -c -MMD $< -o $@
$(OUTPUT)%.o: %.c
- $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
+ $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< -o $@
feature-detect-clean:
$(call QUIET_CLEAN, feature-detect)