bpftool: Allow add linker flags via EXTRA_LDFLAGS variable (c8506165) · Commits · 戴 / test

Adding EXTRA_LDFLAGS allowing user to specify extra flags for LD_FLAGS variable. Also adding LDFLAGS to build command line. Signed-off-by:

tools/bpf/bpftool/Makefile

+4 −1

Original line number	Diff line number	Diff line
		@@ -49,6 +49,9 @@ CFLAGS += -DBPFTOOL_VERSION='"$(BPFTOOL_VERSION)"'
		ifneq ($(EXTRA_CFLAGS),)
		CFLAGS += $(EXTRA_CFLAGS)
		endif
		ifneq ($(EXTRA_LDFLAGS),)
		LDFLAGS += $(EXTRA_LDFLAGS)
		endif

		LIBS = -lelf -lbfd -lopcodes $(LIBBPF)

		@@ -94,7 +97,7 @@ $(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
		$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<

		$(OUTPUT)bpftool: $(OBJS) $(LIBBPF)
		$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
		$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)

		$(OUTPUT)%.o: %.c
		$(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<