samples/bpf: Provide C/LDFLAGS to libbpf

In order to build lib using C/LD flags of target arch, provide them to libbpf make. Signed-off-by: Ivan Khoronzhuk <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
laijs · Oct 12, 2019 · d8ceae9 · d8ceae9
1 parent 793a349
commit d8ceae9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
@@ -248,7 +248,8 @@ clean:
 
 $(LIBBPF): FORCE
 # Fix up variables inherited from Kbuild that tools/ build system won't like
-	$(MAKE) -C $(dir $@) RM='rm -rf' LDFLAGS= srctree=$(BPF_SAMPLES_PATH)/../../ O=
+	$(MAKE) -C $(dir $@) RM='rm -rf' EXTRA_CFLAGS="$(TPROGS_CFLAGS)" \
+		LDFLAGS=$(TPROGS_LDFLAGS) srctree=$(BPF_SAMPLES_PATH)/../../ O=
 
 $(obj)/syscall_nrs.h:	$(obj)/syscall_nrs.s FORCE
 	$(call filechk,offsets,__SYSCALL_NRS_H__)