From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Date: Fri, 11 Oct 2019 03:28:06 +0300
Subject: samples/bpf: Provide C/LDFLAGS to libbpf
Patch-mainline: v5.5-rc1
Git-commit: d8ceae91e9f031232d225a7159cca36e9eefdf85
References: bsc#1177028
In order to build lib using C/LD flags of target arch, provide them
to libbpf make.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20191011002808.28206-14-ivan.khoronzhuk@linaro.org
Acked-by: Gary Lin <glin@suse.com>
---
samples/bpf/Makefile | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- 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__)