[v5,bpf-next,13/15] samples/bpf: provide C/LDFLAGS to libbpf

Message ID 20191011002808.28206-14-ivan.khoronzhuk@linaro.org
State New
Headers show
Series
  • samples: bpf: improve/fix cross-compilation
Related show

Commit Message

Ivan Khoronzhuk Oct. 11, 2019, 12:28 a.m.
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>

---
 samples/bpf/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

-- 
2.17.1

Patch

diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index a6c33496e8ca..6b161326ac67 100644
--- 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__)