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From:   Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
To:     ast@kernel.org, daniel@iogearbox.net, yhs@fb.com,
        davem@davemloft.net, jakub.kicinski@netronome.com, hawk@kernel.org,
        john.fastabend@gmail.com
Cc:     linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
        bpf@vger.kernel.org, clang-built-linux@googlegroups.com,
        ilias.apalodimas@linaro.org, sergei.shtylyov@cogentembedded.com,
        Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Subject: [PATCH v5 bpf-next 13/15] samples/bpf: provide C/LDFLAGS to libbpf
Date:   Fri, 11 Oct 2019 03:28:06 +0300
Message-Id: <20191011002808.28206-14-ivan.khoronzhuk@linaro.org>
In-Reply-To: <20191011002808.28206-1-ivan.khoronzhuk@linaro.org>
References: <20191011002808.28206-1-ivan.khoronzhuk@linaro.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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(-)

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__)
-- 
2.17.1