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Message-Id: <20190916105433.11404-2-ivan.khoronzhuk@linaro.org>
Date: Mon, 16 Sep 2019 13:54:20 +0300
From: Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
To: ast@...nel.org, daniel@...earbox.net, yhs@...com,
davem@...emloft.net, jakub.kicinski@...ronome.com, hawk@...nel.org,
john.fastabend@...il.com
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
bpf@...r.kernel.org, clang-built-linux@...glegroups.com,
sergei.shtylyov@...entembedded.com,
Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
Subject: [PATCH v3 bpf-next 01/14] samples: bpf: makefile: fix HDR_PROBE "echo"
echo should be replaced with echo -e to handle '\n' correctly, but
instead, replace it with printf as some systems can't handle echo -e.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
---
samples/bpf/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 1d9be26b4edd..f50ca852c2a8 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -201,7 +201,7 @@ endif
# Don't evaluate probes and warnings if we need to run make recursively
ifneq ($(src),)
-HDR_PROBE := $(shell echo "\#include <linux/types.h>\n struct list_head { int a; }; int main() { return 0; }" | \
+HDR_PROBE := $(shell printf "\#include <linux/types.h>\n struct list_head { int a; }; int main() { return 0; }" | \
$(HOSTCC) $(KBUILD_HOSTCFLAGS) -x c - -o /dev/null 2>/dev/null && \
echo okay)
--
2.17.1
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