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authorIvan Khoronzhuk <ivan.khoronzhuk@linaro.org>2019-10-11 03:27:54 +0300
committerAlexei Starovoitov <ast@kernel.org>2019-10-12 16:08:58 -0700
commitcdd5b2d1fc86f8dda383d4f0b4ac9b533539e76a (patch)
tree50f8f4d346bf45a7f7142c5ae583f9bf0391f941 /samples
parente78dcbf414545b53218dab0fb5af5d6b61513eaf (diff)
downloadlinux-cdd5b2d1fc86f8dda383d4f0b4ac9b533539e76a.tar.bz2
samples/bpf: 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@linaro.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20191011002808.28206-2-ivan.khoronzhuk@linaro.org
Diffstat (limited to 'samples')
-rw-r--r--samples/bpf/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index a11d7270583d..4f61725b1d86 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)