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authorBrenden Blanco <bblanco@plumgrid.com>2015-05-11 21:25:51 -0700
committerDavid S. Miller <davem@davemloft.net>2015-05-12 23:15:25 -0400
commitb88c06e36dcb9b4ae285f7821f62d68dc34b25d3 (patch)
treedba8640049e05108c29c67b629745c9691a816e9 /samples/bpf
parent1ecc7b7a5998eb8fc4e9f79979638e77436b0b0b (diff)
downloadop-kernel-dev-b88c06e36dcb9b4ae285f7821f62d68dc34b25d3.zip
op-kernel-dev-b88c06e36dcb9b4ae285f7821f62d68dc34b25d3.tar.gz
samples/bpf: fix in-source build of samples with clang
in-source build of 'make samples/bpf/' was incorrectly using default compiler instead of invoking clang/llvm. out-of-source build was ok. Fixes: a80857822b0c ("samples: bpf: trivial eBPF program in C") Signed-off-by: Brenden Blanco <bblanco@plumgrid.com> Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples/bpf')
-rw-r--r--samples/bpf/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 76e3458..8fdbd73 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -44,7 +44,7 @@ HOSTLOADLIBES_tracex4 += -lelf -lrt
# point this to your LLVM backend with bpf support
LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc
-%.o: %.c
+$(obj)/%.o: $(src)/%.c
clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \
-D__KERNEL__ -Wno-unused-value -Wno-pointer-sign \
-O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@
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