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| author | Joe Stringer <joe@wand.net.nz> | 2018-05-11 00:26:51 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-05-11 01:32:07 +0200 |
| commit | 91bc07c9e8a0d553250275088fad337806f5a3cf (patch) | |
| tree | ba1af82cbe6a05a8756c623b5f30cffc37f2dbd5 /tools | |
| parent | Merge branch 'bpf-fib-lookup-helper' (diff) | |
| download | linux-91bc07c9e8a0d553250275088fad337806f5a3cf.tar.xz linux-91bc07c9e8a0d553250275088fad337806f5a3cf.zip | |
selftests/bpf: Fix bash reference in Makefile
'|& ...' is a bash 4.0+ construct which is not guaranteed to be available
when using '$(shell ...)' in a Makefile. Fall back to the more portable
'2>&1 | ...'.
Fixes the following warning during compilation:
/bin/sh: 1: Syntax error: "&" unexpected
Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/bpf/Makefile | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 9d762184b805..79d29d6cc719 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -90,9 +90,9 @@ CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \ $(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline $(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline -BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help |& grep dwarfris) -BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help |& grep BTF) -BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --version |& grep LLVM) +BTF_LLC_PROBE := $(shell $(LLC) -march=bpf -mattr=help 2>&1 | grep dwarfris) +BTF_PAHOLE_PROBE := $(shell $(BTF_PAHOLE) --help 2>&1 | grep BTF) +BTF_OBJCOPY_PROBE := $(shell $(LLVM_OBJCOPY) --version 2>&1 | grep LLVM) ifneq ($(BTF_LLC_PROBE),) ifneq ($(BTF_PAHOLE_PROBE),) |