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selftests/bpf: fix Makefile for passing LLC to the command line 

Makefile has a LLC variable that is initialised to "llc", but can
theoretically be overridden from the command line ("make LLC=llc-6.0").
However, this fails because for LLVM probe check, "llc" is called
directly. Use the $(LLC) variable instead to fix this.

Fixes: 22c8852624 ("bpf: improve selftests and add tests for meta pointer")
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Quentin Monnet 2017-12-21 08:52:50 -08:00 committed by Daniel Borkmann
parent c50b7c473f
commit cd95a89282
1 changed files with 1 additions and 1 deletions
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tools/testing/selftests/bpf/Makefile
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@ -39,7 +39,7 @@ $(BPFOBJ): force
CLANG ?= clang
LLC ?= llc
PROBE := $(shell llc -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1)
PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1)
# Let newer LLVM versions transparently probe the kernel for availability
# of full BPF instruction set.