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-rw-r--r--tools/testing/selftests/bpf/Makefile5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 333a48655ee0..9316e648a880 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
+
LIBDIR := ../../../lib
BPFDIR := $(LIBDIR)/bpf
APIDIR := ../../../include/uapi
@@ -10,7 +11,7 @@ ifneq ($(wildcard $(GENHDR)),)
endif
CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) -I../../../include
-LDLIBS += -lcap -lelf
+LDLIBS += -lcap -lelf -lrt
TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
test_align test_verifier_log test_dev_cgroup
@@ -38,7 +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.