Make the main() functions in the probing code proper prototypes so that
compiling the probing code with more strict flags won't generate false
negatives.
<stdin>:1:5: error: function declaration isn’t a prototype [-Werror=strict-prototypes]
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
tools/testing/selftests/kvm/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index d761a77c3a80..c22c3002492d 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -196,11 +196,11 @@ CFLAGS += -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99 \
-I$(<D) -Iinclude/$(ARCH_DIR) -I ../rseq -I.. $(EXTRA_CFLAGS) \
$(KHDR_INCLUDES)
-no-pie-option := $(call try-run, echo 'int main() { return 0; }' | \
+no-pie-option := $(call try-run, echo 'int main(void) { return 0; }' | \
$(CC) -Werror -no-pie -x c - -o "$$TMP", -no-pie)
# On s390, build the testcases KVM-enabled
-pgste-option = $(call try-run, echo 'int main() { return 0; }' | \
+pgste-option = $(call try-run, echo 'int main(void) { return 0; }' | \
$(CC) -Werror -Wl$(comma)--s390-pgste -x c - -o "$$TMP",-Wl$(comma)--s390-pgste)
LDLIBS += -ldl
--
2.39.0.rc1.256.g54fd8350bd-goog
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