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-rw-r--r--Makefile.rules2
1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile.rules b/Makefile.rules
index 50fe0a017d..9138b35ed9 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -286,7 +286,7 @@ $(foreach b, $(cts_boards), \
)
cov-test-targets=$(foreach t,$(test-list-host),build/host/$(t).info)
-bldversion=$(shell (./util/getversion.sh ; echo VERSION) | $(CPP) -P)
+bldversion=$(shell (./util/getversion.sh ; echo VERSION) | $(CPP) -P -)
# lcov fails when multiple instances run at the same time.
# We need to run them sequentially by using flock