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-rwxr-xr-xhack/systemd_tag.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/hack/systemd_tag.sh b/hack/systemd_tag.sh
index 19a7bf6a6..5af322881 100755
--- a/hack/systemd_tag.sh
+++ b/hack/systemd_tag.sh
@@ -1,5 +1,5 @@
#!/usr/bin/env bash
-cc -E - > /dev/null 2> /dev/null << EOF
+${CPP:-${CC:-cc} -E} ${CPPFLAGS} - > /dev/null 2> /dev/null << EOF
#include <systemd/sd-daemon.h>
EOF
if test $? -eq 0 ; then