configure: add '-Wundef' to warning flags

[lttng-tools.git] / src / bin / lttng-sessiond / modprobe.cpp

diff --git a/src/bin/lttng-sessiond/modprobe.cpp b/src/bin/lttng-sessiond/modprobe.cpp
index 4c1d62b486e2b37f4181f398a7c03da58289b65d..9f6c4a9c3edabb8e64b39de0c8087d54bee0d669 100644 (file)
--- a/src/bin/lttng-sessiond/modprobe.cpp
+++ b/src/bin/lttng-sessiond/modprobe.cpp
@@ -242,7 +242,7 @@ static struct kern_modules_param *probes;
 static int nr_probes;
 static int probes_capacity;
 
-#if HAVE_KMOD
+#ifdef HAVE_KMOD
 #include <libkmod.h>
 
 /**