1 files changed, 5 insertions, 0 deletions
diff --git a/cpufreq.h b/cpufreq.h
index f950339..5b13010 100644
--- a/cpufreq.h
+++ b/cpufreq.h
@@ -1,2 +1,7 @@
+#ifndef HAVE_CPUFREQ_H
+#define HAVE_CPUFREQ_H
+
 int cpufreq_set_str(char *parameter,char *value,int checkdelay);
 int cpufreq_set_long_int(char *parameter,long int value,int checkdelay);
+
+#endif