--- a/bmsd/bms.h	Thu May 07 14:59:50 2020 +0200
+++ b/bmsd/bms.h	Mon May 11 17:32:08 2020 +0200
@@ -40,6 +40,7 @@
 #include <math.h>
 #include <assert.h>
 #include <libgen.h>
+#include <pthread.h>
 #include <libxml/xmlmemory.h>
 #include <libxml/parser.h>
 #include <libxml/encoding.h>