diff -uNr boinc-client_release-7.14-7.14.3/lib/synch.h boinc-client_release-7.14-7.14.3.mod/lib/synch.h
--- boinc-client_release-7.14-7.14.3/lib/synch.h	2020-03-10 01:47:48.000000000 +0000
+++ boinc-client_release-7.14-7.14.3.mod/lib/synch.h	2020-03-20 10:26:50.144236854 +0000
@@ -18,7 +18,7 @@
 #ifndef BOINC_SYNCH_H
 #define BOINC_SYNCH_H
 
-#include <sys/sem.h>
+#include <linux/sem.h>
 
 extern int create_semaphore(key_t);
 extern int destroy_semaphore(key_t);