diff -uNr gtkwave-3.3.103/src/regex.c gtkwave-3.3.103.mod/src/regex.c
--- gtkwave-3.3.103/src/regex.c	2019-11-11 08:04:52.000000000 +0200
+++ gtkwave-3.3.103.mod/src/regex.c	2020-02-11 13:48:48.625657407 +0200
@@ -24,7 +24,6 @@
 #ifdef __linux__
 #include <sys/types.h>
 #include <stdlib.h>
-#include <regex.h>
 #else
 #if defined __CYGWIN__ || defined __MINGW32__
 #include <sys/types.h>