--- pkgfile-19/src/pkgfile.c.orig	2018-11-26 10:15:54.557508000 +0300
+++ pkgfile-19/src/pkgfile.c	2018-11-26 10:16:07.630330900 +0300
@@ -8,6 +8,9 @@
 #include <sys/mman.h>
 #include <sys/time.h>
 #include <unistd.h>
+#if defined(__CYGWIN__)
+#include <alloca.h>
+#endif
 
 #include "macro.h"
 #include "match.h"
