diff --git a/goldlib/gall/gfilutil.h b/goldlib/gall/gfilutil.h
index 91a7428..2a48fb2 100644
--- a/goldlib/gall/gfilutil.h
+++ b/goldlib/gall/gfilutil.h
@@ -46,7 +46,7 @@
 #include <cstdio>
 #include <string>
 #include <gshare.h>
-#if !defined(__UNIX__)
+#if !defined(__UNIX__) || defined(__DJGPP__)
 #include <io.h>
 #endif
 #include <gdefs.h>
@@ -59,6 +59,12 @@
 #define O_TEXT 0
 #define O_BINARY 0
 #endif
+#ifndef O_TEXT
+#define O_TEXT 0
+#endif
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
 #endif
 
 #ifndef S_IWUSR