--- install-info.c.orig	2021-01-29 13:36:27.000000000 +0100
+++ install-info.c	2021-01-29 13:36:57.531524504 +0100
@@ -876,13 +876,13 @@
     }
   else
     {
-#if O_BINARY
+/*#if O_BINARY*/
       /* Since this is a text file, and we opened it in binary mode,
          switch back to text mode.  */
-      f = freopen (*opened_filename, "r", f);
+      f = freopen (*opened_filename, "r", stdin);
       if (! f)
 	return 0;
-#endif
+/*#endif*/
     }
 
   return f;