diff -ur texinfo-6.6.orig/info/man.c texinfo-6.6/info/man.c
--- texinfo-6.6.orig/info/man.c	2019-03-08 16:34:38.634930145 -0500
+++ texinfo-6.6/info/man.c	2019-03-08 16:41:52.845293995 -0500
@@ -414,7 +414,7 @@
   int bsize = 0;
   int bindex = 0;
   int select_result;
-#if defined (FD_SET)
+#if defined (FD_SET) && !defined(__MINGW32__)
   fd_set read_fds;
 
   timeout.tv_sec = 15;
diff -ur texinfo-6.6.orig/info/pcterm.c texinfo-6.6/info/pcterm.c
--- texinfo-6.6.orig/info/pcterm.c	2019-03-08 16:34:38.630930050 -0500
+++ texinfo-6.6/info/pcterm.c	2019-03-08 16:41:52.845293995 -0500
@@ -1679,7 +1679,7 @@
 }
 
 /* These should never be called, but they make the linker happy.  */
-
+#ifndef __MINGW32__
 int       tputs (const char *a, int b, int (*c)(int))
 {
   perror ("tputs"); return 0; /* here and below, added dummy retvals */
@@ -1719,3 +1719,4 @@
 {
   perror ("tcsetattr"); return 0;
 }
+#endif
Only in texinfo-6.6/info: pcterm.c.orig
diff -ur texinfo-6.6.orig/info/session.c texinfo-6.6/info/session.c
--- texinfo-6.6.orig/info/session.c	2019-03-08 16:34:38.634930145 -0500
+++ texinfo-6.6/info/session.c	2019-03-08 16:41:52.849294091 -0500
@@ -453,7 +453,7 @@
     space_avail = sizeof (info_input_buffer) - (push_index - pop_index);
 
   /* If we can just find out how many characters there are to read, do so. */
-#if defined (FIONREAD)
+#if defined (FIONREAD) && !defined(__MINGW32__)
   {
     ioctl (tty, FIONREAD, &chars_avail);
 
@@ -645,7 +645,7 @@
       if (in_map && pop_index == push_index)
         {
           int ready = 0;
-#if defined (FD_SET)
+#if defined (FD_SET) && !defined(__MINGW32__)
           struct timeval timer, *timerp = 0;
           fd_set readfds;
 
@@ -750,7 +750,7 @@
 void
 pause_or_input (void)
 {
-#ifdef FD_SET
+#if defined (FD_SET) && !defined(__MINGW32__)
   struct timeval timer;
   fd_set readfds;
 #endif
@@ -758,7 +758,7 @@
   if (pop_index != push_index)
     return; /* Input is already waiting. */
 
-#ifdef FD_SET
+#if defined (FD_SET) && !defined(__MINGW32__)
   FD_ZERO (&readfds);
   FD_SET (fileno (stdin), &readfds);
   timer.tv_sec = 2;
@@ -5433,7 +5433,7 @@
       ready = 1;
       if (!info_any_buffered_input_p ())
         {
-#if defined (FD_SET)
+#if defined (FD_SET) && !defined(__MINGW32__)
           struct timeval timer;
           fd_set readfds;
 
Only in texinfo-6.6/info: session.c.orig
diff -ur texinfo-6.6.orig/tp/texi2any.pl texinfo-6.6/tp/texi2any.pl
--- texinfo-6.6.orig/tp/texi2any.pl	2019-03-08 16:34:38.490926704 -0500
+++ texinfo-6.6/tp/texi2any.pl	2019-03-08 16:41:52.849294091 -0500
@@ -54,7 +54,7 @@
   my $updir = File::Spec->updir();
 
   # These are substituted by the Makefile to create "texi2any".
-  my $datadir = '@datadir@';
+  my $datadir = '/usr/share';
   my $package = '@PACKAGE@';
   my $packagedir = '@pkglibdir@';
 
Only in texinfo-6.6/tp: texi2any.pl.orig