diff -rupN readline-8.2/input.c readline-8.2-new/input.c
--- readline-8.2/input.c	2022-09-26 17:53:27.000000000 +0200
+++ readline-8.2-new/input.c	2022-10-07 11:44:02.142758291 +0200
@@ -49,7 +49,9 @@
 
 #include <signal.h>
 
+#ifndef __MINGW32__
 #include "posixselect.h"
+#endif
 #include "posixtime.h"
 
 #if defined (FIONREAD_IN_SYS_IOCTL)
@@ -151,7 +153,9 @@ int rl_timeout_remaining (unsigned int *
 
 int _rl_timeout_init (void);
 int _rl_timeout_sigalrm_handler (void);
+#if defined (_POSIXSELECT_H_)
 int _rl_timeout_select (int, fd_set *, fd_set *, fd_set *, const struct timeval *, const sigset_t *);
+#endif
 
 static void _rl_timeout_handle (void);
 #if defined (RL_TIMEOUT_USE_SIGALRM)
@@ -534,6 +538,11 @@ reset_alarm ()
   setitimer (ITIMER_REAL, &it, NULL);
 }
 #  else
+
+#    ifndef USEC_PER_SEC
+#      define USEC_PER_SEC 1000000
+#    endif
+
 static int
 set_alarm (unsigned int *secs, unsigned int *usecs)
 {
@@ -818,7 +827,7 @@ rl_getc (FILE *stream)
       /* We know at this point that _rl_caught_signal == 0 */
 
 #if defined (__MINGW32__)
-      if (isatty (fd)
+      if (isatty (fd))
 	return (_getch ());	/* "There is no error return." */
 #endif
       result = 0;
diff -rupN readline-8.2/parens.c readline-8.2-new/parens.c
--- readline-8.2/parens.c	2022-09-26 17:53:27.000000000 +0200
+++ readline-8.2-new/parens.c	2022-10-07 11:16:05.059856917 +0200
@@ -38,7 +38,9 @@
 #  include <unistd.h>
 #endif
 
+#ifndef __MINGW32__
 #include "posixselect.h"
+#endif
 
 #if defined (HAVE_STRING_H)
 #  include <string.h>