diff -ru a/mpcenc/keyboard.c b/mpcenc/keyboard.c
--- a/mpcenc/keyboard.c	2006-12-19 21:39:02.000000000 +0200
+++ b/mpcenc/keyboard.c	2020-11-20 22:57:38.887871813 +0200
@@ -17,6 +17,7 @@
  */
 
 #include "mpcenc.h"
+#include <sys/time.h>
 
 #if defined _WIN32  ||  defined __TURBOC__
 
diff -ru a/mpcenc/mpcenc.c b/mpcenc/mpcenc.c
--- a/mpcenc/mpcenc.c	2009-08-26 23:39:06.000000000 +0300
+++ b/mpcenc/mpcenc.c	2020-11-20 22:26:44.207719376 +0200
@@ -1450,6 +1450,11 @@
     FPU_GETCW ( cw );
     cw  &=  ~0x300;
 	FPU_SETCW ( cw );
+#elif defined __i386__
+    // replaced _FPU_GETCW and _FPU_SETCW with code from glibc (sysdeps/x86/fpu_control.h)
+    __asm__ __volatile__ ("fnstcw %0" : "=m" (*&cw))
+    cw  &=  ~0x300;
+	__asm__ __volatile__ ("fldcw %0" : : "m" (*&cw))
 #elif defined __MINGW32__
     __asm__ ("fnstcw %0" : "=m" (*&cw));
     cw  &=  ~0x300;
diff -ru a/mpcenc/mpcenc.h b/mpcenc/mpcenc.h
--- a/mpcenc/mpcenc.h	2009-02-23 20:15:46.000000000 +0200
+++ b/mpcenc/mpcenc.h	2020-11-20 23:03:13.545972208 +0200
@@ -50,15 +50,6 @@
 # include <unistd.h>
 #endif
 
-#if   defined __linux__
-#  include <fpu_control.h>
-#elif defined __FreeBSD__
-# include <machine/floatingpoint.h>
-#elif defined _MSC_VER
-# include <float.h>
-#endif
-
-
 #if !defined(__APPLE__)
 // use optimized assembler routines for Pentium III/K6-2/Athlon (only 32 bit OS, Intel x86 and no MAKE_xxBITS)
 // you need the NASM assembler on your system, the program becomes a little bit larger and decoding