diff -ru --new-file a/configure b/configure

--- a/configure	2014-11-12 06:59:57.000000000 -0500

+++ b/configure	2016-01-25 18:26:47.000000000 -0500

@@ -17133,7 +17133,7 @@

   i?86-*-freebsd* | i?86-*-openbsd*)

 	TARGET=X86_FREEBSD; TARGETDIR=x86

 	;;

-  i?86-win32* | i?86-*-cygwin* | i?86-*-mingw* | i?86-*-os2* | i?86-*-interix*)

+  i?86-win32* | i?86-*-cygwin* | i?86-*-mingw* | i?86-*-os2* | i?86-*-interix* | i?86-*-midipix*)

 	TARGET=X86_WIN32; TARGETDIR=x86

 	# All mingw/cygwin/win32 builds require -no-undefined for sharedlib.

 	# We must also check with_cross_host to decide if this is a native

@@ -17161,7 +17161,7 @@

 	TARGET=X86_DARWIN; TARGETDIR=x86

 	;;

-  x86_64-*-cygwin* | x86_64-*-mingw*)

+  x86_64-*-cygwin* | x86_64-*-mingw* | x86_64-*-midipix*)

 	TARGET=X86_WIN64; TARGETDIR=x86

 	# All mingw/cygwin/win32 builds require -no-undefined for sharedlib.

 	# We must also check with_cross_host to decide if this is a native

diff -ru --new-file a/src/closures.c b/src/closures.c

--- a/src/closures.c	2014-11-08 07:47:24.000000000 -0500

+++ b/src/closures.c	2016-01-25 17:57:43.000000000 -0500

@@ -26,6 +26,25 @@

    DEALINGS IN THE SOFTWARE.

    ----------------------------------------------------------------------- */

+#ifdef __midipix__

+

+#include <stdlib.h>

+

+void * ffi_closure_alloc (size_t size, void ** code)

+{

+	if (code)

+		return (*code = malloc(size));

+	else

+		return 0;

+}

+

+void ffi_closure_free (void * addr)

+{

+	free(addr);

+}

+

+#else

+

 #if defined __linux__ && !defined _GNU_SOURCE

 #define _GNU_SOURCE 1

 #endif

@@ -686,3 +705,4 @@

 # endif /* ! FFI_MMAP_EXEC_WRIT */

 #endif /* FFI_CLOSURES */

+#endif

diff -ru --new-file a/src/x86/ffi.c b/src/x86/ffi.c

--- a/src/x86/ffi.c	2014-11-08 07:47:24.000000000 -0500

+++ b/src/x86/ffi.c	2016-01-25 17:52:14.000000000 -0500

@@ -31,8 +31,12 @@

 #if !defined(__x86_64__) || defined(_WIN64) || defined(__CYGWIN__)

 #ifdef _WIN64

+#ifdef __midipix__

+/* not needed */

+#else

 #include <windows.h>

 #endif

+#endif

 #include <ffi.h>

 #include <ffi_common.h>

diff -ru --new-file a/src/x86/win32.S b/src/x86/win32.S

--- a/src/x86/win32.S	2014-11-11 09:41:37.000000000 -0500

+++ b/src/x86/win32.S	2016-01-25 18:36:49.000000000 -0500

@@ -1344,6 +1344,14 @@

         .align 4

 .LEFDE5:

+#ifdef __midipix__

+	.section .got$ffi_call_win32,"r"

+	.global __imp_ffi_call_win32

+__imp_ffi_call_win32:

+	.long	ffi_call_win32

+	.linkonce discard

+#endif

+

 #endif /* !_MSC_VER */

 #if defined __ELF__ && defined __linux__

diff -ru --new-file a/src/x86/win64.S b/src/x86/win64.S

--- a/src/x86/win64.S	2014-11-08 07:47:24.000000000 -0500

+++ b/src/x86/win64.S	2016-01-25 17:47:17.000000000 -0500

@@ -516,5 +516,15 @@

 	pop	%rbp

 	retq

 	.seh_endproc

+

+

+#ifdef __midipix__

+	.section .got$ffi_call_win64,"r"

+	.global __imp_ffi_call_win64

+__imp_ffi_call_win64:

+	.quad	ffi_call_win64

+	.linkonce discard

+#endif

+

 #endif /* !_MSC_VER */

--- libffi-3.2.1/src/x86/win32.S.orig2	2016-05-31 09:21:19.120895425 +0000

+++ libffi-3.2.1/src/x86/win32.S	2016-05-31 09:22:19.252894091 +0000

@@ -529,7 +529,9 @@

         # This assumes we are using gas.

         .balign 16

+#ifndef __midipix__

 FFI_HIDDEN(ffi_call_win32)

+#endif

         .globl	USCORE_SYMBOL(ffi_call_win32)

 #if defined(X86_WIN32) && !defined(__OS2__)

         .def	_ffi_call_win32;	.scl	2;	.type	32;	.endef

@@ -712,7 +714,9 @@

         ret

 .ffi_call_win32_end:

         .balign 16

+#ifndef __midipix__

 FFI_HIDDEN(ffi_closure_THISCALL)

+#endif

         .globl	USCORE_SYMBOL(ffi_closure_THISCALL)

 #if defined(X86_WIN32) && !defined(__OS2__)

         .def	_ffi_closure_THISCALL;	.scl	2;	.type	32;	.endef

@@ -725,7 +729,9 @@

         jmp	.ffi_closure_STDCALL_internal

         .balign 16

+#ifndef __midipix__

 FFI_HIDDEN(ffi_closure_FASTCALL)

+#endif

         .globl	USCORE_SYMBOL(ffi_closure_FASTCALL)

 #if defined(X86_WIN32) && !defined(__OS2__)

         .def	_ffi_closure_FASTCALL;	.scl	2;	.type	32;	.endef

@@ -737,7 +743,9 @@

         push	%edx

         push	%ecx

         jmp	.ffi_closure_STDCALL_internal

+#ifndef __midipix__

 FFI_HIDDEN(ffi_closure_REGISTER)

+#endif

         .globl	USCORE_SYMBOL(ffi_closure_REGISTER)

 #if defined(X86_WIN32) && !defined(__OS2__)

         .def	_ffi_closure_REGISTER;	.scl	2;	.type	32;	.endef

@@ -754,7 +762,9 @@

 .LFE1:

         # This assumes we are using gas.

         .balign 16

+#ifndef __midipix__

 FFI_HIDDEN(ffi_closure_SYSV)

+#endif

 #if defined(X86_WIN32)

         .globl	USCORE_SYMBOL(ffi_closure_SYSV)

 #if defined(X86_WIN32) && !defined(__OS2__)

@@ -898,7 +908,9 @@

 #ifdef X86_WIN32

         .balign 16

+#ifndef __midipix__

 FFI_HIDDEN(ffi_closure_raw_THISCALL)

+#endif

         .globl	USCORE_SYMBOL(ffi_closure_raw_THISCALL)

 #if defined(X86_WIN32) && !defined(__OS2__)

         .def	_ffi_closure_raw_THISCALL;	.scl	2;	.type	32;	.endef

@@ -1040,7 +1052,9 @@

         # This assumes we are using gas.

         .balign	16

+#ifndef __midipix__

 FFI_HIDDEN(ffi_closure_STDCALL)

+#endif

         .globl	USCORE_SYMBOL(ffi_closure_STDCALL)

 #if defined(X86_WIN32) && !defined(__OS2__)

         .def	_ffi_closure_STDCALL;	.scl	2;	.type	32;	.endef

@@ -1345,10 +1359,17 @@

 .LEFDE5:

 #ifdef __midipix__

+#if defined(SYMBOL_UNDERSCORE)

+	.section .got$ffi__call_win32,"r"

+	.global __imp__ffi_call_win32

+__imp__ffi_call_win32:

+	.long	_ffi_call_win32

+#else

 	.section .got$ffi_call_win32,"r"

 	.global __imp_ffi_call_win32

 __imp_ffi_call_win32:

 	.long	ffi_call_win32

+#endif

 	.linkonce discard

 #endif