diff --git a/emulators/hercules/files/patch-compile.h b/emulators/hercules/files/patch-compile.h
new file mode 100644
index 000000000000..eb6811ab7f26
--- /dev/null
+++ b/emulators/hercules/files/patch-compile.h
@@ -0,0 +1,151 @@
+diff -ur ./cckddasd.c ../../work/hercules-2.17.1/cckddasd.c
+--- ./cckddasd.c	Fri Jan 24 16:53:54 2003
++++ ../../work/hercules-2.17.1/cckddasd.c	Mon Apr 28 20:41:10 2003
+@@ -2987,7 +2987,11 @@
+     if (rc < hrc) hrc = rc;
+ 
+     if (cckdblk.fsync)
++#if defined(__linux__)
+         rc = fdatasync (cckd->fd[cckd->sfn]);
++#else
++	rc = fsync(cckd->fd[cckd->sfn]);
++#endif
+ 
+     return hrc;
+ } /* cckd_harden */
+@@ -4268,7 +4272,11 @@
+             {
+                 obtain_lock (&cckd->filelock);
+                 if (cckdblk.fsync)
++#if defined(__linux__)
+                     rc = fdatasync (cckd->fd[cckd->sfn]);
++#else
++                    rc = fsync (cckd->fd[cckd->sfn]);
++#endif
+                 cckd_flush_space (dev);
+                 cckd_truncate (dev, 0);
+                 release_lock (&cckd->filelock);
+diff -ur ./ctc_ctci.c ../../work/hercules-2.17.1/ctc_ctci.c
+--- ./ctc_ctci.c	Sat Feb  1 20:34:57 2003
++++ ../../work/hercules-2.17.1/ctc_ctci.c	Mon Apr 28 20:38:32 2003
+@@ -9,7 +9,7 @@
+ // linux 2.4 modifications (c) Copyright Fritz Elfert, 2001-2003
+ //
+ 
+-#if !defined(__APPLE__)
++#if !defined(__APPLE__) && !defined(__FreeBSD__)
+ 
+ #include "hercules.h"
+ #include "devtype.h"
+@@ -1302,4 +1302,4 @@
+ 
+     return 0;
+ }
+-#endif /* !defined(__APPLE__) */
++#endif /* !defined(__APPLE__) && !defined(__FreeBSD__) */
+diff -ur ./ctc_lcs.c ../../work/hercules-2.17.1/ctc_lcs.c
+--- ./ctc_lcs.c	Sat Feb  1 20:34:57 2003
++++ ../../work/hercules-2.17.1/ctc_lcs.c	Mon Apr 28 20:38:00 2003
+@@ -5,7 +5,7 @@
+ // Copyright (C) 2002-2003 by James A. Pierson
+ //
+ 
+-#if !defined(__APPLE__)
++#if !defined(__APPLE__) && !defined(__FreeBSD__)
+ 
+ #include "hercules.h"
+ #include "devtype.h"
+@@ -1976,4 +1983,4 @@
+ 
+     return pszBuff;
+ }
+-#endif /* !defined(__APPLE__) */
++#endif /* !defined(__APPLE__) && !defined(__FreeBSD__) */
+diff -ur ./ctcadpt.c ../../work/hercules-2.17.1/ctcadpt.c
+--- ./ctcadpt.c	Sat Feb  1 20:34:57 2003
++++ ../../work/hercules-2.17.1/ctcadpt.c	Mon Apr 28 20:39:09 2003
+@@ -17,7 +17,7 @@
+ //
+ //   Please read README.NETWORKING for more info.
+ //
+-#if !defined(__APPLE__)
++#if !defined(__APPLE__) && !defined(__FreeBSD__)
+ 
+ #include "hercules.h"
+ #include "devtype.h"
+@@ -1561,4 +1561,4 @@
+         logmsg( " %s\n", print_chars );
+     }
+ }
+-#endif /* !defined(__APPLE__) */
++#endif /* !defined(__APPLE__) && !defined(__FreeBSD__) */
+diff -ur ./ctcadpt.h ../../work/hercules-2.17.1/ctcadpt.h
+--- ./ctcadpt.h	Mon Jan 20 04:23:51 2003
++++ ../../work/hercules-2.17.1/ctcadpt.h	Mon Apr 28 20:24:47 2003
+@@ -93,7 +93,9 @@
+ #define FRAME_TYPE_IP   0x0800
+ #define FRAME_TYPE_ARP  0x0806
+ #define FRAME_TYPE_SNA  0x80D5
+-
++#ifndef IFHWADDRLEN
++#define IFHWADDRLEN	6
++#endif
+ typedef uint8_t MAC[IFHWADDRLEN];       // Data Type for MAC Addresses
+ 
+ // ---------------------------------------------------------------------
+diff -ur ./devtype.c ../../work/hercules-2.17.1/devtype.c
+--- ./devtype.c	Sat Feb  1 20:34:57 2003
++++ ../../work/hercules-2.17.1/devtype.c	Mon Apr 28 20:39:35 2003
+@@ -51,13 +51,13 @@
+     { "3270", 0x3270, &loc3270_device_hndinfo },
+     { "3287", 0x3287, &loc3270_device_hndinfo },
+ 
+-#   if !defined(__APPLE__)
++#   if !defined(__APPLE__) && !defined(__FreeBSD__)
+     /* Communications devices */
+     { "3088",  0x3088, &ctcadpt_device_hndinfo },
+     { "CTCI",  0x3088, &ctcadpt_device_hndinfo },
+     { "CTCT",  0x3088, &ctcadpt_device_hndinfo },
+     { "LCS",   0x3088, &ctcadpt_device_hndinfo },
+     { "VMNET", 0x3088, &ctcadpt_device_hndinfo },
+-#   endif /* !defined(__APPLE__) */
++#   endif /* !defined(__APPLE__) && !defined(__FreeBSD__) */
+ 
+     { NULL, 0, NULL } };
+diff -ur ./tapedev.c ../../work/hercules-2.17.1/tapedev.c
+--- ./tapedev.c	Sat Feb  1 20:34:57 2003
++++ ../../work/hercules-2.17.1/tapedev.c	Mon Apr 28 20:37:20 2003
+@@ -2,6 +2,9 @@
+ /* JCS - minor changes by John Summerfield                           */
+ /*              ESA/390 Tape Device Handler                          */
+ 
++#if defined(__FreeBSD__)
++#define __APPLE__
++#endif
+ /*-------------------------------------------------------------------*/
+ /* This module contains device handling functions for emulated       */
+ /* 3420 magnetic tape devices for the Hercules ESA/390 emulator.     */
+diff -ur ./tuntap.c ../../work/hercules-2.17.1/tuntap.c
+--- ./tuntap.c	Sat Feb  1 20:34:57 2003
++++ ../../work/hercules-2.17.1/tuntap.c	Mon Apr 28 20:35:31 2003
+@@ -14,13 +14,13 @@
+ // This abstraction layer is an attempt to create a common API set
+ // that works on all platforms with (hopefully) equal results.
+ 
+-#if !defined(__APPLE__) 
++#if !defined(__APPLE__) && !defined(__FreeBSD__)
+ #include "hercules.h"
+ #include "tuntap.h"
+ #include "devtype.h"
+ #include "ctcadpt.h"
+ #include "hercifc.h"
+ 
+ #if defined( WIN32 )
+ #include "w32ctca.h"
+ #endif
+@@ -609,4 +610,4 @@
+ }
+ 
+ #endif // !defined( WIN32 )
+-#endif /* !defined(__APPLE__) */
++#endif /* !defined(__APPLE__) && !defined(__FreeBSD__) */