From b47d482ce92e0c6999ef8ae40c2130dce325d070 Mon Sep 17 00:00:00 2001
From: Daniel O'Connor <darius@dons.net.au>
Date: Sat, 9 Dec 2023 15:36:52 +1030
Subject: [PATCH] Update to compile on FreeBSD.

---
 Inc/orbtraceIf.h | 14 +++++++-------
 README.md        | 17 ++++++++++++++++-
 Src/nwclient.c   |  6 +++++-
 Src/orbuculum.c  | 32 +++++++++++++++++---------------
 meson.build      |  4 ++++
 5 files changed, 49 insertions(+), 24 deletions(-)

diff --git a/Inc/orbtraceIf.h b/Inc/orbtraceIf.h
index cbf1a0f5..6844b4ff 100644
--- a/Inc/orbtraceIf.h
+++ b/Inc/orbtraceIf.h
@@ -16,14 +16,14 @@
     #include <sys/ioctl.h>
     #include <libusb.h>
     #include <termios.h>
+#elif defined LINUX
+    #include <libusb-1.0/libusb.h>
+#elif defined FREEBSD
+    #include <libusb.h>
+#elif defined WIN32
+    #include <libusb.h>
 #else
-    #if defined LINUX
-        #include <libusb-1.0/libusb.h>
-    #elif defined WIN32
-        #include <libusb.h>
-    #else
-        #error "Unknown OS"
-    #endif
+    #error "Unknown OS"
 #endif
 
 #ifdef __cplusplus
diff --git a/README.md b/README.md
index a86d0c17..78767046 100644
--- a/README.md
+++ b/README.md
@@ -270,7 +270,7 @@ A udev rules files is included in ```Support/60-orbcode.rules``` The default ins
 Building on OSX
 ===============
 
-Recipie instructions courtesy of FrankTheTank;
+Recipe instructions courtesy of FrankTheTank;
 
 * `brew install libusb zmq sdl2`
 
@@ -286,6 +286,21 @@ mac. You need to watch out for Homebrew binutils...on a M1 Mac you must use the
 you need to do is move the homebrew binutils out of the way while you do the build....no big deal when you know about it.
 
 
+Building on FreeBSD
+===================
+Install dependencies:
+
+* `pkg install capstone libzmq3 ncurses libelf ninja meson`
+
+then build as normal:
+
+```
+>meson setup build
+>ninja -C build
+```
+
+Note that you will have to alter permissions of the device in `/dev/usb` (run `usbconfig` to find the numbers). This could be automated with a `devd` file.
+
 Building on Windows
 ===================
 
diff --git a/Src/nwclient.c b/Src/nwclient.c
index 39a5a941..606f5831 100644
--- a/Src/nwclient.c
+++ b/Src/nwclient.c
@@ -20,6 +20,10 @@
     #include <string.h>
     #include <poll.h>
 #endif
+#ifdef FREEBSD
+    #include <sys/types.h>
+    #include <sys/socket.h>
+#endif
 #ifdef LINUX
     #include <linux/tcp.h>
 #endif
@@ -37,7 +41,7 @@
     #define MSG_DONTWAIT 0
 #endif
 
-#ifdef OSX
+#if defined OSX || defined FREEBSD
     #ifndef MSG_NOSIGNAL
         #define MSG_NOSIGNAL 0
     #endif
diff --git a/Src/orbuculum.c b/Src/orbuculum.c
index 43f0b5f8..e990041a 100644
--- a/Src/orbuculum.c
+++ b/Src/orbuculum.c
@@ -30,23 +30,25 @@
     #include <sys/ioctl.h>
     #include <libusb.h>
     #include <termios.h>
-#else
-    #if defined LINUX
-        #include <libusb-1.0/libusb.h>
-        #include <asm/ioctls.h>
-        #if defined TCGETS2
-            #include <asm/termios.h>
-            /* Manual declaration to avoid conflict. */
-            extern int ioctl ( int __fd, unsigned long int __request, ... ) ;
-        #else
-            #include <sys/ioctl.h>
-            #include <termios.h>
-        #endif
-    #elif defined WIN32
-        #include <libusb.h>
+#elif defined LINUX
+    #include <libusb-1.0/libusb.h>
+    #include <asm/ioctls.h>
+    #if defined TCGETS2
+        #include <asm/termios.h>
+        /* Manual declaration to avoid conflict. */
+        extern int ioctl ( int __fd, unsigned long int __request, ... ) ;
     #else
-        #error "Unknown OS"
+        #include <sys/ioctl.h>
+        #include <termios.h>
     #endif
+#elif defined FREEBSD
+    #include <libusb.h>
+    #include <sys/ioctl.h>
+    #include <termios.h>
+#elif defined WIN32
+    #include <libusb.h>
+#else
+    #error "Unknown OS"
 #endif
 #include <signal.h>
 
diff --git a/meson.build b/meson.build
index 2cc8501f..d7dac2a8 100644
--- a/meson.build
+++ b/meson.build
@@ -26,6 +26,10 @@ incdirs = include_directories(['Inc', 'Inc/external'])
 if host_machine.system() == 'windows'
 elif host_machine.system() == 'darwin'
     add_project_arguments('-DOSX', language: 'c')
+elif host_machine.system() == 'freebsd'
+    add_project_arguments('-DFREEBSD', language: 'c')
+    add_project_arguments('-ggdb', language: 'c')
+    add_project_arguments('-D_GNU_SOURCE', language: 'c')
 else
     add_project_arguments('-DLINUX', language: 'c')
     add_project_arguments('-ggdb', language: 'c')