Ports: Add quake3 port :^)

Ports/quake3/patches/0003-Engine-Add-sys-select.h-include-for-Serenity.patch

@@ -0,0 +1,79 @@
+From c7106223c30a896a576c44ce735d4772c283afac Mon Sep 17 00:00:00 2001
+From: Jesse Buhagiar <jooster669@gmail.com>
+Date: Fri, 25 Mar 2022 09:40:41 +1100
+Subject: [PATCH 3/8] Engine: Add `<sys/select.h>` include for Serenity
+
+QuakeIII makes extensive use of the `select()` syscall for its' netcode.
+It seems that Linux has this in a header that isn't `<sys/select.h>`
+like us, which results in an implicit declaration error.
+---
+ code/qcommon/net_ip.c | 7 +++++++
+ code/sys/con_tty.c    | 4 ++++
+ code/sys/sys_unix.c   | 4 ++++
+ 3 files changed, 15 insertions(+)
+
+diff --git a/code/qcommon/net_ip.c b/code/qcommon/net_ip.c
+index bcccda20..ea940f59 100644
+--- a/code/qcommon/net_ip.c
++++ b/code/qcommon/net_ip.c
+@@ -81,6 +81,10 @@ static qboolean	winsockInitialized = qfalse;
+ #		include <sys/filio.h>
+ #	endif
+ 
++#ifdef __serenity__
++#include <sys/select.h>
++#endif
++
+ typedef int SOCKET;
+ #	define INVALID_SOCKET		-1
+ #	define SOCKET_ERROR			-1
+@@ -996,6 +1000,7 @@ NET_JoinMulticast
+ Join an ipv6 multicast group
+ ====================
+ */
++#ifndef __serenity__
+ void NET_JoinMulticast6(void)
+ {
+ 	int err;
+@@ -1059,6 +1064,8 @@ void NET_LeaveMulticast6()
+ 	}
+ }
+ 
++#endif
++
+ /*
+ ====================
+ NET_OpenSocks
+diff --git a/code/sys/con_tty.c b/code/sys/con_tty.c
+index 58f178ad..74e1c60d 100644
+--- a/code/sys/con_tty.c
++++ b/code/sys/con_tty.c
+@@ -34,6 +34,10 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ #include <fcntl.h>
+ #include <sys/time.h>
+ 
++#ifdef __serenity__
++#include <sys/select.h>
++#endif
++
+ /*
+ =============================================================
+ tty console routines
+diff --git a/code/sys/sys_unix.c b/code/sys/sys_unix.c
+index e0c63238..05f311bb 100644
+--- a/code/sys/sys_unix.c
++++ b/code/sys/sys_unix.c
+@@ -39,6 +39,10 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ #include <fenv.h>
+ #include <sys/wait.h>
+ 
++#ifdef __serenity__
++#include <sys/select.h>
++#endif
++
+ qboolean stdinIsATTY;
+ 
+ // Used to determine where to store user-specific files
+-- 
+2.35.1
+