diff -ur ioquake3.orig/Makefile ioquake3/Makefile
--- ioquake3.orig/Makefile	Sat Oct 13 00:09:23 2007
+++ ioquake3/Makefile	Sat Oct 13 00:19:20 2007
@@ -538,6 +538,63 @@
 else # ifeq freebsd
 
 #############################################################################
+# SETUP AND BUILD -- OPENBSD
+#############################################################################
+
+ifeq ($(PLATFORM),openbsd)
+
+  #default to i386, no tests done on anything else
+  ARCH=i386
+
+
+  BASE_CFLAGS = -Wall -fno-strict-aliasing -Wimplicit -Wstrict-prototypes \
+    -DUSE_ICON $(shell sdl-config --cflags)
+
+  ifeq ($(USE_OPENAL),1)
+    BASE_CFLAGS += -DUSE_OPENAL
+    ifeq ($(USE_OPENAL_DLOPEN),1)
+      BASE_CFLAGS += -DUSE_OPENAL_DLOPEN
+    endif
+  endif
+
+  ifeq ($(USE_CODEC_VORBIS),1)
+    BASE_CFLAGS += -DUSE_CODEC_VORBIS
+  endif
+
+  BASE_CFLAGS += -DNO_VM_COMPILED -I/usr/X11R6/include -I/usr/local/include
+  RELEASE_CFLAGS=$(BASE_CFLAGS) -DNDEBUG -O3 \
+    -march=pentium -fomit-frame-pointer -pipe -ffast-math \
+    -falign-loops=2 -falign-jumps=2 -falign-functions=2 \
+    -funroll-loops -fstrength-reduce
+  HAVE_VM_COMPILED=false
+
+  DEBUG_CFLAGS=$(BASE_CFLAGS) -g
+
+  SHLIBEXT=so
+  SHLIBCFLAGS=-fPIC
+  SHLIBLDFLAGS=-shared $(LDFLAGS)
+
+  THREAD_LDFLAGS=-lpthread
+  LDFLAGS=-lm
+
+  CLIENT_LDFLAGS =
+
+  CLIENT_LDFLAGS += $(shell sdl-config --libs) -lGL
+
+  ifeq ($(USE_OPENAL),1)
+    ifneq ($(USE_OPENAL_DLOPEN),1)
+      CLIENT_LDFLAGS += $(THREAD_LDFLAGS) -lopenal
+    endif
+  endif
+
+  ifeq ($(USE_CODEC_VORBIS),1)
+    CLIENT_LDFLAGS += -lvorbisfile -lvorbis -logg
+  endif
+
+
+else # ifeq openbsd
+
+#############################################################################
 # SETUP AND BUILD -- NETBSD
 #############################################################################
 
@@ -670,6 +727,7 @@
 endif #darwin
 endif #mingw32
 endif #FreeBSD
+endif #OpenBSD
 endif #NetBSD
 endif #IRIX
 endif #SunOS
diff -ur ioquake3.orig/code/qcommon/q_platform.h ioquake3/code/qcommon/q_platform.h
--- ioquake3.orig/code/qcommon/q_platform.h	Sat Oct 13 00:09:19 2007
+++ ioquake3/code/qcommon/q_platform.h	Sat Oct 13 00:16:50 2007
@@ -192,6 +192,32 @@
 
 #endif
 
+//=============================================================== OpenBSD ===
+
+#ifdef __OpenBSD__
+
+#include <machine/endian.h>
+
+#define OS_STRING "openbsd"
+#define ID_INLINE inline
+#define PATH_SEP '/'
+
+#ifdef __i386__
+#define ARCH_STRING "i386"
+#else
+#error "Only x86 is supported on OpenBSD"
+#endif
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define Q3_BIG_ENDIAN
+#else
+#define Q3_LITTLE_ENDIAN
+#endif
+
+#define DLL_EXT ".so"
+
+#endif
+
 //================================================================ NetBSD ===
 
 // This is very much like the FreeBSD one and can probably be merged
diff -ur ioquake3.orig/code/sys/sys_loadlib.h ioquake3/code/sys/sys_loadlib.h
--- ioquake3.orig/code/sys/sys_loadlib.h	Sat Oct 13 00:09:22 2007
+++ ioquake3/code/sys/sys_loadlib.h	Sat Oct 13 00:45:43 2007
@@ -20,7 +20,7 @@
 ===========================================================================
 */
 
-#ifdef DEDICATED
+#if defined(DEDICATED) || defined(__OpenBSD__)
 #	ifdef _WIN32
 #		include <windows.h>
 #		define Sys_LoadLibrary(f) (void*)LoadLibrary(f)