--- Makefile.orig	2014-05-17 18:32:47 UTC
+++ Makefile
@@ -263,9 +263,9 @@ ifeq ($(SMIF), SDL)
   else
     # default is Linux, for all unix SDL
     EXENAME:=doomlegacy
-    OPTS:=-DLINUX
+    OPTS:=-DLINUX -DFREEBSD
     LDFLAGS=-L/usr/X11R6/lib
-    LIBS:=-lGL -lGLU -lm
+    LIBS:=-lGL -lGLU -lm -lipx
     # -L/usr/X11R6/lib is needed by Linux 2.4 and others that still have
     # the GLU libraries in an X11 directory.
     # -lm is needed for pow, powf, and other MATH1 functions.
@@ -599,7 +599,7 @@ ifdef CDMUS
 endif
 
 # compiler and linker flags
-CFLAGS:=$(WFLAGS)
+#CFLAGS:=$(WFLAGS)
 
 ifdef PROFILEMODE
 # build with gprof profiling information
@@ -616,7 +616,7 @@ ifdef DEBUG
 else
 # build a normal optimized version
   #CFLAGS+=-O3
-  CFLAGS+=$(OPTLEV) -fomit-frame-pointer
+  #CFLAGS+=$(OPTLEV) -fomit-frame-pointer
 endif
 endif