$OpenBSD: patch-makefile,v 1.3 2011/11/27 12:42:28 fgsch Exp $
--- makefile.orig	Sat Feb 12 15:17:48 2011
+++ makefile	Thu Jun  2 12:18:06 2011
@@ -206,10 +206,10 @@ endif
 # BIGENDIAN = 1
 
 # uncomment next line to build expat as part of MAME build
-BUILD_EXPAT = 1
+# BUILD_EXPAT = 1
 
 # uncomment next line to build zlib as part of MAME build
-BUILD_ZLIB = 1
+# BUILD_ZLIB = 1
 
 # uncomment next line to include the symbols
 # SYMBOLS = 1
@@ -298,7 +298,7 @@ endif
 
 # compiler, linker and utilities
 AR = @ar
-CC = @gcc
+CC ?= @gcc
 LD = @g++
 MD = -mkdir$(EXE)
 RM = @rm -f
@@ -347,7 +347,7 @@ NAME = $(TARGET)$(SUBTARGET)
 endif
 
 # fullname is prefix+name+suffix+suffix64+suffixdebug
-FULLNAME = $(PREFIX)$(PREFIXSDL)$(NAME)$(SUFFIX)$(SUFFIX64)$(SUFFIXDEBUG)$(SUFFIXPROFILE)
+FULLNAME = $(PREFIXSDL)$(NAME)$(SUFFIX)$(SUFFIXDEBUG)$(SUFFIXPROFILE)
 
 # add an EXE suffix to get the final emulator name
 EMULATOR = $(FULLNAME)$(EXE)
@@ -423,7 +423,7 @@ CPPONLYFLAGS =
 
 # CFLAGS is defined based on C or C++ targets
 # (remember, expansion only happens when used, so doing it here is ok)
-CFLAGS = $(CCOMFLAGS) $(CPPONLYFLAGS)
+CFLAGS += $(CCOMFLAGS) $(CPPONLYFLAGS)
 
 # we compile C-only to C89 standard with GNU extensions
 # we compile C++ code to C++98 standard with GNU extensions
@@ -450,7 +450,7 @@ CCOMFLAGS += -pg
 endif
 
 # add the optimization flag
-CCOMFLAGS += -O$(OPTIMIZE)
+#CCOMFLAGS += -O$(OPTIMIZE)
 
 # if we are optimizing, include optimization options
 # and make all errors into warnings
