clean up sdlmame directory

games-emulation/sdlmame/files/sdlmame-0.149-system-lua.patch

@@ -0,0 +1,33 @@
+commit ea514c9ded266aa365976649d88fa5593ef7ebf5
+Author: hasufell <hasufell@gentoo.org>
+Date:   Tue Jun 25 23:48:26 2013 +0200
+
+    add switch to use system lua
+
+diff --git a/makefile b/makefile
+index dd4598d..bdf22d2 100644
+--- a/makefile
++++ b/makefile
+@@ -228,6 +228,9 @@ BUILD_JPEGLIB = 1
+ # uncomment next line to build PortMidi as part of MAME/MESS build
+ BUILD_MIDILIB = 1
+ 
++# uncomment next line to build Lua-5.2 as part of MAME/MESS build
++BUILD_LUA = 1
++
+ # uncomment next line to include the symbols
+ # SYMBOLS = 1
+ 
+@@ -664,7 +667,12 @@ SOFTFLOAT = $(OBJ)/libsoftfloat.a
+ FORMATS_LIB = $(OBJ)/libformats.a
+ 
+ # add LUA library
++ifeq ($(BUILD_LUA),1)
+ LUA_LIB = $(OBJ)/liblua.a
++else
++LIBS += $(shell $(PKG_CONFIG) --libs lua)
++INCPATH += $(shell $(PKG_CONFIG) --cflags lua)
++endif
+ 
+ # add PortMidi MIDI library
+ ifeq ($(BUILD_MIDILIB),1)