Updating Mac OS X board files

boards/base/OSX/example/Makefile

@@ -26,7 +26,7 @@
 
 ARCH     =
 SRCFLAGS = -ggdb -O0
-CFLAGS   =
+CFLAGS   = `sdl2-config --libs --cflags`
 CXXFLAGS =
 ASFLAGS  =
 LDFLAGS  =
@@ -35,8 +35,8 @@ SRC      =
 OBJS     =
 DEFS     =
 LIBS     =
-INCPATH  = /opt/X11/include
-LIBPATH  = /opt/X11/lib
+INCPATH  =
+LIBPATH  =
 
 ##############################################################################################
 # These should be at the end

boards/base/OSX/example/readme.txt

@@ -1,2 +0,0 @@
-Copy these files into your own project directory and alter them to suite.
-

boards/base/OSX/readme.txt

@@ -1,7 +1,18 @@
-This directory contains the interface for OSX using X.
+This directory contains the interface for Mac OS X using SDL.
 
 On this board uGFX currently supports:
-	- GDISP via the X driver
-	- GINPUT-touch via the X driver
+	- GDISP via the SDL driver
+	- GINPUT-touch via the SDL driver
+	- GINPUT-keyboard via the SDL driver
+
+
+The folowing packages are required to run uGFX using this driver on
+a 64-bit Mac OS X machine using SDL:
+	+ sdl2
+
+
+The following should be added to the CFLAGS of the target makefile:
+	CFLAGS = `sdl2-config --libs --cflags`
+
 
 There is an example Makefile and project in the examples directory.