diff --git a/boards/base/OSX/example/Makefile b/boards/base/OSX/example/Makefile
index cce88c13..5cc39d15 100644
--- a/boards/base/OSX/example/Makefile
+++ b/boards/base/OSX/example/Makefile
@@ -26,7 +26,7 @@
 
 ARCH     =
 SRCFLAGS = -ggdb -O0
-CFLAGS   = `sdl2-config --libs --cflags`
+CFLAGS   = $(sdl2-config --cflags)
 CXXFLAGS =
 ASFLAGS  =
 LDFLAGS  =
@@ -34,7 +34,7 @@ LDFLAGS  =
 SRC      =
 OBJS     =
 DEFS     =
-LIBS     =
+LIBS     = $(sdl2-config --libs)
 INCPATH  =
 LIBPATH  =
 
diff --git a/tools/gmake_scripts/os_osx.mk b/tools/gmake_scripts/os_osx.mk
index 9bfc7024..b5f99496 100644
--- a/tools/gmake_scripts/os_osx.mk
+++ b/tools/gmake_scripts/os_osx.mk
@@ -9,10 +9,10 @@
 
 # Requirements:
 #
-# OSX_SDK	The location of the SDK eg. OSX_SDK  = /Developer/SDKs/MacOSX10.7.sdk
-# OSX_ARCH	The architecture flags eg.  OSX_ARCH = -mmacosx-version-min=10.3
+# OSX_SDK	The location of the SDK eg. OSX_SDK  = /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk
+# OSX_ARCH	The architecture flags eg.  OSX_ARCH = -mmacosx-version-min=10.12
 #
 
 SRCFLAGS	+= -isysroot $(OSX_SDK) $(OSX_ARCH)
 LDFLAGS		+= -pthread -Wl,-syslibroot,$(OSX_SDK) $(OSX_ARCH)
-OPT_CPU = x86
+OPT_CPU = x64