Update Makefile.libretro

Makefile.libretro

@@ -22,15 +22,13 @@ ifeq ($(shell uname -a),)
 	system_platform = win
 else ifneq ($(findstring Darwin,$(shell uname -a)),)
 	system_platform = osx
-ifeq ($(shell uname -p),powerpc)
-	arch = ppc
-else
+	arch = intel
+	ifeq ($(shell uname -p),powerpc)
+		arch = ppc
+	endif
 	ifeq ($(shell uname -p),arm)
 		arch = arm64
-	else
-		arch = intel
 	endif
-endif
 else ifneq ($(findstring MINGW,$(shell uname -a)),)
 	system_platform = win
 endif
@@ -81,17 +79,19 @@ else ifeq ($(platform), osx)
    TARGET := $(TARGET_NAME)_libretro.$(EXT)
    fpic := -fPIC
    SHARED := -dynamiclib
-	OSXVER = `sw_vers -productVersion | cut -d. -f 2`
-	OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9)) && echo "YES"`
+   MACSOSVER = `sw_vers -productVersion | cut -d. -f 1`
+   OSXVER = `sw_vers -productVersion | cut -d. -f 2`
+   OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9)) && echo "YES"`
+   ifeq ($(OSX_LT_MAVERICKS),YES)
+   	   fpic += -mmacosx-version-min=10.1
+   endif
 
    ifeq ($(arch),arm64)
-	   TARGET_RULE = -target $(LIBRETRO_APPLE_PLATFORM) -isysroot $(LIBRETRO_APPLE_ISYSROOT)
+	        TARGET_RULE = -target $(LIBRETRO_APPLE_PLATFORM) -isysroot $(LIBRETRO_APPLE_ISYSROOT)
 		CFLAGS   += $(TARGET_RULE)
 		CPPFLAGS += $(TARGET_RULE)
 		CXXFLAGS += $(TARGET_RULE)
-	else
-	   fpic += -mmacosx-version-min=10.1
-	endif
+   endif
 
 	CFLAGS += $(ARCHFLAGS)
 	LDFLAGS += $(ARCHFLAGS)