+ifeq ($(PLATFORM),emscripten) # compiling with Emscripten
+PROGNAME = ../$(PROGBASE).js
+DATA_FILE = $(PROGBASE).data
+CC = emcc
+AR = emar
+RANLIB = emranlib
+STRIP = true
+FILE_PACKAGER = file_packager
+endif
+
+ifeq ($(shell uname -s),Darwin) # compiling on Mac OS X
+DEBUGGER = lldb --batch -o "run" -k "bt" -k "quit"
+ifdef BUILD_DIST # distribution build
+MAC_TARGET_VERSION_MIN = 10.7
+EXTRA_FLAGS_MAC = -mmacosx-version-min=$(MAC_TARGET_VERSION_MIN)
+EXTRA_CFLAGS = $(EXTRA_FLAGS_MAC)
+EXTRA_LDFLAGS = $(EXTRA_FLAGS_MAC)
+MACOSX_DEPLOYMENT_TARGET = $MAC_TARGET_VERSION_MIN
+endif
+endif
+