+##### DP_MAKE_TARGET autodetection and arch specific variables #####
+
+ifndef DP_MAKE_TARGET
+
+# Win32
+ifdef windir
+ DP_MAKE_TARGET=mingw
+else
+
+# UNIXes
+DP_ARCH:=$(shell uname)
+ifneq ($(filter %BSD,$(DP_ARCH)),)
+ DP_MAKE_TARGET=bsd
+else
+ifeq ($(DP_ARCH), Darwin)
+ DP_MAKE_TARGET=macosx
+else
+ DP_MAKE_TARGET=linux
+
+endif # ifeq ($(DP_ARCH), Darwin)
+endif # ifneq ($(filter %BSD,$(DP_ARCH)),)
+endif # ifdef windir
+endif # ifndef DP_MAKE_TARGET
+
+# If we're not on compiling for Win32, we need additional information
+ifneq ($(DP_MAKE_TARGET), mingw)
+ DP_ARCH:=$(shell uname)
+ DP_MACHINE:=$(shell uname -m)
+endif