+##### 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
+ifeq ($(DP_ARCH), SunOS)
+ DP_MAKE_TARGET=sunos
+else
+ DP_MAKE_TARGET=linux
+
+endif # ifeq ($(DP_ARCH), SunOS)
+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
+
+
+# Command used to delete files
+ifdef windir
+ CMD_RM=del
+else
+ CMD_RM=$(CMD_UNIXRM)
+endif
+
+# 64bits AMD CPUs use another lib directory
+ifeq ($(DP_MACHINE),x86_64)
+ UNIX_X11LIBPATH:=/usr/X11R6/lib64
+else
+ UNIX_X11LIBPATH:=/usr/X11R6/lib
+endif
+
+
+# Linux configuration
+ifeq ($(DP_MAKE_TARGET), linux)
+ DEFAULT_SNDAPI=ALSA
+ OBJ_CD=$(OBJ_LINUXCD)
+
+ OBJ_CL=$(OBJ_GLX)
+
+ LDFLAGS_CL=$(LDFLAGS_LINUXCL)
+ LDFLAGS_SV=$(LDFLAGS_LINUXSV)
+ LDFLAGS_SDL=$(LDFLAGS_LINUXSDL)
+
+ EXE_CL=$(EXE_UNIXCL)
+ EXE_SV=$(EXE_UNIXSV)
+ EXE_SDL=$(EXE_UNIXSDL)
+endif
+
+# Mac OS X configuration
+ifeq ($(DP_MAKE_TARGET), macosx)
+ DEFAULT_SNDAPI=COREAUDIO
+ OBJ_CD=$(OBJ_MACOSXCD)
+
+ OBJ_CL=$(OBJ_AGL)
+
+ LDFLAGS_CL=$(LDFLAGS_MACOSXCL)
+ LDFLAGS_SV=$(LDFLAGS_MACOSXSV)
+ LDFLAGS_SDL=$(LDFLAGS_MACOSXSDL)
+
+ EXE_CL=$(EXE_MACOSXCL)
+ EXE_SV=$(EXE_UNIXSV)
+ EXE_SDL=$(EXE_UNIXSDL)
+endif
+
+# SunOS configuration (Solaris)
+ifeq ($(DP_MAKE_TARGET), sunos)
+ DEFAULT_SNDAPI=BSD
+ OBJ_CD=$(OBJ_SUNOSCD)
+
+ OBJ_CL=$(OBJ_GLX)
+
+ CFLAGS_EXTRA=$(CFLAGS_SUNOS)