-GAME_DIR = -DGAME_DIR=\".\" # path of the game and its data
-# JOYSTICK = -DNO_JOYSTICK # no joystick
-# SOUNDS = -DNO_SOUNDS # no sounds
-# SCORE_ENTRIES = -DONE_PER_NAME # only one score entry per name
-SCORE_ENTRIES = -DMANY_PER_NAME # many score entries per name
+CONVERT = convert
+WINDRES = windres
+
+CONVERT_ICON_ARGS = -transparent black -background transparent
+
+PROGBASE = rocksndiamonds
+PROGNAME = ../$(PROGBASE)
+
+EDITION ?= default
+
+
+# -----------------------------------------------------------------------------
+# configuring platform
+# -----------------------------------------------------------------------------
+
+ifeq ($(PLATFORM),macosx) # compiling on Mac OS X
+EXTRA_LDFLAGS = -lstdc++
+override PLATFORM = unix
+endif
+
+ifeq ($(PLATFORM),unix) # compiling on Unix/Linux (generic)
+PROFILING_FLAGS = -pg
+endif
+
+ifeq ($(PLATFORM),cross-win32) # cross-compiling to Windows
+PROGNAME = ../$(PROGBASE).exe
+EXTRA_LDFLAGS = -lshfolder -lwsock32
+endif
+
+
+# -----------------------------------------------------------------------------
+# configuring target
+# -----------------------------------------------------------------------------
+
+ifndef TARGET # auto-detect compiling for SDL or SDL2
+ SDL_VERSION := $(shell sdl2-config --version 2> /dev/null)
+ ifdef SDL_VERSION
+ TARGET = sdl2
+ else
+ SDL_VERSION := $(shell sdl-config --version 2> /dev/null)
+ ifdef SDL_VERSION
+ TARGET = sdl
+ else
+ $(error SDL/SDL2 library not found)
+ endif
+ endif
+endif
+
+# $(info Using SDL version $(SDL_VERSION) [TARGET == $(TARGET)])
+
+ifeq ($(TARGET),sdl) # compiling for SDL target
+SYS_CFLAGS = -DTARGET_SDL $(shell sdl-config --cflags)
+SDL_LIBS = -lSDL_image -lSDL_mixer -lSDL_net
+SYS_LDFLAGS = $(SDL_LIBS) $(shell sdl-config --libs)
+endif
+
+ifeq ($(TARGET),sdl2) # compiling for SDL2 target
+SYS_CFLAGS = -DTARGET_SDL2 $(shell sdl2-config --cflags)
+SDL_LIBS = -lSDL2_image -lSDL2_mixer -lSDL2_net
+SYS_LDFLAGS = $(SDL_LIBS) $(shell sdl2-config --libs)
+endif
+