+# get last Git commit hash, if no files were changed
+SOURCE_HASH_STRING ?= $(shell test -d ../.git && test `git ls-files -m | wc -l` -eq 0 && git show -s --format=%h || echo "$(COMMIT_HASH_NONE)")
+
+LIBGAME_DIR = libgame
+LIBGAME = $(LIBGAME_DIR)/libgame.a
+
+GAME_EM_DIR = game_em
+GAME_EM = $(GAME_EM_DIR)/game_em.a
+
+GAME_SP_DIR = game_sp
+GAME_SP = $(GAME_SP_DIR)/game_sp.a
+
+GAME_MM_DIR = game_mm
+GAME_MM = $(GAME_MM_DIR)/game_mm.a
+
+RNDLIBS = $(LIBGAME) $(GAME_EM) $(GAME_SP) $(GAME_MM)
+AUTOCONF = conf_gfx.h conf_snd.h conf_mus.h
+
+ICONBASE = windows_icon
+ICON_BASEPATH = ../Special/Icons/windows_icons
+
+ifeq ($(PLATFORM_BASE),cross-win)
+ICON_PATH = $(ICON_BASEPATH)/$(EDITION)
+ICON = $(ICONBASE).o
+endif
+
+GRAPHICS_DIR = ../graphics
+
+
+# -----------------------------------------------------------------------------
+# build targets
+# -----------------------------------------------------------------------------
+
+all: $(AUTOCONF) libgame_dir game_em_dir game_sp_dir game_mm_dir $(PROGNAME) graphics_dir
+
+$(PROGNAME): $(RNDLIBS) $(TIMESTAMP_FILE) $(COMMIT_HASH_FILE) $(OBJS) $(ICON)
+ $(CC) $(PROFILING) $(OBJS) $(ICON) $(RNDLIBS) $(LDFLAGS) -o $(PROGNAME)
+ifdef BUILD_DIST
+ $(STRIP) $(PROGNAME)
+endif
+ifeq ($(PLATFORM),emscripten)
+ (cd .. ; $(FILE_PACKAGER) $(DATA_FILE) $(FILE_PACKAGER_ARGS))
+endif
+
+libgame_dir:
+ @$(MAKE) -C $(LIBGAME_DIR)