Replaced whole bunch for Makefiles with a single generic Makefile.

- No complex shell logic.
- "Source file shadowing" for all targets via vpath.
- Dependency handling.
- True incremental build.
- Don't write into source directories.
- Easy cleanup by just removing 'wrk'.

libsrc/geos-common/mousesprite/Makefile

@@ -1,20 +0,0 @@
-#
-# makefile for CC65 runtime library
-#
-
-#--------------------------------------------------------------------------
-# Object files
-
-S_OBJS +=	clearmousemode.o	\
-		disablsprite.o		\
-		drawsprite.o		\
-		enablsprite.o		\
-		getnextchar.o		\
-		inittextprompt.o	\
-		ismseinregion.o		\
-		mouseoff.o		\
-		mouseup.o		\
-		possprite.o		\
-		promptoff.o		\
-		prompton.o		\
-		startmousemode.o