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/file/Makefile

@@ -1,32 +0,0 @@
-#
-# makefile for CC65 runtime library
-#
-
-#--------------------------------------------------------------------------
-# Object files
-
-S_OBJS +=	appendrecord.o		\
-		closerecordfile.o	\
-		deletefile.o		\
-		deleterecord.o		\
-		findfile.o		\
-		findftypes.o		\
-		freefile.o		\
-		get1stdirentry.o	\
-		getfhdrinfo.o		\
-		getfile.o		\
-		getnxtdirentry.o	\
-		insertrecord.o		\
-		nextrecord.o		\
-		openrecordfile.o	\
-		pointrecord.o		\
-		previousrecord.o	\
-		readbyte.o		\
-		readfile.o		\
-		readrecord.o		\
-		renamefile.o		\
-		savefile.o		\
-		sysremove.o		\
-		sysrename.o		\
-		updaterecordfile.o	\
-		writerecord.o