the command line in every compilation.
* Makefile.in (libpath.h): New target.
(features.o): Depend on libpath.h.
(clean): Delete libpath.h.
(ALL_CFLAGS): Don't use -DLIBRARY_PATH here. Instead ...
* features.c: ... #include "libpath.h" here.
* .cvsignore: Ignore libpath.h.