the files that used to come from extra src dirs under the arch dir
have all been removed or moved to appropriate places under the main
src tree.
libdir = $(prefix)/lib
syslibdir = /lib
-BASE_SRCS = $(sort $(wildcard $(srcdir)/src/*/*.c $(srcdir)/arch/$(ARCH)/src/*.[csS]))
+BASE_SRCS = $(sort $(wildcard $(srcdir)/src/*/*.c))
BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS)))
ARCH_SRCS = $(wildcard $(srcdir)/src/*/$(ARCH)/*.[csS])
ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS)))