build: target_check objdir $(OBJDIR)/depend
    @unset MAKELEVEL; $(MAKE) -f $(OBJDIR)/depend -f Makefile nextlevel

nextlevel: $(INSTALL_LIBS)

$(OBJDIR)/depend: ${DEPS}
    @echo 'Remaking dependencies.'
    @cat ${DEPS} >$(OBJDIR)/depend

$(OBJDIR)/%.dep: %.c
    @$(CC) $(MYMFLAGS) $< | sed -e '1s@^@$(OBJDIR)/@' >$@

DEPS=${SOURCES:%.c=$(OBJDIR)/%.dep}