# How to build automatic dependencies # Don't include dependencies if $(no_deps) is set; the master makefile # does this for clean and other such targets that don't need # dependencies. That then avoids rebuilding dependencies. ifneq ($(no_deps),t) ifneq ($(MAKECMDGOALS),clean) ifneq ($(MAKECMDGOALS),mrproper) ifneq ($(MAKECMDGOALS),menuconfig) # For each .o file we need a .d file. -include $(subst .o,.d,$(filter %.o,$(OBJECTS))) /dev/null endif endif endif endif # Here is how to build those dependency files define make-deps set -e; $(CC) $(CFLAGS) $(CPPFLAGS) -M -MM $< | \ sed > $@.new -e 's;$(*F)\.o:;$@ $*.o $*.E $*.s:;' \ -e 's% [^ ]*/gcc-lib/[^ ]*\.h%%g' if test -s $@.new; then mv -f $@.new $@; else rm -f $@.new; fi endef # Here is how to make .d files from .c files %.d: %.c $(TOPDIR)/pinning.c; $(make-deps) %.d: %.S ; $(make-deps)