SRCS-y  :=
TEMPS   :=

include $(CONFIG_FILE)
include $(TOPDIR)/$(SRCDIR)Makefile
include $(TOPDIR)/scripts/Makefile.define

# find all directory in SRCS-y
SRCS-subdir := $(filter-out %.c %.S,$(SRCS-y))

# find all file in SRCS-y
SRCS-y := $(addprefix $(SRCDIR),$(SRCS-y))

# start.S file
ifneq ("$(START)","")
    START := $(O)$(SRCDIR)$(START:.S=.o)
else
    START :=
endif

ifneq ("$(TAIL)","")
    TAIL := $(O)$(SRCDIR)$(TAIL:.S=.o)
else
    TAIL :=
endif


# relative path
LIB_SUBOBJS := $(foreach LIB,$(SRCS-subdir),$(SRCDIR)$(LIB)lib$(LIB:/=).a)

AOBJS := $(addprefix $(O),$(subst .S,.o,$(filter %.S,$(SRCS-y))))
ADEPS := $(AOBJS:.o=.d) $(START:.o=.d) $(TAIL:.o=.d)
COBJS := $(addprefix $(O),$(subst .c,.o,$(filter %.c,$(SRCS-y))))
CDEPS := $(COBJS:.o=.d)

ALG_LIBS := media/alg_libs/libae.a media/alg_libs/libawb.a
# all xxx.o, exclude start.o,libxxx.a
OBJS  := $(strip $(AOBJS) $(COBJS))

# all depend file, exclude libxxx.a
DEPS := $(CDEPS) $(ADEPS)

_MKDEP  := $(O)$(SRCDIR)$(MKDEP)
P_MKDEP := $(O)$(SRCDIR)../$(MKDEP)

$(shell test -d $(O)$(SRCDIR) || mkdir -p $(O)$(SRCDIR))
################################################################################

lib$(notdir $(SRCDIR:/=)).a: $(_MKDEP) $(LIB_SUBOBJS) $(OBJS) $(CONFIG_FILE)
	$(call show_cmd,LD,$(SRCDIR)$@)
	$(Q)${LD} $(LDFLAGS) -EL -r -o $(O)$(SRCDIR)$@ $(OBJS) $(addprefix $(O),$(LIB_SUBOBJS))

$(MCU).elf: $(START) $(TAIL) $(OBJS) $(_MKDEP) $(O)$(SRCDIR)$(LINKLDS) $(CONFIG_FILE) force
	$(call show_cmd,LD,libstage1.a)
	$(Q)${LD} $(LDFLAGS) -EL -r -o $(O)$(SRCDIR)/libstage1.a $(OBJS) $(addprefix $(O),$(LIBS))
	$(call show_cmd,LD,libstage2.a)
	$(Q)${LD} $(LDFLAGS) -EL -r -o $(O)$(SRCDIR)/libstage2.a $(addprefix $(O),$(LIBS-stage2)) $(ALG_LIBS)
	$(call show_cmd,LD,$@)
	$(Q)$(LD) -L$(O)$(SRCDIR) -X -Bstatic \
		--gc-sections $(if $(filter 1,$(strip $(V))),--print-gc-sections) \
		--print-memory-usage \
		-T$(O)$(SRCDIR)$(LINKLDS) \
		-Ttext $(CONFIG_TEXT_BASE) \
		$(LDFLAGS) \
		-Map $(O)$(@:.elf=.map) -o $(O)$@

$(O)$(SRCDIR)$(LINKLDS): $(TOPDIR)/$(SRCDIR)$(addsuffix .S,$(LINKLDS)) force
	$(call show_cmd,CC,$@)
	$(Q)$(CC) -E -P $(ASFLAGS) -DLINKER_SCRIPT -o $@ $<

$(LIB_SUBOBJS): $(CONFIG_FILE) $(_MKDEP)
	$(Q)$(MAKE) $(MKFLAGS) -C $(TOPDIR)/$(@D)/ SRCDIR="$(@D)/" O="$(O)" $(@F)

$(COBJS): $(_MKDEP) $(CONFIG_FILE)
	$(call show_cmd,CC,$(SRCDIR)$(@F:.o=.c))
	$(call $(@F:.o=_cmd))

$(CDEPS): $(_MKDEP) $(CONFIG_FILE)
	$(call show_cmd,DEP,$(SRCDIR)$(@F:.d=.c))
	$(Q)$(CC) -M $(TOPDIR)/$(SRCDIR)$(@F:.d=.c) $(CFLAGS) \
	    | sed -e "s,^$(@F:.d=.o),$(@:.d=.o),g" > $(@)
	(echo $(@F:.d=_cmd)=$$\(Q\)$(CC) -c $(TOPDIR)/$(SRCDIR)$(@F:.d=.c) $(CFLAGS) $$\(CFLAGS_$(basename $(@F))\) -o $(@:.d=.o);) >> $(@)

$(AOBJS) $(START) $(TAIL): $(_MKDEP) $(CONFIG_FILE)
	$(call show_cmd,CC,$(SRCDIR)$(@F:.o=.S))
	$(call $(@F:.o=_cmd))

$(ADEPS): $(_MKDEP) $(CONFIG_FILE)
	$(call show_cmd,DEP,$(SRCDIR)$(@F:.d=.S))
	$(Q)$(CC) -M $(TOPDIR)/$(SRCDIR)$(@F:.d=.S) $(ASFLAGS) \
	    | sed -e "s,^$(@F:.d=.o),$(@:.d=.o),g" > $(@)
	(echo $(@F:.d=_cmd)=$(Q)$(CC) -c $(TOPDIR)/$(SRCDIR)$(@F:.d=.S) $(ASFLAGS) $$\(CFLAGS_$(basename $(@F))\) -o $(@:.d=.o);) >> $(@)

$(_MKDEP): $(TOPDIR)/$(SRCDIR)Makefile $(P_MKDEP)
	$(Q)touch $@

force:;

sinclude $(DEPS)