# # (C) Copyright 2006-2013 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # # SPDX-License-Identifier: GPL-2.0+ # ######################################################################### _depend: $(obj).depend # Split the source files into two camps: those in the current directory, and # those somewhere else. For the first camp we want to support CPPFLAGS_<fname> # and for the second we don't / can't. PWD_SRCS := $(filter $(notdir $(SRCS)),$(SRCS)) OTHER_SRCS := $(filter-out $(notdir $(SRCS)),$(SRCS)) # This is a list of dependency files to generate DEPS := $(basename $(patsubst %,$(obj).depend.%,$(PWD_SRCS))) # Join all the dependencies into a single file, in three parts # 1 .Concatenate all the generated depend files together # 2. Add in the deps from OTHER_SRCS which we couldn't process # 3. Add in the HOSTSRCS $(obj).depend: $(src)Makefile $(TOPDIR)/config.mk $(DEPS) $(OTHER_SRCS) \ $(HOSTSRCS) cat /dev/null $(DEPS) >$@ @for f in $(OTHER_SRCS); do \ g=`basename $$f | sed -e 's/\(.*\)\.[[:alnum:]_]/\1.o/'`; \ $(CC) -M $(CPPFLAGS) -MQ $(obj)$$g $$f >> $@ ; \ done @for f in $(HOSTSRCS); do \ g=`basename $$f | sed -e 's/\(.*\)\.[[:alnum:]_]/\1.o/'`; \ $(HOSTCC) -M $(HOSTCPPFLAGS) -MQ $(obj)$$g $$f >> $@ ; \ done MAKE_DEPEND = $(CC) -M $(CPPFLAGS) $(EXTRA_CPPFLAGS_DEP) \ -MQ $(addsuffix .o,$(obj)$(basename $<)) $< >$@ $(obj).depend.%: %.c $(MAKE_DEPEND) $(obj).depend.%: %.S $(MAKE_DEPEND) $(HOSTOBJS): $(obj)%.o: %.c $(HOSTCC) $(HOSTCFLAGS) $(HOSTCFLAGS_$(@F)) $(HOSTCFLAGS_$(BCURDIR)) -o $@ $< -c $(NOPEDOBJS): $(obj)%.o: %.c $(HOSTCC) $(HOSTCFLAGS_NOPED) $(HOSTCFLAGS_$(@F)) $(HOSTCFLAGS_$(BCURDIR)) -o $@ $< -c #########################################################################