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f9328639 | 1 | # |
eca3aeb3 | 2 | # (C) Copyright 2006-2013 |
f9328639 MB |
3 | # Wolfgang Denk, DENX Software Engineering, [email protected]. |
4 | # | |
eca3aeb3 | 5 | # SPDX-License-Identifier: GPL-2.0+ |
f9328639 | 6 | # |
f9328639 MB |
7 | ######################################################################### |
8 | ||
9 | _depend: $(obj).depend | |
10 | ||
47508843 SG |
11 | # Split the source files into two camps: those in the current directory, and |
12 | # those somewhere else. For the first camp we want to support CPPFLAGS_<fname> | |
13 | # and for the second we don't / can't. | |
14 | PWD_SRCS := $(filter $(notdir $(SRCS)),$(SRCS)) | |
15 | OTHER_SRCS := $(filter-out $(notdir $(SRCS)),$(SRCS)) | |
16 | ||
17 | # This is a list of dependency files to generate | |
18 | DEPS := $(basename $(patsubst %,$(obj).depend.%,$(PWD_SRCS))) | |
19 | ||
20 | # Join all the dependencies into a single file, in three parts | |
21 | # 1 .Concatenate all the generated depend files together | |
22 | # 2. Add in the deps from OTHER_SRCS which we couldn't process | |
23 | # 3. Add in the HOSTSRCS | |
eaeecde7 SG |
24 | $(obj).depend: $(src)Makefile $(TOPDIR)/config.mk $(DEPS) $(OTHER_SRCS) \ |
25 | $(HOSTSRCS) | |
47508843 SG |
26 | cat /dev/null $(DEPS) >$@ |
27 | @for f in $(OTHER_SRCS); do \ | |
28 | g=`basename $$f | sed -e 's/\(.*\)\.[[:alnum:]_]/\1.o/'`; \ | |
29 | $(CC) -M $(CPPFLAGS) -MQ $(obj)$$g $$f >> $@ ; \ | |
30 | done | |
31 | @for f in $(HOSTSRCS); do \ | |
32 | g=`basename $$f | sed -e 's/\(.*\)\.[[:alnum:]_]/\1.o/'`; \ | |
33 | $(HOSTCC) -M $(HOSTCPPFLAGS) -MQ $(obj)$$g $$f >> $@ ; \ | |
34 | done | |
35 | ||
36 | MAKE_DEPEND = $(CC) -M $(CPPFLAGS) $(EXTRA_CPPFLAGS_DEP) \ | |
37 | -MQ $(addsuffix .o,$(obj)$(basename $<)) $< >$@ | |
38 | ||
39 | ||
40 | $(obj).depend.%: %.c | |
41 | $(MAKE_DEPEND) | |
42 | ||
43 | $(obj).depend.%: %.S | |
44 | $(MAKE_DEPEND) | |
d984fed0 SW |
45 | |
46 | $(HOSTOBJS): $(obj)%.o: %.c | |
47 | $(HOSTCC) $(HOSTCFLAGS) $(HOSTCFLAGS_$(@F)) $(HOSTCFLAGS_$(BCURDIR)) -o $@ $< -c | |
48 | $(NOPEDOBJS): $(obj)%.o: %.c | |
49 | $(HOSTCC) $(HOSTCFLAGS_NOPED) $(HOSTCFLAGS_$(@F)) $(HOSTCFLAGS_$(BCURDIR)) -o $@ $< -c | |
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50 | |
51 | ######################################################################### |