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Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
[people/ms/u-boot.git] / rules.mk
1 #
2 # (C) Copyright 2006-2013
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 #
5 # SPDX-License-Identifier: GPL-2.0+
6 #
7 #########################################################################
8
9 _depend: $(obj).depend
10
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
24 $(obj).depend: $(src)Makefile $(TOPDIR)/config.mk $(DEPS) $(OTHER_SRCS) \
25 $(HOSTSRCS)
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)
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
50
51 #########################################################################