|
@@ -25,17 +25,39 @@
|
|
|
|
|
|
_depend: $(obj).depend
|
|
|
|
|
|
-$(obj).depend: $(src)Makefile $(TOPDIR)/config.mk $(SRCS) $(HOSTSRCS)
|
|
|
- @rm -f $@
|
|
|
- @touch $@
|
|
|
- @for f in $(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
|
|
|
+# 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) $(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
|