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-rw-r--r--rules.mk19
1 files changed, 10 insertions, 9 deletions
diff --git a/rules.mk b/rules.mk
index b36de4daa2b..e4fd3371df5 100644
--- a/rules.mk
+++ b/rules.mk
@@ -6,41 +6,42 @@
#
#########################################################################
-_depend: $(obj).depend
+_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))
+PWD_SRCS := $(foreach f,$(SRCS), $(if \
+ $(filter $(if $(KBUILD_SRC),$(srctree)/)$(src)/$(notdir $f),$f), $f))
+OTHER_SRCS := $(filter-out $(PWD_SRCS),$(SRCS))
# This is a list of dependency files to generate
-DEPS := $(basename $(patsubst %,$(obj).depend.%,$(PWD_SRCS)))
+DEPS := $(basename $(addprefix $(obj)/.depend., $(notdir $(PWD_SRCS))))
# Join all the dependencies into a single file, in three parts
# 1 .Concatenate all the generated depend files together
# 2. Add in the deps from OTHER_SRCS which we couldn't process
# 3. Add in the HOSTSRCS
-$(obj).depend: $(src)Makefile $(TOPDIR)/config.mk $(DEPS) $(OTHER_SRCS) \
+$(obj)/.depend: $(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 >> $@ ; \
+ $(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 >> $@ ; \
+ $(HOSTCC) -M $(HOSTCPPFLAGS) -MQ $(obj)/$$g $$f >> $@ ; \
done
MAKE_DEPEND = $(CC) -M $(CPPFLAGS) $(EXTRA_CPPFLAGS_DEP) \
-MQ $(addsuffix .o,$(obj)$(basename $<)) $< >$@
-$(obj).depend.%: %.c
+$(obj)/.depend.%: $(src)/%.c
$(MAKE_DEPEND)
-$(obj).depend.%: %.S
+$(obj)/.depend.%: $(src)/%.S
$(MAKE_DEPEND)
#########################################################################