diff options
| author | Kai Germaschewski <kai@tp1.ruhr-uni-bochum.de> | 2002-03-15 02:19:57 -0600 |
|---|---|---|
| committer | Kai Germaschewski <kai@tp1.ruhr-uni-bochum.de> | 2002-03-15 02:19:57 -0600 |
| commit | 9f1021aa0d3be21bc59fa7afc1f68c9592d091d6 (patch) | |
| tree | 002acc001f96949f0e1eeec222a47d170807c4b9 /Rules.make | |
| parent | 139d39f9273540fb3e98c336382b389cd9f7c030 (diff) | |
Improve Rules.make to automatically generate link rules for composite
objects.
Current behavior is not changed at all, but see the next cset for what
it's good for.
Diffstat (limited to 'Rules.make')
| -rw-r--r-- | Rules.make | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/Rules.make b/Rules.make index b084d59e04e9..2d3c5faf21a7 100644 --- a/Rules.make +++ b/Rules.make @@ -120,6 +120,24 @@ $(L_TARGET): $(obj-y) ) > $(dir $@)/.$(notdir $@).flags endif +# +# Rule to link composite objects +# + +# for make >= 3.78 the following is cleaner: +# multi-used := $(foreach m,$(obj-y) $(obj-m), $(if $($(basename $(m))-objs), $(m))) +multi-used := $(sort $(foreach m,$(obj-y) $(obj-m),$(patsubst %,$(m),$($(basename $(m))-objs)))) +ld-multi-used := $(filter-out $(list-multi),$(multi-used)) +ld-multi-objs := $(foreach m, $(ld-multi-used), $($(basename $(m))-objs)) + +$(ld-multi-used) : %.o: $(ld-multi-objs) + rm -f $@ + $(LD) $(EXTRA_LDFLAGS) -r -o $@ $(filter $($(basename $@)-objs), $^) + @ ( \ + echo 'ifeq ($(strip $(subst $(comma),:,$(LD) $(EXTRA_LDFLAGS) $($(basename $@)-objs)),$$(strip $$(subst $$(comma),:,$$(LD) $$(EXTRA_LDFLAGS) $$($(basename $@)-objs)))))' ; \ + echo 'FILES_FLAGS_UP_TO_DATE += $@' ; \ + echo 'endif' \ + ) > $(dir $@)/.$(notdir $@).flags # # This make dependencies quickly @@ -200,8 +218,7 @@ script: # ifdef CONFIG_MODULES -multi-used := $(filter $(list-multi), $(obj-y) $(obj-m)) -multi-objs := $(foreach m, $(multi-used), $($(basename $(m))-objs)) +multi-objs := $(foreach m, $(obj-y) $(obj-m), $($(basename $(m))-objs)) active-objs := $(sort $(multi-objs) $(obj-y) $(obj-m)) ifdef CONFIG_MODVERSIONS |