| Message ID | 20190806063923.1266-2-yamada.masahiro@socionext.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | kbuild: allow big modules to sub-divide Makefiles | expand |
On Tue, Aug 6, 2019 at 3:40 PM Masahiro Yamada <yamada.masahiro@socionext.com> wrote: > > Currently, Kbuild treats an object as multi-used when any of > $(foo-objs), $(foo-y), $(foo-m) is set. It makes more sense to > check $(foo-) as well. > > In the context of foo-$(CONFIG_FOO_FEATURE1), CONFIG_FOO_FEATURE1 > could be unset. > > Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Only this patch applied for now. > --- > > scripts/Makefile.lib | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib > index 41c50f9461e5..0a540599823e 100644 > --- a/scripts/Makefile.lib > +++ b/scripts/Makefile.lib > @@ -41,9 +41,9 @@ obj-m := $(filter-out %/, $(obj-m)) > # Subdirectories we need to descend into > subdir-ym := $(sort $(subdir-y) $(subdir-m)) > > -# if $(foo-objs), $(foo-y), or $(foo-m) exists, foo.o is a composite object > -multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) > -multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))), $(m)))) > +# If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object > +multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))), $(m)))) > +multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))), $(m)))) > multi-used := $(multi-used-y) $(multi-used-m) > > # $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to > @@ -52,8 +52,8 @@ subdir-obj-y := $(filter %/built-in.a, $(obj-y)) > > # Replace multi-part objects by their individual parts, > # including built-in.a from subdirectories > -real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) > -real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m))) > +real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) > +real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m))) > > # DTB > # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built > -- > 2.17.1 >
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 41c50f9461e5..0a540599823e 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -41,9 +41,9 @@ obj-m := $(filter-out %/, $(obj-m)) # Subdirectories we need to descend into subdir-ym := $(sort $(subdir-y) $(subdir-m)) -# if $(foo-objs), $(foo-y), or $(foo-m) exists, foo.o is a composite object -multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) -multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))), $(m)))) +# If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object +multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))), $(m)))) +multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))), $(m)))) multi-used := $(multi-used-y) $(multi-used-m) # $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to @@ -52,8 +52,8 @@ subdir-obj-y := $(filter %/built-in.a, $(obj-y)) # Replace multi-part objects by their individual parts, # including built-in.a from subdirectories -real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) -real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m))) +real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) +real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m))) # DTB # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built
Currently, Kbuild treats an object as multi-used when any of $(foo-objs), $(foo-y), $(foo-m) is set. It makes more sense to check $(foo-) as well. In the context of foo-$(CONFIG_FOO_FEATURE1), CONFIG_FOO_FEATURE1 could be unset. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> --- scripts/Makefile.lib | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)