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SubjectRe: [PATCH v2] kbuild: comments correction & update on Makefile.host
Hi Cao,

2017-11-01 10:43 GMT+09:00 Cao jin <caoj.fnst@cn.fujitsu.com>:
> host-cmulti means the composite host program that is compiled/linked
> from several .c file, not .o file, because .o file could also be
> compiled from .cpp file.
>
> Bonus: update the stale comment.
> Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
> ---
> scripts/Makefile.host | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/scripts/Makefile.host b/scripts/Makefile.host
> index 9cfd5c84d76f..8181df66d764 100644
> --- a/scripts/Makefile.host
> +++ b/scripts/Makefile.host
> @@ -25,11 +25,11 @@ host-cshlib := $(sort $(hostlibs-y) $(hostlibs-m))
> host-cxxshlib := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m))
>
> # C code
> -# Executables compiled from a single .c file
> +# C Executables compiled from a single .c file


Is anything wrong with the current comment?


> host-csingle := $(foreach m,$(__hostprogs), \
> $(if $($(m)-objs)$($(m)-cxxobjs),,$(m)))
>
> -# C executables linked based on several .o files
> +# C executables compiled from several .c files, and only .c files

Your comment is even clearer, but
I think the current comment is also true, at least.

host-cmulti is liked from .o files
after each was compiled from .c


> host-cmulti := $(foreach m,$(__hostprogs),\
> $(if $($(m)-cxxobjs),,$(if $($(m)-objs),$(m))))
>
> @@ -50,7 +50,7 @@ host-cxxshobjs := $(sort $(foreach m,$(host-cxxshlib),$($(m:.so=-objs))))
>
> # output directory for programs/.o files
> # hostprogs-y := tools/build may have been specified.
> -# Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation
> +# Retrieve also directory of .o files from host-cobjs and host-cxxobjs notation
> host-objdirs := $(dir $(__hostprogs) $(host-cobjs) $(host-cxxobjs))
>
> host-objdirs := $(strip $(sort $(filter-out ./,$(host-objdirs))))
> --

I am removing all host-objdirs stuff.
I do not need this hunk.


--
Best Regards
Masahiro Yamada

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