Re: [Xen-devel] [PATCH] firmware/shim : filter output files during Xen tree setup

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Fri, Jul 20, 2018 at 02:15:05PM -0700, Christopher Clark wrote:
> Exclude named output files from the Xen tree setup.
> 
> The linkfarm.stamp content will differ between top level "make"
> and "make install" invocations, due to the introduction of these
> output files that are produced during the "make" build.
> 
> Filter these out to prevent an unnecessary rebuild of the shim during
> "make install".
> 
> Signed-off-by: Christopher Clark <christopher.clark6@xxxxxxxxxxxxxx>
> ---
>  tools/firmware/xen-dir/Makefile | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/firmware/xen-dir/Makefile b/tools/firmware/xen-dir/Makefile
> index 84648c3..e490dca 100644
> --- a/tools/firmware/xen-dir/Makefile
> +++ b/tools/firmware/xen-dir/Makefile
> @@ -11,6 +11,9 @@ D=xen-root
>  LINK_DIRS=config xen
>  LINK_FILES=Config.mk
>  
> +# Files to exclude from the link farm
> +EXCLUDE_FILES=xen xen.gz xen-syms xen-syms.map efi.lds xen.lds mkelf32 
> mkreloc

I don't really like to list the files here, since it's very easy for
them to get out of sync. The alternative I have is also not very nice
however, since it relies on .gitignore:

EXCLUDE_FILES:=$(patsubst xen/%,%,$(filter xen/%,$(shell cat 
$(XEN_ROOT)/.gitignore)))

Roger.

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