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Re: [PATCH v2 1/4] build: add make macro for making file from file.in
- To: Jürgen Groß <jgross@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 17 Nov 2025 13:54:41 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 17 Nov 2025 12:54:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 17.11.2025 13:48, Jürgen Groß wrote:
> On 17.11.25 13:29, Jan Beulich wrote:
>> On 14.11.2025 12:32, Juergen Gross wrote:
>>> --- a/Config.mk
>>> +++ b/Config.mk
>>> @@ -159,6 +159,19 @@ define move-if-changed
>>> if ! cmp -s $(1) $(2); then mv -f $(1) $(2); else rm -f $(1); fi
>>> endef
>>>
>>> +PATH_FILES := Paths
>>> +INC_FILES := $(foreach f, $(PATH_FILES), $(XEN_ROOT)/config/$(f).mk)
>>> +
>>> +include $(INC_FILES)
>>
>> Is any of the above part of introducing the macro? "Paths" is already a
>> specific case of holding patterns that want replacing. In turn ...
>>
>>> +BUILD_MAKE_VARS := $(foreach f, $(PATH_FILES), $(shell awk '$$2 == ":=" {
>>> print $$1; }' $(XEN_ROOT)/config/$(f).mk.in))
>>
>> ... it's not quite clear to me how it can be $(PATH_FILES) here.
>
> See patch 4.
>
> PATH_FILES is specifying the .mk files containing the marker definitions.
> I need the ability to have multiple such files in order to be able to let
> tools/configure build its own definitions.
That's a good example - why would that affect the stubdom/ part of the tree?
Imo what pattern file(s) to use wants leaving to the invokee of the macro,
not pinning down globally for everyone.
Jan
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