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Re: [PATCH v2 1/4] build: add make macro for making file from file.in
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Jürgen Groß <jgross@xxxxxxxx>
- Date: Mon, 17 Nov 2025 14:10:36 +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 13:10:48 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 17.11.25 13:54, Jan Beulich wrote:
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.
Yes, I could add the tools specific marker file in the use cases under tools.
The question is whether adding it to 6 Makefiles is really worth that
optimization, especially as only building the man files would be effected
right now (which could change in future, of course).
Juergen
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