Applying patches to linux-libre-X.Y-source conditionally by architecture

Applying patches to linux-libre-X.Y-source conditionally by architecture

[Vagrant Cascadian]

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When patching linux-libre-X.Y-source, is it possible to apply patches
per-architecture? I ask, because I'd like to apply an aarch64/arm64
patch, but would hate to trigger linux-libre rebuilds for all
architectures just to add trivial patches that would have no affect in
most architectures...


I've done basically this same patch for linux-libre@5.11 and @5.10, and
it would be nice to apply for @5.12, too. If we can't get architecture
specific conditionals, then it would be ideal to apply it at the same
time as the next version bump so as not to rebuild twice on all
architectures.


diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index a155c29f8b..ac70bdf4f0 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -489,7 +489,9 @@ corresponding UPSTREAM-SOURCE (an origin), using the given DEBLOB-SCRIPTS."
 (define-public linux-libre-5.10-source
   (source-with-patches linux-libre-5.10-pristine-source
                        (list %boot-logo-patch
-                             %linux-libre-arm-export-__sync_icache_dcache-patch)))
+                             %linux-libre-arm-export-__sync_icache_dcache-patch
+                            (search-patch
+                             "linux-libre-arm64-generic-pinebook-lcd.patch"))))



Thanks!


live well,
  vagrant

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Re: Applying patches to linux-libre-X.Y-source conditionally by architecture

[Vagrant Cascadian]

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On 2021-05-12, Vagrant Cascadian wrote:
> When patching linux-libre-X.Y-source, is it possible to apply patches
> per-architecture? I ask, because I'd like to apply an aarch64/arm64
> patch, but would hate to trigger linux-libre rebuilds for all
> architectures just to add trivial patches that would have no affect in
> most architectures...

Given no comment and limited skills, I ended up just applying the patch
to linux-libre@5.12 b5069d8eaa09d20ed622b284f4004b155fc11ef8

It would still be very nice to be able to do this sort of thing
per-architecture, if anyone might be able to take a look at it!  :)

live well,
  vagrant

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