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[2/2] rust-target-config.bbclass: apply signature exclusions only to native/nativesdk

Message ID 20260114134059.3114851-2-alex.kanavin@gmail.com
State New
Headers show
Series [1/2] rust-target-config.bbclass: add RUST_TARGET_ABI to sstate signature exclusions | expand

Commit Message

Alexander Kanavin Jan. 14, 2026, 1:40 p.m. UTC 
From: Alexander Kanavin <alex@linutronix.de>

Applying these exclusions to target builds and expecting that rebuilds
happen when they should relies on incidental
mechanisms like paths or other variables using the excluded ones.

Rather than think of possible scenarions where it works, and where
it doesn't, let's not exclude the variables from target builds, so
task signature calculation can be relied on.

[YOCTO #16132]

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
---
 meta/classes-recipe/rust-target-config.bbclass | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/meta/classes-recipe/rust-target-config.bbclass b/meta/classes-recipe/rust-target-config.bbclass
index 8e737c1451..a0a590bf62 100644
--- a/meta/classes-recipe/rust-target-config.bbclass
+++ b/meta/classes-recipe/rust-target-config.bbclass
@@ -432,8 +432,10 @@  def rust_gen_target(d, thing, wd, arch):
     with open(wd + rustsys + '.json', 'w') as f:
         json.dump(tspec, f, indent=4)
 
-# These are accounted for in tmpdir path names so don't need to be in the task sig
-rust_gen_target[vardepsexclude] += "ABIEXTENSION llvm_cpu TUNE_RISCV_ABI"
+RUSTCONFIG_EXCLUDEVARS = ""
+RUSTCONFIG_EXCLUDEVARS:class-native = "ABIEXTENSION llvm_cpu TUNE_RISCV_ABI"
+RUSTCONFIG_EXCLUDEVARS:class-nativesdk = "ABIEXTENSION llvm_cpu TUNE_RISCV_ABI"
+rust_gen_target[vardepsexclude] += "${RUSTCONFIG_EXCLUDEVARS}"
 
 do_rust_gen_targets[vardeps] += "DATA_LAYOUT TARGET_ENDIAN TARGET_POINTER_WIDTH TARGET_C_INT_WIDTH MAX_ATOMIC_WIDTH FEATURES"