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Summary Makefile: The bb-cpp-cross-arm64-linux target depended on avm-transpiler-native instead of a cross-compiled arm64-linux avm-transpiler, so the cross-compiled libavm_transpiler.a was never built. Adds the missing avm-transpiler-cross-arm64-linux target and fixes the dependency. barretenberg-rs release: The release function would error out if generated Rust bindings (api.rs, generated_types.rs) weren't present, even though it's trivial to generate them. Now generates them on-the-fly instead of failing. Follows up on #20814 which added avm-transpiler arm64-linux support.
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…20814, #20932) Cherry-picks two fixes from next that enable the AVM transpiler for linux/arm64 release builds: - avm-transpiler/bootstrap.sh: add arm64-linux case to build_cross - CMakePresets.json: wire AVM_TRANSPILER_LIB for zig-arm64-linux preset - Makefile: add avm-transpiler-cross-arm64-linux target, fix dependency - barretenberg-rs: generate bindings on-the-fly in release function - copy_cross.sh: relax arch check for release context Fixes #20793
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…20932) ## Summary Backports two fixes from `next` that enable the AVM transpiler for `linux/arm64` release builds, resolving [#20793](#20793) — `aztec compile` fails with "AVM Transpiler is not enabled" on `linux/arm64`. **Cherry-picked from:** - #20814 — added `arm64-linux` cross-compile to `avm-transpiler/bootstrap.sh` + wired `AVM_TRANSPILER_LIB` in `CMakePresets.json` - #20932 — fixed Makefile dependency (`bb-cpp-cross-arm64-linux` was depending on `avm-transpiler-native` instead of `avm-transpiler-cross-arm64-linux`), plus `barretenberg-rs` release fix **Root cause:** The `zig-arm64-linux` CMake preset was missing `AVM_TRANSPILER_LIB`, and `avm-transpiler/bootstrap.sh` had no `arm64-linux` case in `build_cross`. The arm64-linux bb binary was compiled without `ENABLE_AVM_TRANSPILER`. **Changes:** - `avm-transpiler/bootstrap.sh` — add `arm64-linux` case to `build_cross` - `barretenberg/cpp/CMakePresets.json` — wire `AVM_TRANSPILER_LIB` for `zig-arm64-linux` preset - `Makefile` — add `avm-transpiler-cross-arm64-linux` target, fix `bb-cpp-cross-arm64-linux` dependency - `barretenberg/rust/bootstrap.sh` — add `release` function with on-the-fly binding generation - `barretenberg/ts/scripts/copy_cross.sh` — relax arch check for release context **Conflict resolution:** `barretenberg/rust/bootstrap.sh` had a minor conflict — the `release` function didn't exist on v4. Resolved by accepting the full function. ## Test plan - [x] Native avm-transpiler build succeeds - [x] Makefile targets verified: `avm-transpiler-cross-arm64-linux`, `bb-cpp-cross-arm64-linux` dependency corrected - [x] CMake preset verified: `zig-arm64-linux` has `AVM_TRANSPILER_LIB` pointing to correct cross-compiled path - [ ] Full cross-compilation validated in release CI Closes #20793 ClaudeBox log: http://ci.aztec-labs.com/596d4a62f30fd2f0-2
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Mar 12, 2026
…20932) Backports two fixes from `next` that enable the AVM transpiler for `linux/arm64` release builds, resolving [#20793](#20793) — `aztec compile` fails with "AVM Transpiler is not enabled" on `linux/arm64`. **Cherry-picked from:** - #20814 — added `arm64-linux` cross-compile to `avm-transpiler/bootstrap.sh` + wired `AVM_TRANSPILER_LIB` in `CMakePresets.json` - #20932 — fixed Makefile dependency (`bb-cpp-cross-arm64-linux` was depending on `avm-transpiler-native` instead of `avm-transpiler-cross-arm64-linux`), plus `barretenberg-rs` release fix **Root cause:** The `zig-arm64-linux` CMake preset was missing `AVM_TRANSPILER_LIB`, and `avm-transpiler/bootstrap.sh` had no `arm64-linux` case in `build_cross`. The arm64-linux bb binary was compiled without `ENABLE_AVM_TRANSPILER`. **Changes:** - `avm-transpiler/bootstrap.sh` — add `arm64-linux` case to `build_cross` - `barretenberg/cpp/CMakePresets.json` — wire `AVM_TRANSPILER_LIB` for `zig-arm64-linux` preset - `Makefile` — add `avm-transpiler-cross-arm64-linux` target, fix `bb-cpp-cross-arm64-linux` dependency - `barretenberg/rust/bootstrap.sh` — add `release` function with on-the-fly binding generation - `barretenberg/ts/scripts/copy_cross.sh` — relax arch check for release context **Conflict resolution:** `barretenberg/rust/bootstrap.sh` had a minor conflict — the `release` function didn't exist on v4. Resolved by accepting the full function. - [x] Native avm-transpiler build succeeds - [x] Makefile targets verified: `avm-transpiler-cross-arm64-linux`, `bb-cpp-cross-arm64-linux` dependency corrected - [x] CMake preset verified: `zig-arm64-linux` has `AVM_TRANSPILER_LIB` pointing to correct cross-compiled path - [ ] Full cross-compilation validated in release CI Closes #20793 ClaudeBox log: http://ci.aztec-labs.com/596d4a62f30fd2f0-2
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…20932) Backports two fixes from `next` that enable the AVM transpiler for `linux/arm64` release builds, resolving [#20793](#20793) — `aztec compile` fails with "AVM Transpiler is not enabled" on `linux/arm64`. **Cherry-picked from:** - #20814 — added `arm64-linux` cross-compile to `avm-transpiler/bootstrap.sh` + wired `AVM_TRANSPILER_LIB` in `CMakePresets.json` - #20932 — fixed Makefile dependency (`bb-cpp-cross-arm64-linux` was depending on `avm-transpiler-native` instead of `avm-transpiler-cross-arm64-linux`), plus `barretenberg-rs` release fix **Root cause:** The `zig-arm64-linux` CMake preset was missing `AVM_TRANSPILER_LIB`, and `avm-transpiler/bootstrap.sh` had no `arm64-linux` case in `build_cross`. The arm64-linux bb binary was compiled without `ENABLE_AVM_TRANSPILER`. **Changes:** - `avm-transpiler/bootstrap.sh` — add `arm64-linux` case to `build_cross` - `barretenberg/cpp/CMakePresets.json` — wire `AVM_TRANSPILER_LIB` for `zig-arm64-linux` preset - `Makefile` — add `avm-transpiler-cross-arm64-linux` target, fix `bb-cpp-cross-arm64-linux` dependency - `barretenberg/rust/bootstrap.sh` — add `release` function with on-the-fly binding generation - `barretenberg/ts/scripts/copy_cross.sh` — relax arch check for release context **Conflict resolution:** `barretenberg/rust/bootstrap.sh` had a minor conflict — the `release` function didn't exist on v4. Resolved by accepting the full function. - [x] Native avm-transpiler build succeeds - [x] Makefile targets verified: `avm-transpiler-cross-arm64-linux`, `bb-cpp-cross-arm64-linux` dependency corrected - [x] CMake preset verified: `zig-arm64-linux` has `AVM_TRANSPILER_LIB` pointing to correct cross-compiled path - [ ] Full cross-compilation validated in release CI Closes #20793 ClaudeBox log: http://ci.aztec-labs.com/596d4a62f30fd2f0-2
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Summary
Makefile: The bb-cpp-cross-arm64-linux target depended on avm-transpiler-native instead of a cross-compiled arm64-linux avm-transpiler, so the cross-compiled libavm_transpiler.a was never built. Adds the missing avm-transpiler-cross-arm64-linux target and fixes the dependency.
barretenberg-rs release: The release function would error out if generated Rust bindings (api.rs, generated_types.rs) weren't present, even though it's trivial to generate them. Now generates them on-the-fly instead of failing.
Follows up on #20814 which added avm-transpiler arm64-linux support.