WHL: fix linux arch selection

Author: neutrinoceros

.github/workflows/cd.yml

@@ -254,16 +254,16 @@ jobs:
         - {pyver: '3.11', abi: abi3}
         #- {pyver: 3.15t, abi: abi3t}
         target:
-        - x86_64
-        - aarch64
+        - {full: x86_64, short: x64}
+        - {full: aarch66, short: amr64}
     steps:
     - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         persist-credentials: false
     - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
       with:
         python-version: ${{ matrix.platform.pyver }}
-        architecture: x64
+        architecture: ${{ matrix.target.short }}
         allow-prereleases: ${{ matrix.platform.pyver == '3.15t' }}
     - uses: astral-sh/setup-uv@681c641aba71e4a1c380be3ab5e12ad51f415867 # v7.1.6
       with:
@@ -275,7 +275,7 @@ jobs:
     - name: Build wheels
       uses: PyO3/maturin-action@04ac600d27cdf7a9a280dadf7147097c42b757ad # v1.50.1
       with:
-        target: ${{ matrix.target }}
+        target: ${{ matrix.target.full }}
         manylinux: '2_28'
         args: --release --out dist --no-default-features -F pyo3/${{ matrix.platform.abi }} -F fma ${{ startsWith( matrix.target , 'aarch64' ) && '-F branchless' || '' }} -i python${{ matrix.platform.pyver }}
     - name: Test wheel
@@ -301,16 +301,16 @@ jobs:
         - {pyver: '3.11', abi: abi3}
         #- {pyver: 3.15t, abi: abi3t}
         target:
-        - x86_64-unknown-linux-musl
-        - aarch64-unknown-linux-musl
+        - {full: x86_64-unknown-linux-musl, short: x64}
+        - {full: aarch64-unknown-linux-musl, short: amr64}
     steps:
     - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         persist-credentials: false
     - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
       with:
         python-version: ${{ matrix.platform.pyver }}
-        architecture: x64
+        architecture: ${{ matrix.target.short }}
         allow-prereleases: ${{ matrix.platform.pyver == '3.15t' }}
     - uses: astral-sh/setup-uv@681c641aba71e4a1c380be3ab5e12ad51f415867 # v7.1.6
       with:
@@ -322,7 +322,7 @@ jobs:
     - name: Build wheels
       uses: PyO3/maturin-action@04ac600d27cdf7a9a280dadf7147097c42b757ad # v1.50.1
       with:
-        target: ${{ matrix.target }}
+        target: ${{ matrix.target.full }}
         manylinux: musllinux_1_2
         args: --release --out dist --no-default-features -F pyo3/${{ matrix.platform.abi }} -F fma ${{ startsWith( matrix.target , 'aarch64' ) && '-F branchless' || '' }} -i python${{ matrix.platform.pyver }}
     - name: Upload wheels

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - DEP: drop support for Python 3.10, require 3.11 or newer
 - DEP: upgrade MSRV to 1.83
 - DEP: bump rust-numpy and pyo3 to 0.29
+- WHL: fix build architecture selection for Linux aarch64 wheels
 
 ## 0.5.3 - 2025-11-15