enable riscv64 wheels (#506)

Author: davidism

.github/workflows/publish.yaml

@@ -52,7 +52,7 @@ jobs:
         if: runner.os == 'Linux'
         uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 # v3.6.0
         with:
-          platforms: arm64
+          platforms: arm64,riscv64
       - run: echo "SOURCE_DATE_EPOCH=$(git log -1 --pretty=%ct)" >> $GITHUB_ENV
       - uses: pypa/cibuildwheel@7c619efba910c04005a835b110b057fc28fd6e93 # v3.2.0
         env:

CHANGES.rst

@@ -9,6 +9,7 @@ Unreleased
     :issue:`494`
 -   Build Windows ARM64 wheels. :issue:`485`
 -   Build Python 3.14 wheels. :issue:`503`
+-   Build riscv64 wheels. :issue:`505`
 
 
 Version 3.0.2

pyproject.toml

@@ -194,8 +194,13 @@ commands = [["uv", "lock", {replace = "posargs", default = ["-U"], extend = true
 enable = "cpython-freethreading"
 build-frontend = "build[uv]"
 
+[[tool.cibuildwheel.overrides]]
+select = "*-musllinux_riscv64"
+# uv is not available
+build-frontend = "build"
+
 [tool.cibuildwheel.linux]
-archs = ["x86_64", "aarch64"]
+archs = ["x86_64", "aarch64", "riscv64"]
 
 [tool.cibuildwheel.macos]
 archs = ["x86_64", "arm64"]