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+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# vosk publishes no sdist and has no GitHub Actions CI; the wheels come from
+# https://github.com/alphacep/vosk-api/blob/v0.3.45/travis/Dockerfile.dockcross-manylinux
+# and travis/build-wheels-dockcross.sh, whose CROSS_TRIPLE case already names
+# riscv64, built here natively in the manylinux image instead of under dockcross.
+name: Build vosk wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version glob to (re)build; empty builds every version of docs/packages/vosk.yaml not released yet'
+        required: false
+        default: ''
+  pull_request:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-vosk.yml'
+      - 'docs/packages/vosk.yaml'
+  push:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-vosk.yml'
+      - 'docs/packages/vosk.yaml'
+
+run-name: build-vosk ${{ inputs.version && format('- {0}', inputs.version) || '' }}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+env:
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+  # Upstream's Dockerfiles clone these three branch heads unpinned; pinned to the
+  # commits they resolve to, so a rebuild of this version stays reproducible.
+  KALDI_REF: bc5baf14231660bd50b7d05788865b4ac6c34481
+  OPENFST_REF: 18e94e63870ebcf79ebb42b7035cd3cb626ec090
+  CLAPACK_REF: f4e1647de96343fb20eea08a9d4f0e0d04c31c51
+  OPENBLAS_VERSION: v0.3.20
+  VOSK_MODEL: vosk-model-small-en-us-0.15
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+    with:
+      package: vosk
+      version: ${{ inputs.version }}
+
+  build_wheels:
+    name: Build vosk ${{ matrix.version }} py3-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 720
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+
+    env:
+      VOSK_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Checkout alphacep/vosk-api
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: alphacep/vosk-api
+          ref: v${{ env.VOSK_VERSION }}
+          path: vosk-api
+          persist-credentials: false
+
+      - name: Build wheel
+        run: |
+          mkdir -p wheelhouse
+          set -o pipefail
+          docker run --rm -i --network=host \
+            -v "${GITHUB_WORKSPACE}:/work" \
+            -w /work \
+            -e KALDI_REF \
+            -e OPENFST_REF \
+            -e CLAPACK_REF \
+            -e OPENBLAS_VERSION \
+            "${MANYLINUX_RISCV64_IMAGE}" \
+            bash <<'SCRIPT' 2>&1 | tee build.log
+          set -eux
+
+          dnf install -y --disablerepo=extras --setopt=install_weak_deps=False autoconf automake libtool
+
+          fetch() {
+            mkdir -p "$2" && git -C "$2" init -q .
+            git -C "$2" fetch -q --depth 1 "$1" "$3"
+            git -C "$2" checkout -q FETCH_HEAD
+          }
+
+          fetch https://github.com/alphacep/kaldi /opt/kaldi "${KALDI_REF}"
+          cd /opt/kaldi/tools
+          git clone -q --depth 1 -b "${OPENBLAS_VERSION}" --single-branch https://github.com/xianyi/OpenBLAS
+          fetch https://github.com/alphacep/clapack /opt/kaldi/tools/clapack "${CLAPACK_REF}"
+          fetch https://github.com/alphacep/openfst /opt/kaldi/tools/openfst "${OPENFST_REF}"
+
+          # TARGET is what upstream's build-dockcross-manylinux.sh passes per architecture
+          # (ARMV8 there); RISCV64_GENERIC is the only riscv64 target of OpenBLAS 0.3.20
+          # whose kernels are plain C, C910V being RVV 0.7.1.
+          make -C OpenBLAS ONLY_CBLAS=1 TARGET=RISCV64_GENERIC HOSTCC=gcc USE_LOCKING=1 USE_THREAD=0 -j "$(nproc)" all
+          make -C OpenBLAS ONLY_CBLAS=1 TARGET=RISCV64_GENERIC HOSTCC=gcc USE_LOCKING=1 USE_THREAD=0 PREFIX="$(pwd)/OpenBLAS/install" install
+
+          mkdir -p clapack/BUILD && cd clapack/BUILD
+          # clapack declares cmake_minimum_required(VERSION 2.6), which the image's CMake 4 refuses.
+          cmake -DCMAKE_POLICY_VERSION_MINIMUM=3.5 ..
+          make -j "$(nproc)" -C F2CLIBS
+          make -j "$(nproc)" -C BLAS
+          make -j "$(nproc)" -C SRC
+          find . -name "*.a" | xargs cp -t ../../OpenBLAS/install/lib
+
+          cd /opt/kaldi/tools/openfst
+          autoreconf -i
+          CFLAGS="-g -O3" ./configure --prefix=/opt/kaldi/tools/openfst --enable-static --enable-shared \
+            --enable-far --enable-ngram-fsts --enable-lookahead-fsts --with-pic --disable-bin
+          make -j "$(nproc)"
+          make install
+
+          cd /opt/kaldi/src
+          ./configure --mathlib=OPENBLAS_CLAPACK --shared --use-cuda=no
+          sed -i 's: -O1 : -O3 :g' kaldi.mk
+          make -j "$(nproc)" online2 lm rnnlm
+
+          cd /work/vosk-api/src
+          KALDI_ROOT=/opt/kaldi OPENFST_ROOT=/opt/kaldi/tools/openfst \
+            OPENBLAS_ROOT=/opt/kaldi/tools/OpenBLAS/install make -j "$(nproc)"
+
+          export PATH="/opt/python/cp312-cp312/bin:${PATH}"
+          export PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/
+          python -m pip install -q auditwheel cffi requests setuptools srt tqdm websockets wheel
+
+          # libvosk.so statically links all four, and upstream's wheels carry no licence at all.
+          cd /work/vosk-api
+          cp COPYING python/LICENSE
+          cp /opt/kaldi/COPYING python/LICENSE.kaldi
+          cp /opt/kaldi/tools/openfst/COPYING python/LICENSE.openfst
+          cp /opt/kaldi/tools/OpenBLAS/LICENSE python/LICENSE.openblas
+          cp /opt/kaldi/tools/clapack/COPYING python/LICENSE.clapack
+
+          VOSK_SOURCE=/work/vosk-api python -m pip wheel /work/vosk-api/python \
+            --no-deps --no-build-isolation -w /work/dist
+          auditwheel repair --plat manylinux_2_39_riscv64 -w /work/wheelhouse /work/dist/*.whl
+          SCRIPT
+
+      - name: Upload build log
+        if: failure()
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: vosk-${{ env.VOSK_VERSION }}-build-log
+          path: build.log
+
+      - name: Check the wheel bundles libvosk.so and stays interpreter-agnostic
+        run: |
+          python3 - wheelhouse/*.whl <<'EOF'
+          import sys, zipfile
+          for whl in sys.argv[1:]:
+              assert "-py3-none-" in whl and whl.endswith("manylinux_2_39_riscv64.whl"), whl
+              names = zipfile.ZipFile(whl).namelist()
+              assert "vosk/libvosk.so" in names, names
+              assert not any(n.endswith(".so") and ".cpython-" in n for n in names), names
+              # Everything but libstdc++ is linked statically, so auditwheel vendors nothing;
+              # a vosk.libs/ here would mean the wheel ships a library with no licence text.
+              assert not any(n.startswith("vosk.libs/") for n in names), names
+              for want in ("LICENSE", "LICENSE.kaldi", "LICENSE.openfst", "LICENSE.openblas", "LICENSE.clapack"):
+                  assert any(n.endswith("/" + want) for n in names), (want, names)
+              print(whl, "ok")
+          EOF
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: vosk-${{ env.VOSK_VERSION }}-py3-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+      - name: Test wheel
+        run: |
+          docker run --rm -i --network=host \
+            -v "${GITHUB_WORKSPACE}:/work" \
+            -e PIP_EXTRA_INDEX_URL=https://pypi.riseproject.dev/simple/ \
+            -e VOSK_MODEL \
+            "${MANYLINUX_RISCV64_IMAGE}" \
+            bash <<'SCRIPT'
+          set -eux
+
+          cd /tmp
+          for pytag in cp312-cp312 cp313-cp313 cp314-cp314 cp314-cp314t; do
+            PYTHON_BIN="/opt/python/${pytag}/bin/python"
+            "${PYTHON_BIN}" -m pip install -q /work/wheelhouse/*.whl
+            "${PYTHON_BIN}" - /work/vosk-api/python/example/test.wav <<'PY'
+          import json
+          import os
+          import sys
+          import wave
+
+          from vosk import Model, KaldiRecognizer, SetLogLevel
+
+          SetLogLevel(-1)
+          model = Model(model_name=os.environ["VOSK_MODEL"])
+          wf = wave.open(sys.argv[1], "rb")
+          rec = KaldiRecognizer(model, wf.getframerate())
+          rec.SetWords(True)
+          while True:
+              data = wf.readframes(4000)
+              if not data:
+                  break
+              rec.AcceptWaveform(data)
+          result = json.loads(rec.FinalResult())
+          print(result["text"])
+          assert "zero" in result["text"].split(), result
+          assert len(result["result"]) >= 10, result
+          PY
+          done
+          SCRIPT
+
+  publish:
+    name: Publish vosk ${{ matrix.version }}
+    needs: [setup, build_wheels]
+    if: needs.setup.outputs.versions != '[]'
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+    permissions:
+      contents: write
+      pull-requests: write
+    uses: $/.github/workflows/_publish-wheel.yml
+    secrets:
+      app-private-key: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
+    with:
+      artifact-pattern: vosk-${{ matrix.version }}-py3-manylinux_riscv64
@@ -0,0 +1,5 @@
+package-name: vosk
+source-code: https://github.com/alphacep/vosk-api
+license: Apache-2.0
+versions:
+- version: 0.3.45