From 0bf413649369e32bbd53221b2a7123cdfdf46cf4 Mon Sep 17 00:00:00 2001
From: Ludovic Henry <git@ludovic.dev>
Date: Thu, 15 Oct 2026 15:05:42 +0000
Subject: [PATCH 1/2] vmprof: add riscv64 wheel build

Mirrors upstream's own cibuildwheel.yml: meson-python build of the _vmprof
C extension against system libunwind, narrowed to riscv64. Upstream skips
free-threaded wheels (vmprof does not support Py_GIL_DISABLED), so this
drops cp314t from the matrix the same way.
---
 .github/workflows/build-vmprof.yml | 110 +++++++++++++++++++++++++++++
 docs/packages/vmprof.yaml          |   5 ++
 2 files changed, 115 insertions(+)
 create mode 100644 .github/workflows/build-vmprof.yml
 create mode 100644 docs/packages/vmprof.yaml

diff --git a/.github/workflows/build-vmprof.yml b/.github/workflows/build-vmprof.yml
new file mode 100644
index 00000000000..7bc2ea41993
--- /dev/null
+++ b/.github/workflows/build-vmprof.yml
@@ -0,0 +1,110 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# Based on: https://github.com/vmprof/vmprof-python/blob/release-0.6.0/.github/workflows/cibuildwheel.yml
+name: Build vmprof wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version glob to (re)build; empty builds every version of docs/packages/vmprof.yaml not released yet'
+        required: false
+        default: ''
+  pull_request:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-vmprof.yml'
+      - 'docs/packages/vmprof.yaml'
+  push:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-vmprof.yml'
+      - 'docs/packages/vmprof.yaml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read  # to fetch code (actions/checkout)
+
+env:
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+    with:
+      package: vmprof
+      version: ${{ inputs.version }}
+
+  build_wheels:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    name: Build vmprof ${{ matrix.version }} ${{ matrix.python }}-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 60
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+        # Upstream's own CIBW_SKIP drops cp3*t-*: vmprof does not support
+        # free-threaded CPython.
+        python: ["cp312", "cp313", "cp314"]
+
+    env:
+      VMPROF_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Checkout vmprof ${{ env.VMPROF_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: vmprof/vmprof-python
+          ref: ${{ env.VMPROF_VERSION }}
+          persist-credentials: false
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          output-dir: wheelhouse/
+          only: ${{ matrix.python }}-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          CIBW_BEFORE_BUILD_LINUX: dnf install -y libunwind-devel
+          CIBW_TEST_GROUPS: test
+          CIBW_TEST_COMMAND: cd {package} && pytest vmprof jitlog -vv
+
+      - name: Check the wheel ships the extension and licence
+        run: |
+          python3 - wheelhouse/*.whl <<'EOF'
+          import sys, zipfile
+          for whl in sys.argv[1:]:
+              names = zipfile.ZipFile(whl).namelist()
+              assert any(n.startswith("vmprof/") and n.endswith(".so") for n in names), whl
+              assert any(n.endswith(".dist-info/licenses/LICENSE") for n in names), whl
+              print(whl, "ok")
+          EOF
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: vmprof-${{ env.VMPROF_VERSION }}-${{ matrix.python }}-manylinux_riscv64
+          path: ./wheelhouse/*.whl
+          if-no-files-found: error
+
+  publish:
+    name: Publish vmprof ${{ 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: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
+    with:
+      artifact-pattern: vmprof-${{ matrix.version }}-*-manylinux_riscv64
diff --git a/docs/packages/vmprof.yaml b/docs/packages/vmprof.yaml
new file mode 100644
index 00000000000..a3cb560c423
--- /dev/null
+++ b/docs/packages/vmprof.yaml
@@ -0,0 +1,5 @@
+package-name: vmprof
+source-code: https://github.com/vmprof/vmprof-python
+license: MIT
+versions:
+- version: 0.6.0

From 1914acb8b098685c31a1d3021c1982263e95f1c6 Mon Sep 17 00:00:00 2001
From: Ludovic Henry <git@ludovic.dev>
Date: Sun, 25 Oct 2026 18:02:46 +0000
Subject: [PATCH 2/2] vmprof: build libunwind from source on riscv64

manylinux_2_39_riscv64 is RHEL 10-based, which moved libunwind to EPEL;
manylinux enables no EPEL on riscv64 (gotcha 140), so upstream's
`dnf install -y libunwind-devel` before-build fails with 'No match for
argument: libunwind-devel' on all three build legs. Build libunwind
1.8.3 from source instead, same as build-memray.yml.
---
 .github/workflows/build-vmprof.yml | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build-vmprof.yml b/.github/workflows/build-vmprof.yml
index 7bc2ea41993..fa588ed3d45 100644
--- a/.github/workflows/build-vmprof.yml
+++ b/.github/workflows/build-vmprof.yml
@@ -31,6 +31,7 @@ permissions:
 
 env:
   MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+  LIBUNWIND_VERSION: '1.8.3'
 
 jobs:
   setup:
@@ -71,7 +72,22 @@ jobs:
           only: ${{ matrix.python }}-manylinux_riscv64
         env:
           CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
-          CIBW_BEFORE_BUILD_LINUX: dnf install -y libunwind-devel
+          # Upstream's before-build is a plain `dnf install -y libunwind-devel`, which
+          # works on their manylinux_2_28 (AlmaLinux 8) images. RHEL 10 (what
+          # manylinux_2_39 riscv64 is built on) dropped libunwind to EPEL, and manylinux
+          # enables no EPEL on riscv64, so the package simply doesn't exist here
+          # (CLAUDE.md gotcha 140). Build it from source instead: 1.8.3 has riscv64
+          # support since 1.7.0 and `--libdir=/usr/lib64` is load-bearing since
+          # autotools otherwise installs to /usr/lib, off the riscv64 linker/pkg-config
+          # path.
+          CIBW_BEFORE_BUILD_LINUX: >-
+            cd /tmp &&
+            curl -fsSLO https://github.com/libunwind/libunwind/releases/download/v${{ env.LIBUNWIND_VERSION }}/libunwind-${{ env.LIBUNWIND_VERSION }}.tar.gz &&
+            tar xf libunwind-${{ env.LIBUNWIND_VERSION }}.tar.gz &&
+            cd libunwind-${{ env.LIBUNWIND_VERSION }} &&
+            ./configure --prefix=/usr --libdir=/usr/lib64 --disable-documentation
+            --disable-tests --disable-minidebuginfo --disable-zlibdebuginfo &&
+            make -j"$(nproc)" install
           CIBW_TEST_GROUPS: test
           CIBW_TEST_COMMAND: cd {package} && pytest vmprof jitlog -vv