Merge 'upstream/master' (76b7f53)

.github/CONTRIBUTING.md

@@ -135,7 +135,7 @@ The valid options are:
 * Use `-G` and the name of a generator to use something different. `cmake
   --help` lists the generators available.
       - On Unix, setting `CMAKE_GENERATER=Ninja` in your environment will give
-        you automatic mulithreading on all your CMake projects!
+        you automatic multithreading on all your CMake projects!
 * Open the `CMakeLists.txt` with QtCreator to generate for that IDE.
 * You can use `-DCMAKE_EXPORT_COMPILE_COMMANDS=ON` to generate the `.json` file
   that some tools expect.

.github/workflows/ci.yml

@@ -70,7 +70,7 @@ jobs:
     runs-on: ${{ matrix.runs-on }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Python ${{ matrix.python }}
       uses: actions/setup-python@v4
@@ -196,17 +196,18 @@ jobs:
   #     matrix:
   #       include:
   #       # TODO: Fails on 3.10, investigate
-  #       - python-version: "3.9"
-  #         python-debug: true
-  #         valgrind: true
+  #       # JOB DISABLED (NEEDS WORK): https://github.com/pybind/pybind11/issues/4889
+        # - python-version: "3.9"
+  #       #   python-debug: true
+  #       #   valgrind: true
   #       - python-version: "3.11"
   #         python-debug: false
 
   #   name: "🐍 ${{ matrix.python-version }}${{ matrix.python-debug && '-dbg' || '' }} (deadsnakes)${{ matrix.valgrind && ' • Valgrind' || '' }} • x64"
   #   runs-on: ubuntu-20.04
 
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
 
   #   - name: Setup Python ${{ matrix.python-version }} (deadsnakes)
   #     uses: deadsnakes/[email protected]
@@ -305,12 +306,15 @@ jobs:
           - clang: 15
             std: 20
             container_suffix: "-bullseye"
+          - clang: 16
+            std: 20
+            container_suffix: "-bullseye"
 
     name: "🐍 3 • Clang ${{ matrix.clang }} • C++${{ matrix.std }} • x64"
     container: "silkeh/clang:${{ matrix.clang }}${{ matrix.container_suffix }}"
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Add wget and python3
       run: apt-get update && apt-get install -y python3-dev python3-numpy python3-pytest libeigen3-dev
@@ -344,7 +348,7 @@ jobs:
   #   container: nvidia/cuda:12.2.0-devel-ubuntu22.04
 
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
 
   #   # tzdata will try to ask for the timezone, so set the DEBIAN_FRONTEND
   #   - name: Install 🐍 3
@@ -368,7 +372,7 @@ jobs:
 #    container: centos:8
 #
 #    steps:
-#    - uses: actions/checkout@v3
+#    - uses: actions/checkout@v4
 #
 #    - name: Add Python 3 and a few requirements
 #      run: yum update -y && yum install -y git python3-devel python3-numpy python3-pytest make environment-modules
@@ -404,58 +408,55 @@ jobs:
 #      run: cmake --build build --target test_cmake_build
 
 
-  # # Testing on CentOS 7 + PGI compilers, which seems to require more workarounds
-  # centos-nvhpc7:
-  #   if: ${{ false }}  # JOB DISABLED (NEEDS WORK): https://github.com/pybind/pybind11/issues/4690
-  #   runs-on: ubuntu-latest
-  #   name: "🐍 3 • CentOS7 / PGI 22.9 • x64"
-  #   container: centos:7
+  # # Testing on Ubuntu + NVHPC (previous PGI) compilers, which seems to require more workarounds
+  # ubuntu-nvhpc7:
+  #   runs-on: ubuntu-20.04
+  #   name: "🐍 3 • NVHPC 23.5 • C++17 • x64"
 
+  #   env:
+  #     # tzdata will try to ask for the timezone, so set the DEBIAN_FRONTEND
+  #     DEBIAN_FRONTEND: 'noninteractive'
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
 
-  #   - name: Add Python 3 and a few requirements
-  #     run: yum update -y && yum install -y epel-release && yum install -y git python3-devel make environment-modules cmake3 yum-utils
-
-  #   - name: Install NVidia HPC SDK
-  #     run: yum-config-manager --add-repo https://developer.download.nvidia.com/hpc-sdk/rhel/nvhpc.repo && yum -y install nvhpc-22.9
-
-    # # On CentOS 7, we have to filter a few tests (compiler internal error)
-    # # and allow deeper template recursion (not needed on CentOS 8 with a newer
-    # # standard library). On some systems, you many need further workarounds:
-    # # https://github.com/pybind/pybind11/pull/2475
-    # - name: Configure
-    #   shell: bash
-    #   run: |
-    #     source /etc/profile.d/modules.sh
-    #     module load /opt/nvidia/hpc_sdk/modulefiles/nvhpc/22.9
-    #     cmake3 -S . -B build -DDOWNLOAD_CATCH=ON \
-    #                         -DCMAKE_CXX_STANDARD=11 \
-    #                         -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)") \
-    #                         -DCMAKE_CXX_FLAGS="-Wc,--pending_instantiations=0" \
-    #                         -DPYBIND11_TEST_FILTER="test_smart_ptr.cpp"
-
-    # # Building before installing Pip should produce a warning but not an error
-    # - name: Build
-    #   run: cmake3 --build build -j 2 --verbosedf
-
-  #   # Building before installing Pip should produce a warning but not an error
-  #   - name: Build
-  #     run: cmake3 --build build -j 2 --verbose
+  #   - name: Add NVHPC Repo
+  #     run: |
+  #       echo 'deb [trusted=yes] https://developer.download.nvidia.com/hpc-sdk/ubuntu/amd64 /' | \
+  #         sudo tee /etc/apt/sources.list.d/nvhpc.list
 
-  #   - name: Install CMake with pip
+  #   - name: Install 🐍 3 & NVHPC
   #     run: |
+  #       sudo apt-get update -y && \
+  #       sudo apt-get install -y cmake environment-modules git python3-dev python3-pip python3-numpy && \
+  #       sudo apt-get install -y --no-install-recommends nvhpc-23-5 && \
+  #       sudo rm -rf /var/lib/apt/lists/*
   #       python3 -m pip install --upgrade pip
-  #       python3 -m pip install pytest
+  #       python3 -m pip install --upgrade pytest
+
+  #   # On some systems, you many need further workarounds:
+  #   # https://github.com/pybind/pybind11/pull/2475
+  #   - name: Configure
+  #     shell: bash
+  #     run: |
+  #       source /etc/profile.d/modules.sh
+  #       module load /opt/nvidia/hpc_sdk/modulefiles/nvhpc/23.5
+  #       cmake -S . -B build -DDOWNLOAD_CATCH=ON \
+  #                           -DCMAKE_CXX_STANDARD=17 \
+  #                           -DPYTHON_EXECUTABLE=$(python3 -c "import sys; print(sys.executable)") \
+  #                           -DCMAKE_CXX_FLAGS="-Wc,--pending_instantiations=0" \
+  #                           -DPYBIND11_TEST_FILTER="test_smart_ptr.cpp"
+
+    # - name: Build
+    #   run: cmake --build build -j 2 --verbose
 
   #   - name: Python tests
-  #     run: cmake3 --build build --target pytest
+  #     run: cmake --build build --target pytest
 
   #   - name: C++ tests
-  #     run: cmake3 --build build --target cpptest
+  #     run: cmake --build build --target cpptest
 
   #   - name: Interface test
-  #     run: cmake3 --build build --target test_cmake_build
+  #     run: cmake --build build --target test_cmake_build
 
 
   # Testing on GCC using the GCC docker images (only recent images supported)
@@ -472,12 +473,13 @@ jobs:
           - { gcc: 10, std: 17 }
           - { gcc: 11, std: 20 }
           - { gcc: 12, std: 20 }
+          - { gcc: 13, std: 20 }
 
     name: "🐍 3 • GCC ${{ matrix.gcc }} • C++${{ matrix.std }}• x64"
     container: "gcc:${{ matrix.gcc }}"
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Add Python 3
       run: apt-get update; apt-get install -y python3-dev python3-numpy python3-pytest python3-pip libeigen3-dev
@@ -537,7 +539,7 @@ jobs:
   #   name: "🐍 3 • ICC latest • x64"
 
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
 
   #   - name: Add apt repo
   #     run: |
@@ -640,8 +642,14 @@ jobs:
   #   name: "🐍 3 • ${{ matrix.container }} • x64"
   #   container: "${{ matrix.container }}"
 
-  #   steps:
-  #   - uses: actions/checkout@v3
+    # steps:
+    # - name: Latest actions/checkout
+    #   uses: actions/checkout@v4
+    #   if: matrix.container != 'centos:7'
+
+    # - name: Pin actions/checkout as required for centos:7
+    #   uses: actions/checkout@v3
+    #   if: matrix.container == 'centos:7'
 
   #   - name: Add Python 3 (RHEL 7)
   #     if: matrix.container == 'centos:7'
@@ -688,8 +696,8 @@ jobs:
   #   runs-on: ubuntu-latest
   #   container: i386/debian:buster
 
-  #   steps:
-  #   - uses: actions/checkout@v1  # Required to run inside docker
+    # steps:
+    # - uses: actions/checkout@v1  # Required to run inside docker
 
   #   - name: Install requirements
   #     run: |
@@ -732,7 +740,7 @@ jobs:
   #   runs-on: ubuntu-latest
 
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
 
   #   - uses: actions/setup-python@v4
   #     with:
@@ -786,7 +794,7 @@ jobs:
   #   runs-on: windows-2019
 
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
 
   #   - name: Setup Python ${{ matrix.python }}
   #     uses: actions/setup-python@v4
@@ -839,7 +847,7 @@ jobs:
   #   runs-on: windows-2019
 
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
 
   #   - name: Setup Python ${{ matrix.python }}
   #     uses: actions/setup-python@v4
@@ -887,7 +895,7 @@ jobs:
   #   runs-on: windows-2022
 
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
 
   #   - name: Setup Python ${{ matrix.python }}
   #     uses: actions/setup-python@v4
@@ -966,7 +974,7 @@ jobs:
   #         mingw-w64-${{matrix.env}}-boost
   #         mingw-w64-${{matrix.env}}-catch
 
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
 
   #   - name: Configure C++11
   #     # LTO leads to many undefined reference like
@@ -1037,7 +1045,7 @@ jobs:
   #       run: env
 
   #     - name: Checkout
-  #       uses: actions/checkout@v3
+  #       uses: actions/checkout@v4
 
   #     - name: Set up Clang
   #       uses: egor-tensin/setup-clang@v1
@@ -1051,7 +1059,7 @@ jobs:
   #       uses: jwlawson/[email protected]
 
   #     - name: Install ninja-build tool
-  #       uses: seanmiddleditch/gha-setup-ninja@v3
+  #       uses: seanmiddleditch/gha-setup-ninja@v4
 
   #     - name: Run pip installs
   #       run: |
@@ -1106,7 +1114,7 @@ jobs:
         run: env
 
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Show Clang++ version before brew install llvm
         run: clang++ --version

.github/workflows/configure.yml

@@ -47,7 +47,7 @@ jobs:
     runs-on: ${{ matrix.runs-on }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Python 3.7
       uses: actions/setup-python@v4

.github/workflows/upstream.yml

@@ -25,7 +25,7 @@ jobs:
     if: "contains(github.event.pull_request.labels.*.name, 'python dev')"
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Python 3.12
       uses: actions/setup-python@v4