Update workflows to ubuntu-26.04

.github/dependabot.yml

@@ -0,0 +1,8 @@
+version: 2
+
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "wednesday"

.github/workflows/armv7.yml

@@ -18,7 +18,7 @@ on:
 
 jobs:
   build-armv7:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     name: GCC armv7 (NEON, cross-compiled)
 
     steps:
@@ -28,34 +28,34 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install -y \
-          gcc-13-arm-linux-gnueabihf \
-          g++-13-arm-linux-gnueabihf \
-          libstdc++-13-dev-armhf-cross \
+          gcc-15-arm-linux-gnueabihf \
+          g++-15-arm-linux-gnueabihf \
+          libstdc++-15-dev-armhf-cross \
           libc6-armhf-cross \
-          qemu-user-static
+          qemu-user
 
     - name: Verify compiler and NEON target macro
       run: |
-        arm-linux-gnueabihf-g++-13 --version
-        qemu-arm-static --version
-        arm-linux-gnueabihf-g++-13 -std=c++23 -march=armv7-a -mfpu=neon -mfloat-abi=hard -dM -E -x c++ /dev/null | grep "__ARM_NEON"
+        arm-linux-gnueabihf-g++-15 --version
+        qemu-arm --version
+        arm-linux-gnueabihf-g++-15 -std=c++23 -march=armv7-a -mfpu=neon -mfloat-abi=hard -dM -E -x c++ /dev/null | grep "__ARM_NEON"
 
     - name: Create CMake toolchain file
       run: |
         cat > toolchain-armv7.cmake << 'EOF'
         set(CMAKE_SYSTEM_NAME Linux)
         set(CMAKE_SYSTEM_PROCESSOR armv7)
 
-        set(CMAKE_C_COMPILER arm-linux-gnueabihf-gcc-13)
-        set(CMAKE_CXX_COMPILER arm-linux-gnueabihf-g++-13)
+        set(CMAKE_C_COMPILER arm-linux-gnueabihf-gcc-15)
+        set(CMAKE_CXX_COMPILER arm-linux-gnueabihf-g++-15)
 
         set(CMAKE_FIND_ROOT_PATH /usr/arm-linux-gnueabihf)
         set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
         set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
         set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 
         # Use QEMU to run selected target binaries in smoke tests.
-        set(CMAKE_CROSSCOMPILING_EMULATOR qemu-arm-static;-L;/usr/arm-linux-gnueabihf)
+        set(CMAKE_CROSSCOMPILING_EMULATOR qemu-arm;-L;/usr/arm-linux-gnueabihf)
 
         # We're cross-compiling; avoid running target executables during configure.
         set(CMAKE_CROSSCOMPILING TRUE)

.github/workflows/benchmark.yml

@@ -11,11 +11,11 @@ on:
 
 jobs:
   skip_ws_benchmark:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     env:
-      CC: gcc-14
-      CXX: g++-14
+      CC: gcc-15
+      CXX: g++-15
 
     steps:
     - uses: actions/checkout@v6
@@ -45,11 +45,11 @@ jobs:
         fi
 
   string_write_benchmark:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     env:
-      CC: gcc-14
-      CXX: g++-14
+      CC: gcc-15
+      CXX: g++-15
 
     steps:
     - uses: actions/checkout@v6

.github/workflows/big-endian.yml

@@ -18,7 +18,7 @@ on:
 
 jobs:
   build-s390x:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     name: GCC s390x (big-endian, cross-compiled)
 
     steps:
@@ -28,29 +28,31 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install -y \
-          g++-13-s390x-linux-gnu \
-          qemu-user-static \
-          libstdc++-13-dev-s390x-cross
+          g++-15-s390x-linux-gnu \
+          qemu-user \
+          libstdc++-15-dev-s390x-cross
 
     - name: Verify cross-compiler
       run: |
-        s390x-linux-gnu-g++-13 --version
-        qemu-s390x-static --version
+        s390x-linux-gnu-g++-15 --version
+        qemu-s390x --version
 
     - name: Create CMake toolchain file
       run: |
         cat > toolchain-s390x.cmake << 'EOF'
         set(CMAKE_SYSTEM_NAME Linux)
         set(CMAKE_SYSTEM_PROCESSOR s390x)
 
-        set(CMAKE_C_COMPILER s390x-linux-gnu-gcc-13)
-        set(CMAKE_CXX_COMPILER s390x-linux-gnu-g++-13)
+        set(CMAKE_C_COMPILER s390x-linux-gnu-gcc-15)
+        set(CMAKE_CXX_COMPILER s390x-linux-gnu-g++-15)
 
         set(CMAKE_FIND_ROOT_PATH /usr/s390x-linux-gnu)
         set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
         set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
         set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 
+        set(CMAKE_CROSSCOMPILING_EMULATOR qemu-s390x;-L;/usr/s390x-linux-gnu)
+
         # Tell CMake we're cross-compiling, so it won't try to run test executables
         set(CMAKE_CROSSCOMPILING TRUE)
         EOF
@@ -70,8 +72,8 @@ jobs:
           }
         }
         EOF
-        s390x-linux-gnu-g++-13 -std=c++20 /tmp/check_endian.cpp -o /tmp/check_endian
-        qemu-s390x-static -L /usr/s390x-linux-gnu /tmp/check_endian
+        s390x-linux-gnu-g++-15 -std=c++20 /tmp/check_endian.cpp -o /tmp/check_endian
+        qemu-s390x -L /usr/s390x-linux-gnu /tmp/check_endian
 
     - name: Configure CMake
       run: |

.github/workflows/boost-asio.yml

@@ -18,14 +18,14 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     strategy:
       fail-fast: false
       matrix:
         compiler:
-          - { name: clang, version: 18 }
-          - { name: clang, version: 20 }
-          - { name: gcc, version: 14 }
+          - { name: clang, version: 21 }
+          - { name: clang, version: 22 }
+          - { name: gcc, version: 15 }
         boost_version: [1.88.0, 1.86.0]
 
     env:
@@ -35,14 +35,11 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - name: Install clang
-        if: matrix.compiler.name == 'clang'
+      - name: Install Clang dependencies
+        if: ${{ matrix.compiler.name == 'clang' }}
         run: |
-          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-          echo "deb http://apt.llvm.org/noble/ llvm-toolchain-noble-${{ matrix.compiler.version }} main" | sudo tee /etc/apt/sources.list.d/llvm.list
           sudo apt-get update
-          sudo apt-get install -y --fix-missing clang-${{ matrix.compiler.version }} libc++-${{ matrix.compiler.version }}-dev libc++abi-${{ matrix.compiler.version }}-dev
-          echo "PATH=/usr/lib/llvm-${{ matrix.compiler.version }}/bin:$PATH" >> $GITHUB_ENV
+          sudo apt-get install -y libc++-dev libc++abi-dev
 
       - name: Install Boost
         id: install-boost

.github/workflows/clang-format.yml

@@ -11,7 +11,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
 
     steps:
     - uses: actions/checkout@v6
@@ -20,7 +20,7 @@ jobs:
         source: '.'
         exclude: ''
         extensions: 'h,hpp,cpp'
-        clangFormatVersion: 20
+        clangFormatVersion: 22
         style: file
         inplace: True
     - uses: EndBug/add-and-commit@v9

.github/workflows/clang-linux-erlang.yml

@@ -18,12 +18,12 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     strategy:
       fail-fast: false
       matrix:
-        clang: [17, 18]
+        clang: [21, 22]
         build_type: [Debug]
         std: [23]
 

.github/workflows/clang-linux.yml

@@ -18,12 +18,12 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
 
     strategy:
       fail-fast: false
       matrix:
-        clang: [17, 18]
+        clang: [21, 22]
         build_type: [Debug]
         std: [23]
 

.github/workflows/clang-tidy.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   clang-tidy-include-cleaner:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
 
     steps:
     - name: Checkout code
@@ -17,21 +17,16 @@ jobs:
         fetch-depth: 0 # Fetch all history for git diff
         token: ${{ secrets.GITHUB_TOKEN }} # Use GITHUB_TOKEN for pushing changes
 
-    - name: Install Clang-Tidy
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y clang-tools-19
-
     - name: Run Clang-Tidy Include Cleaner
       run: |
         echo "Running clang-tidy on .hpp files"
-        git diff --diff-filter=d --name-only origin/main | grep -E "\.hpp$" | xargs -r -t -n 1 -P 8 -- /usr/bin/clang-tidy-19 --fix --checks="-*,misc-include-cleaner" || true
+        git diff --diff-filter=d --name-only origin/main | grep -E "\.hpp$" | xargs -r -t -n 1 -P 8 -- /usr/bin/clang-tidy-22 --fix --checks="-*,misc-include-cleaner" || true
 
         echo "Running clang-tidy on .cpp files"
-        git diff --diff-filter=d --name-only origin/main | grep -E "\.cpp$" | xargs -r -t -n 1 -P 8 -- /usr/bin/clang-tidy-19 --fix --checks="-*,misc-include-cleaner" || true
+        git diff --diff-filter=d --name-only origin/main | grep -E "\.cpp$" | xargs -r -t -n 1 -P 8 -- /usr/bin/clang-tidy-22 --fix --checks="-*,misc-include-cleaner" || true
 
     - name: Commit changes
-      uses: EndBug/add-and-commit@v9
+      uses: EndBug/add-and-commit@v10
       with:
         author_name: Clang Tidy Bot
         author_email: actions@github.com

.github/workflows/clang.yml

@@ -1,4 +1,4 @@
-name: clang
+name: clang (MacOS)
 
 on:
   push:

.github/workflows/code_coverage.yml

@@ -8,24 +8,24 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
 
     steps:
     - uses: actions/checkout@v6
 
     - name: Set up environment
       run: |
-        echo "CXX=clang++-16" >> "$GITHUB_ENV"
-        echo "CC=clang-16" >> "$GITHUB_ENV"
+        echo "CXX=clang++-22" >> "$GITHUB_ENV"
+        echo "CC=clang-22" >> "$GITHUB_ENV"
         echo "CXXFLAGS="-fprofile-instr-generate -fcoverage-mapping"" >> "$GITHUB_ENV"
         echo "LDFLAGS="-fprofile-instr-generate"" >> "$GITHUB_ENV"
         echo "LLVM_PROFILE_FILE="code-%p.profraw"" >> "$GITHUB_ENV"
 
-    - name: Have llvm-cov point to llvm-cov-16
+    - name: Have llvm-cov point to llvm-cov-22
       run: |
         mkdir -p /home/runner/.local/bin
-        ln -s `which llvm-cov-16` /home/runner/.local/bin/llvm-cov
-        ln -s `which llvm-profdata-16` /home/runner/.local/bin/llvm-profdata
+        ln -s `which llvm-cov-22` /home/runner/.local/bin/llvm-cov
+        ln -s `which llvm-profdata-22` /home/runner/.local/bin/llvm-profdata
 
     - name: Configure CMake
       run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
@@ -37,7 +37,7 @@ jobs:
       run: cmake --build build --config ${{env.BUILD_TYPE}} --target ccov-all -j 2
 
     - name: Archive code coverage results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v7
       with:
         name: code-coverage-report
         path: ${{github.workspace}}/build/ccov/all-merged