Project-OSRM · DennisOSRM · Sep 24, 2025 · Sep 13, 2025 · Sep 13, 2025 · Sep 13, 2025
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,8 +1,9 @@
 # Unreleased
   - Changes from 6.0.0
     - Misc:
+      - CHANGED: Update fmt library to version 11.2.0 [#7238](https://github.com/Project-OSRM/osrm-backend/issues/7238)
       - CHANGED: Upgrade protozero from v1.7.1 to v1.8.1 [#7239](https://github.com/Project-OSRM/osrm-backend/pull/7239)
-      - CHANGED: Replace std::is_trivial with std::is_trivially_default_constructible && std::is_trivially_copyable [#7245](https://github.com/Project-OSRM/osrm-backend/issues/7245)
+      - CHANGED: Replace `std::is_trivial` with `std::is_trivially_default_constructible && std::is_trivially_copyable` [#7245](https://github.com/Project-OSRM/osrm-backend/issues/7245)
       - ADDED: Add husky pre-commit hook for compiling and linting staged JS files [#7228](https://github.com/Project-OSRM/osrm-backend/issues/7228)
       - CHANGED: Standardize linting configuration with ESM-specific rules [#7229](https://github.com/Project-OSRM/osrm-backend/issues/7229)
       - CHANGED: Convert scripts from CommonJS to modern ESM format [#7230](https://github.com/Project-OSRM/osrm-backend/pull/7230)

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -268,6 +268,7 @@ elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
   # using Visual Studio C++
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj") # avoid compiler error C1128 from scripting_environment_lua.cpp
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /DWIN32_LEAN_AND_MEAN") # avoid compiler error C2011 from dual #include of winsock.h and winsock2.h
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /utf-8") # support Unicode in fmt library
   add_dependency_defines(-DBOOST_LIB_DIAGNOSTIC)
   add_dependency_defines(-D_CRT_SECURE_NO_WARNINGS)
   add_dependency_defines(-DNOMINMAX) # avoid min and max macros that can break compilation

diff --git a/scripts/update_dependencies.sh b/scripts/update_dependencies.sh
@@ -28,7 +28,7 @@ VTZERO_PATH="mapbox/vtzero"
 VTZERO_TAG=v1.1.0
 
 FMT_PATH="fmtlib/fmt"
-FMT_TAG=v10.2.1
+FMT_TAG=11.2.0
 
 FLATBUFFERS_PATH="google/flatbuffers"
 FLATBUFFERS_TAG=v24.3.25

diff --git a/third_party/fmt/.clang-format b/third_party/fmt/.clang-format
@@ -6,3 +6,10 @@ IndentPPDirectives: AfterHash
 IndentCaseLabels: false
 AlwaysBreakTemplateDeclarations: false
 DerivePointerAlignment: false
+AllowShortCaseLabelsOnASingleLine: true
+QualifierAlignment: Left
+AlignConsecutiveShortCaseStatements:
+  Enabled: true
+  AcrossEmptyLines: true
+  AcrossComments: true
+  AlignCaseColons: false
diff --git a/third_party/fmt/.github/dependabot.yml b/third_party/fmt/.github/dependabot.yml
@@ -1,8 +1,8 @@
 version: 2
 updates:
-  - package-ecosystem: "github-actions" # Necessary to update action hashs	
+  - package-ecosystem: "github-actions" # Necessary to update action hashes.	
     directory: "/"
     schedule:
       interval: "monthly"
-    # Allow up to 3 opened pull requests for github-actions versions
+    # Allow up to 3 opened pull requests for github-actions versions.
     open-pull-requests-limit: 3
diff --git a/third_party/fmt/.github/workflows/cifuzz.yml b/third_party/fmt/.github/workflows/cifuzz.yml
@@ -8,22 +8,24 @@ jobs:
   Fuzzing:
     runs-on: ubuntu-latest
     steps:
-    - name: Build Fuzzers
+    - name: Build fuzzers
       id: build
-      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@061583ebb5a96653e42feb3a97ee513eedc18078 # master
+      uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@92182553173581f871130c71c71b17f003d47b0a
       with:
         oss-fuzz-project-name: 'fmt'
         dry-run: false
         language: c++
-    - name: Run Fuzzers
-      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@061583ebb5a96653e42feb3a97ee513eedc18078 # master
+
+    - name: Run fuzzers
+      uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@92182553173581f871130c71c71b17f003d47b0a
       with:
         oss-fuzz-project-name: 'fmt'
         fuzz-seconds: 300
         dry-run: false
         language: c++
-    - name: Upload Crash
-      uses: actions/upload-artifact@c7d193f32edcb7bfad88892161225aeda64e9392 # v4.0.0
+
+    - name: Upload crash
+      uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
       if: failure() && steps.build.outcome == 'success'
       with:
         name: artifacts

diff --git a/third_party/fmt/.github/workflows/doc.yml b/third_party/fmt/.github/workflows/doc.yml
@@ -7,29 +7,36 @@ permissions:
 
 jobs:
   build:
-    # Use Ubuntu 20.04 because doxygen 1.8.13 from Ubuntu 18.04 is broken.
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
-    - name: Add ubuntu mirrors
+    - name: Add Ubuntu mirrors
       run: |
         # Github Actions caching proxy is at times unreliable
         # see https://github.com/actions/runner-images/issues/7048
         printf 'http://azure.archive.ubuntu.com/ubuntu\tpriority:1\n' | sudo tee /etc/apt/mirrors.txt
         curl http://mirrors.ubuntu.com/mirrors.txt | sudo tee --append /etc/apt/mirrors.txt
         sudo sed -i 's~http://azure.archive.ubuntu.com/ubuntu/~mirror+file:/etc/apt/mirrors.txt~' /etc/apt/sources.list
 
-    - name: Create Build Environment
+    - name: Create build environment
       run: |
         sudo apt update
-        sudo apt install doxygen python3-virtualenv
-        sudo npm install -g less clean-css
+        sudo apt install doxygen
+        pip install mkdocs-material==9.5.25 mkdocstrings==0.26.1 mike==2.1.1
         cmake -E make_directory ${{runner.workspace}}/build
+        # Workaround https://github.com/actions/checkout/issues/13:
+        git config --global user.name "$(git --no-pager log --format=format:'%an' -n 1)"
+        git config --global user.email "$(git --no-pager log --format=format:'%ae' -n 1)"
 
     - name: Build
       working-directory: ${{runner.workspace}}/build
+      run: $GITHUB_WORKSPACE/support/mkdocs deploy dev
+
+    - name: Deploy
       env:
-        KEY: ${{secrets.KEY}}
-      run: $GITHUB_WORKSPACE/support/build-docs.py
+        KEY: "${{secrets.KEY}}"
+      if: env.KEY != '' && github.ref == 'refs/heads/master'
+      working-directory: ${{runner.workspace}}/fmt/build/fmt.dev
+      run: git push https://[email protected]/fmtlib/fmt.dev.git
diff --git a/third_party/fmt/.github/workflows/lint.yml b/third_party/fmt/.github/workflows/lint.yml
@@ -13,14 +13,16 @@ jobs:
   format_code:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
     - name: Install clang-format
-      uses: aminya/setup-cpp@v1
-      with:
-        clangformat: 17.0.5
+      run: |
+        wget https://apt.llvm.org/llvm.sh
+        sudo bash ./llvm.sh 17
+        sudo apt install clang-format-17
 
     - name: Run clang-format
       run: |
-        find include src -name '*.h' -o -name '*.cc' |  xargs clang-format -i -style=file -fallback-style=none
+        find include src -name '*.h' -o -name '*.cc' | \
+          xargs clang-format-17 -i -style=file -fallback-style=none
         git diff --exit-code
diff --git a/third_party/fmt/.github/workflows/linux.yml b/third_party/fmt/.github/workflows/linux.yml
@@ -7,80 +7,143 @@ permissions:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
-        cxx: [g++-4.8, g++-10, clang++-9]
+        cxx: [g++-4.9, g++-11, clang++-3.6, clang++-11]
         build_type: [Debug, Release]
         std: [11]
+        shared: [""]
         include:
-          - cxx: g++-4.8
-            install: sudo apt install g++-4.8
-          - cxx: g++-8
+          - cxx: g++-4.9
+          - cxx: clang++-3.6
+          - cxx: g++-11
             build_type: Debug
             std: 14
-            install: sudo apt install g++-8
-          - cxx: g++-8
-            build_type: Debug
-            std: 17
-            install: sudo apt install g++-8
-          - cxx: g++-9
-            build_type: Debug
-            std: 17
-          - cxx: g++-10
+            install: sudo apt install g++-11
+          - cxx: g++-11
             build_type: Debug
             std: 17
           - cxx: g++-11
             build_type: Debug
             std: 20
             install: sudo apt install g++-11
-          - cxx: clang++-8
+          - cxx: g++-13
+            build_type: Release
+            std: 23
+            install: sudo apt install g++-13
+            shared: -DBUILD_SHARED_LIBS=ON
+          - cxx: clang++-11
             build_type: Debug
             std: 17
             cxxflags: -stdlib=libc++
-            install: sudo apt install clang-8 libc++-8-dev libc++abi-8-dev
-          - cxx: clang++-9
-            install: sudo apt install clang-9
-          - cxx: clang++-9
+            install: sudo apt install clang-11 libc++-11-dev libc++abi-11-dev
+          - cxx: clang++-11
+            install: sudo apt install clang-11
+          - cxx: clang++-11
             build_type: Debug
             fuzz: -DFMT_FUZZ=ON -DFMT_FUZZ_LINKMAIN=ON
             std: 17
-            install: sudo apt install clang-9
-          - cxx: clang++-11
+            install: sudo apt install clang-11
+          - cxx: clang++-14
             build_type: Debug
             std: 20
-          - cxx: clang++-11
+          - cxx: clang++-14
             build_type: Debug
             std: 20
             cxxflags: -stdlib=libc++
-            install: sudo apt install libc++-11-dev libc++abi-11-dev
-          - shared: -DBUILD_SHARED_LIBS=ON
+            install: sudo apt install libc++-14-dev libc++abi-14-dev
 
     steps:
-    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
     - name: Set timezone
-      run: sudo timedatectl set-timezone 'Asia/Yekaterinburg'
+      run: sudo timedatectl set-timezone 'Europe/Kyiv'
+
+    - name: Install GCC 4.9
+      run: |
+        sudo apt update
+        sudo apt install libatomic1 libc6-dev libgomp1 libitm1 libmpc3
+        # https://launchpad.net/ubuntu/xenial/amd64/g++-4.9/4.9.3-13ubuntu2
+        wget --no-verbose \
+          http://launchpadlibrarian.net/230069137/libmpfr4_3.1.3-2_amd64.deb \
+          http://launchpadlibrarian.net/253728424/libasan1_4.9.3-13ubuntu2_amd64.deb \
+          http://launchpadlibrarian.net/445346135/libubsan0_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/445346112/libcilkrts5_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/253728426/libgcc-4.9-dev_4.9.3-13ubuntu2_amd64.deb \
+          http://launchpadlibrarian.net/253728432/libstdc++-4.9-dev_4.9.3-13ubuntu2_amd64.deb \
+          http://launchpadlibrarian.net/253728314/gcc-4.9-base_4.9.3-13ubuntu2_amd64.deb \
+          http://launchpadlibrarian.net/445345919/gcc-5-base_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/253728399/cpp-4.9_4.9.3-13ubuntu2_amd64.deb \
+          http://launchpadlibrarian.net/253728404/gcc-4.9_4.9.3-13ubuntu2_amd64.deb \
+          http://launchpadlibrarian.net/253728401/g++-4.9_4.9.3-13ubuntu2_amd64.deb
+        sudo dpkg -i \
+          libmpfr4_3.1.3-2_amd64.deb \
+          libasan1_4.9.3-13ubuntu2_amd64.deb \
+          libubsan0_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          libcilkrts5_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          libgcc-4.9-dev_4.9.3-13ubuntu2_amd64.deb \
+          libstdc++-4.9-dev_4.9.3-13ubuntu2_amd64.deb \
+          gcc-4.9-base_4.9.3-13ubuntu2_amd64.deb \
+          gcc-5-base_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          cpp-4.9_4.9.3-13ubuntu2_amd64.deb \
+          gcc-4.9_4.9.3-13ubuntu2_amd64.deb \
+          g++-4.9_4.9.3-13ubuntu2_amd64.deb
+      if: ${{ matrix.cxx == 'g++-4.9' }}
+
+    - name: Install Clang 3.6
+      run: |
+        sudo apt update
+        sudo apt install libtinfo5
+        # https://code.launchpad.net/ubuntu/xenial/amd64/clang-3.6/1:3.6.2-3ubuntu2
+        wget --no-verbose \
+          http://launchpadlibrarian.net/230019046/libffi6_3.2.1-4_amd64.deb \
+          http://launchpadlibrarian.net/445346109/libasan2_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/445346135/libubsan0_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/445346112/libcilkrts5_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/445346128/libmpx0_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/445346113/libgcc-5-dev_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/445346131/libstdc++-5-dev_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/445346022/libobjc-5-dev_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/254405108/libllvm3.6v5_3.6.2-3ubuntu2_amd64.deb \
+          http://launchpadlibrarian.net/254405097/libclang-common-3.6-dev_3.6.2-3ubuntu2_amd64.deb \
+          http://launchpadlibrarian.net/254405101/libclang1-3.6_3.6.2-3ubuntu2_amd64.deb \
+          http://launchpadlibrarian.net/445345919/gcc-5-base_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          http://launchpadlibrarian.net/254405091/clang-3.6_3.6.2-3ubuntu2_amd64.deb
+        sudo dpkg -i \
+          libffi6_3.2.1-4_amd64.deb \
+          libasan2_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          libubsan0_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          libcilkrts5_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          libmpx0_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          libgcc-5-dev_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          libstdc++-5-dev_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          libobjc-5-dev_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          libllvm3.6v5_3.6.2-3ubuntu2_amd64.deb \
+          libclang-common-3.6-dev_3.6.2-3ubuntu2_amd64.deb \
+          libclang1-3.6_3.6.2-3ubuntu2_amd64.deb \
+          gcc-5-base_5.4.0-6ubuntu1~16.04.12_amd64.deb \
+          clang-3.6_3.6.2-3ubuntu2_amd64.deb
+      if: ${{ matrix.cxx == 'clang++-3.6' }}
 
-    - name: Add repositories for older GCC
+    - name: Add repositories for newer GCC
       run: |
-        # Below two repos provide GCC 4.8, 5.5 and 6.4
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic main'
-        sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic universe'
-        # Below two repos additionally update GCC 6 to 6.5
-        # sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic-updates main'
-        # sudo apt-add-repository 'deb http://azure.archive.ubuntu.com/ubuntu/ bionic-updates universe'
-      if: ${{ matrix.cxx == 'g++-4.8' }}
+        sudo apt-add-repository ppa:ubuntu-toolchain-r/test
+      if: ${{ matrix.cxx == 'g++-13' }}
 
-    - name: Add ubuntu mirrors
+    - name: Add Ubuntu mirrors
       run: |
-        # Github Actions caching proxy is at times unreliable
-        # see https://github.com/actions/runner-images/issues/7048
-        printf 'http://azure.archive.ubuntu.com/ubuntu\tpriority:1\n' | sudo tee /etc/apt/mirrors.txt
-        curl http://mirrors.ubuntu.com/mirrors.txt | sudo tee --append /etc/apt/mirrors.txt
-        sudo sed -i 's~http://azure.archive.ubuntu.com/ubuntu/~mirror+file:/etc/apt/mirrors.txt~' /etc/apt/sources.list
+        # GitHub Actions caching proxy is at times unreliable
+        # see https://github.com/actions/runner-images/issues/7048.
+        mirrors=/etc/apt/mirrors.txt
+        printf 'http://azure.archive.ubuntu.com/ubuntu\tpriority:1\n' | \
+          sudo tee $mirrors
+        curl http://mirrors.ubuntu.com/mirrors.txt | sudo tee --append $mirrors
+        sudo sed -i \
+          "s~http://azure.archive.ubuntu.com/ubuntu/~mirror+file:$mirrors~" \
+          /etc/apt/sources.list
 
-    - name: Create Build Environment
+    - name: Create build environment
       run: |
         sudo apt update
         ${{matrix.install}}
@@ -93,10 +156,12 @@ jobs:
         CXX: ${{matrix.cxx}}
         CXXFLAGS: ${{matrix.cxxflags}}
       run: |
-        cmake -DCMAKE_BUILD_TYPE=${{matrix.build_type}} ${{matrix.fuzz}} ${{matrix.shared}} \
-              -DCMAKE_CXX_STANDARD=${{matrix.std}} -DFMT_DOC=OFF \
-              -DCMAKE_CXX_VISIBILITY_PRESET=hidden -DCMAKE_VISIBILITY_INLINES_HIDDEN=ON \
-              -DFMT_PEDANTIC=ON -DFMT_WERROR=ON $GITHUB_WORKSPACE
+        cmake -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \
+              -DCMAKE_CXX_STANDARD=${{matrix.std}} \
+              -DCMAKE_CXX_VISIBILITY_PRESET=hidden \
+              -DCMAKE_VISIBILITY_INLINES_HIDDEN=ON \
+              -DFMT_DOC=OFF -DFMT_PEDANTIC=ON -DFMT_WERROR=ON \
+              ${{matrix.fuzz}} ${{matrix.shared}} $GITHUB_WORKSPACE
 
     - name: Build
       working-directory: ${{runner.workspace}}/build

diff --git a/third_party/fmt/.github/workflows/macos.yml b/third_party/fmt/.github/workflows/macos.yml
@@ -9,23 +9,26 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [macos-11, macos-13]
+        os: [macos-13, macos-14]
         build_type: [Debug, Release]
         std: [11, 17, 20]
+        shared: [""]
         exclude:
-          - { os: macos-11, std: 20 }
           - { os: macos-13, std: 11 }
           - { os: macos-13, std: 17 }
         include:
-          - shared: -DBUILD_SHARED_LIBS=ON
+          - os: macos-14
+            std: 23
+            build_type: Release
+            shared: -DBUILD_SHARED_LIBS=ON
 
     runs-on: '${{ matrix.os }}'
 
     steps:
-    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
 
     - name: Set timezone
-      run: sudo systemsetup -settimezone 'Asia/Yekaterinburg'
+      run: sudo systemsetup -settimezone 'Europe/Minsk'
 
     - name: Select Xcode 14.3 (macOS 13)
       run: sudo xcode-select -s "/Applications/Xcode_14.3.app"