Improve C++11 support

.clang-format

@@ -25,4 +25,6 @@ BraceWrapping:
 AllowAllConstructorInitializersOnNextLine: true
 ConstructorInitializerAllOnOneLineOrOnePerLine: true
 AllowShortCaseLabelsOnASingleLine: true
+IfMacros:
+  - RAPIDFUZZ_IF_CONSTEXPR
 IndentPPDirectives: AfterHash

.github/workflows/linux-simple.yml

@@ -0,0 +1,134 @@
+name: Linux builds (basic)
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: ${{matrix.cxx}}, C++${{matrix.std}}, ${{matrix.build_type}}
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+      matrix:
+        compiler:
+          - g++-5
+          - g++-6
+          - g++-7
+          - g++-8
+          - g++-9
+          - g++-10
+          - clang++-6.0
+          - clang++-7
+          - clang++-8
+          - clang++-9
+          - clang++-10
+        build_type: [Debug, Release]
+        std: [11]
+        include:
+          - cxx: g++-5
+            other_pkgs: g++-5
+          - cxx: g++-6
+            other_pkgs: g++-6
+          - cxx: g++-7
+            other_pkgs: g++-7
+          - cxx: g++-8
+            other_pkgs: g++-8
+          - cxx: g++-9
+            other_pkgs: g++-9
+          - cxx: g++-10
+            other_pkgs: g++-10
+          - cxx: clang++-6.0
+            other_pkgs: clang-6.0
+          - cxx: clang++-7
+            other_pkgs: clang-7
+          - cxx: clang++-8
+            other_pkgs: clang-8
+          - cxx: clang++-9
+            other_pkgs: clang-9
+          - cxx: clang++-10
+            other_pkgs: clang-10
+
+          - cxx: clang++-10
+            other_pkgs: clang-10
+            std: 14
+            build_type: Debug
+          - cxx: clang++-10
+            other_pkgs: clang-10
+            std: 17
+            build_type: Debug
+          - cxx: clang++-10
+            other_pkgs: clang-10
+            std: 20
+            build_type: Debug
+          - cxx: g++-10
+            other_pkgs: g++-10
+            std: 14
+            build_type: Debug
+          - cxx: g++-10
+            other_pkgs: g++-10
+            std: 17
+            build_type: Debug
+          - cxx: g++-10
+            other_pkgs: g++-10
+            std: 20
+            build_type: Debug
+
+          - cxx: clang++-10
+            other_pkgs: clang-10
+            std: 14
+            build_type: Release
+          - cxx: clang++-10
+            other_pkgs: clang-10
+            std: 17
+            build_type: Release
+          - cxx: clang++-10
+            other_pkgs: clang-10
+            std: 20
+            build_type: Release
+          - cxx: g++-10
+            other_pkgs: g++-10
+            std: 14
+            build_type: Release
+          - cxx: g++-10
+            other_pkgs: g++-10
+            std: 17
+            build_type: Release
+          - cxx: g++-10
+            other_pkgs: g++-10
+            std: 20
+            build_type: Release
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Add repositories for older GCC
+      run: |
+        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'
+      if: ${{ matrix.cxx == 'g++-5' || matrix.cxx == 'g++-6' }}
+
+    - name: Prepare environment
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y ninja-build ${{matrix.other_pkgs}}
+
+    - name: Configure CMake
+      env:
+        CXX: ${{matrix.cxx}}
+      run: |
+        cmake -B build \
+              -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \
+              -DCMAKE_CXX_STANDARD=${{matrix.std}} \
+              -DCMAKE_CXX_STANDARD_REQUIRED=ON \
+              -DCMAKE_CXX_EXTENSIONS=OFF \
+              -DRAPIDFUZZ_BUILD_TESTING=1 \
+              -DRAPIDFUZZ_ENABLE_LINTERS=1 \
+              -G Ninja
+
+    - name: Build
+      working-directory: build
+      run: ninja
+
+    - name: Test
+      working-directory: build
+      run: ctest -C ${{matrix.build_type}} --rerun-failed --output-on-failure -j `nproc`
+

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## Changelog
 
+## [3.3.0] - 2025-01-18
+### Changed
+- add C++11 and C++14 support
+
 ## [3.2.0] - 2024-12-17
 ### Performance
 - improve calculation of min score inside partial_ratio so it can skip more alignments

CMakeLists.txt

@@ -32,7 +32,7 @@ if (CMAKE_BINARY_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
     message(FATAL_ERROR "Building in-source is not supported! Create a build dir and remove ${CMAKE_SOURCE_DIR}/CMakeCache.txt")
 endif()
 
-project(rapidfuzz LANGUAGES CXX VERSION 3.2.0)
+project(rapidfuzz LANGUAGES CXX VERSION 3.3.0)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
 include(GNUInstallDirs)
@@ -50,7 +50,7 @@ add_library(rapidfuzz INTERFACE)
 # provide a namespaced alias for clients to 'link' against if RapidFuzz is included as a sub-project
 add_library(rapidfuzz::rapidfuzz ALIAS rapidfuzz)
 
-target_compile_features(rapidfuzz INTERFACE cxx_std_17)
+target_compile_features(rapidfuzz INTERFACE cxx_std_11)
 
 target_include_directories(rapidfuzz
     INTERFACE