From 8c1d14093dac3843ad2d750af96e5875b6ff22f1 Mon Sep 17 00:00:00 2001
From: "Doncho N. Gunchev" <dgunchev@gmail.com>
Date: Sat, 7 Feb 2026 15:51:42 +0200
Subject: [PATCH] Add CMake workflow

---
 .github/workflows/cmake-multi-platform.yml | 75 ++++++++++++++++++++++
 CMakeLists.txt                             |  6 +-
 2 files changed, 78 insertions(+), 3 deletions(-)
 create mode 100644 .github/workflows/cmake-multi-platform.yml

diff --git a/.github/workflows/cmake-multi-platform.yml b/.github/workflows/cmake-multi-platform.yml
new file mode 100644
index 0000000..352539d
--- /dev/null
+++ b/.github/workflows/cmake-multi-platform.yml
@@ -0,0 +1,75 @@
+# This starter workflow is for a CMake project running on multiple platforms. There is a different starter workflow if you just want a single platform.
+# See: https://github.com/actions/starter-workflows/blob/main/ci/cmake-single-platform.yml
+name: CMake on multiple platforms
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
+      fail-fast: false
+
+      # Set up a matrix to run the following 3 configurations:
+      # 1. <Windows, Release, latest MSVC compiler toolchain on the default runner image, default generator>
+      # 2. <Linux, Release, latest GCC compiler toolchain on the default runner image, default generator>
+      # 3. <Linux, Release, latest Clang compiler toolchain on the default runner image, default generator>
+      #
+      # To add more build types (Release, Debug, RelWithDebInfo, etc.) customize the build_type list.
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+        build_type: [Release]
+        c_compiler: [gcc, clang, cl]
+        include:
+          - os: windows-latest
+            c_compiler: cl
+            cpp_compiler: cl
+          - os: ubuntu-latest
+            c_compiler: gcc
+            cpp_compiler: g++
+          - os: ubuntu-latest
+            c_compiler: clang
+            cpp_compiler: clang++
+        exclude:
+          - os: windows-latest
+            c_compiler: gcc
+          - os: windows-latest
+            c_compiler: clang
+          - os: ubuntu-latest
+            c_compiler: cl
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set reusable strings
+      # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
+      id: strings
+      shell: bash
+      run: |
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
+
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: >
+        cmake -B ${{ steps.strings.outputs.build-output-dir }}
+        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
+        -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
+        -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+        -S ${{ github.workspace }}
+
+    - name: Build
+      # Build your program with the given configuration. Note that --config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
+      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
+
+    - name: Test
+      working-directory: ${{ steps.strings.outputs.build-output-dir }}
+      # Execute tests defined by the CMake configuration. Note that --build-config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
+      # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+      run: ./transform # ctest --build-config ${{ matrix.build_type }}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3589bcd..8966bcc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,8 +50,8 @@ set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 
 # Compiler/linker flags
-set(CMAKE_C_FLAGS   "-Wall -Wextra -Werror")
-set(CMAKE_CXX_FLAGS "-Wall -Wextra -Werror")
+set(CMAKE_C_FLAGS   "-Wall -Wextra") # -Werror")
+set(CMAKE_CXX_FLAGS "-Wall -Wextra") # -Werror")
 
 # https://gcc.gnu.org/onlinedocs/gcc/Template-Instantiation.html#Template-Instantiation
 
@@ -126,7 +126,7 @@ if (NOT benchmark_FOUND)
     FetchContent_Declare(
         benchmark
         GIT_REPOSITORY https://github.com/google/benchmark.git
-        GIT_TAG v1.9.4
+        GIT_TAG v1.9.5
     )
 
     # Disable benchmark's own tests