Add CI workflow on Linux/Clang

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

@@ -0,0 +1,32 @@
+name: CI Linux Clang
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Clang
+        run: sudo apt-get update && sudo apt-get install -y clang
+
+      - name: Configure CMake (with tests)
+        run: >
+          cmake -B build \
+            -DCMAKE_C_COMPILER=clang \
+            -DCMAKE_CXX_COMPILER=clang++ \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DUTF8CPP_ENABLE_TESTS=ON \
+            -S .
+
+      - name: Build
+        run: cmake --build build --config Release
+
+      - name: Test
+        working-directory: build
+        run: ctest -VV

CMakeLists.txt

@@ -1,6 +1,3 @@
-# This file is deprecated and will be removed in a future release
-# Please see the instructions for installation in README.md file
-
 cmake_minimum_required (VERSION 3.14...3.27)
 project (utf8cpp 
          VERSION 4.0.6
@@ -51,3 +48,9 @@ install(FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
 install(FILES ${PROJECT_SOURCE_DIR}/source/utf8.h DESTINATION include/utf8cpp)
 install(DIRECTORY ${PROJECT_SOURCE_DIR}/source/utf8 DESTINATION
         include/utf8cpp)
+
+option(UTF8CPP_ENABLE_TESTS "Build and enable tests" OFF)
+if(UTF8CPP_ENABLE_TESTS)
+    enable_testing()
+    add_subdirectory(tests)
+endif()