Change testing framework to CMake

.github/workflows/ci.yml

@@ -33,17 +33,17 @@ jobs:
 
     - name: Install Dependencies
       run: |
-        sudo apt-get update
-        sudo apt-get install -y gcc make libglfw3-dev libglfw3 xorg build-essential cmake xorg-dev libx11-dev xvfb
-
-    - name: Install GLFW
-      uses: RpxdYTX/install-glfw-deps@v2
+        sudo apt-get update -qq
+        sudo apt-get install -y -qq xorg-dev xvfb
 
-    - name: Setup x11
+    - name: Setup virtual screen
       run: Xvfb $DISPLAY -screen 0 1280x1024x24 &
 
+    - name: Build MLX42 & tests
+      run: cmake -DBUILD_TESTS=YES -B ${{github.workspace}}/build && cmake --build ${{github.workspace}}/build
+
     - name: Run tests
-      run: make -C tests run
+      run: ctest --output-on-failure --test-dir ${{github.workspace}}/build
 
 # Unix
 #=============================================================================#
@@ -64,7 +64,7 @@ jobs:
         set -x
         if [ "$RUNNER_OS" == "Linux" ]; then
             sudo apt-get update -qq
-            sudo apt-get install -y -qq gcc make xorg build-essential cmake xorg-dev libx11-dev libglfw3-dev libglfw3
+            sudo apt-get install -y -qq xorg-dev
         elif [ "$RUNNER_OS" == "macOS" ]; then
             brew update
             brew install glfw

CMakeLists.txt

@@ -135,9 +135,25 @@ elseif(NOT glfw3_FOUND AND NOT GLFW_FETCH)
 	message(FATAL_ERROR "Unable to build: GLFW can't be found nor fetched.")
 endif()
 
+# only link to glfw if it was found
+if (glfw3_FOUND)
+	target_link_libraries(mlx42 ${GLFW3_LIBRARY})
+endif()
+
+target_link_libraries(mlx42 OpenGL::GL)
+
 # add correct frameworks for macOS
 if(APPLE)
 target_link_libraries(mlx42 "-framework Cocoa" "-framework IOKit")
 endif()
 
-target_link_libraries(mlx42 OpenGL::GL glfw)
+
+# Testing
+# -----------------------------------------------------------------------------
+# only build tests if we are the main project or explicitly told to
+# this make sure tests are not built when mlx42 included as a subproject, use MLX42_BUILD_TESTS to overwrite this
+# use cmake -DBUILD_TESTS=YES/-DMLX42_BUILD_TESTS=YES to build tests
+if ((PROJECT_NAME STREQUAL CMAKE_PROJECT_NAME AND BUILD_TESTS) OR MLX42_BUILD_TESTS)
+	add_subdirectory(tests)
+	enable_testing()
+endif()