Rework of the build process

App/CMakeLists.txt

 add_executable( QPongGame 
+    QPongApp.cpp 
     GameLayer.cpp
     Log.cpp
     Player.cpp
     MainMenuLayer.cpp
-    QPongApp.cpp 
     Window.cpp
 )
 
-target_include_directories( QPong PUBLIC
-    .
-    ..
-    ../libs
-    ../libs/imgui/examples/libs/gl3w
+target_compile_options( QPongGame
+    PRIVATE
+        ${basic_flags}
     )
 
-target_link_libraries( QPongGame PUBLIC 
+target_link_libraries( QPongGame 
+    PRIVATE 
         GuiCore
         QPong
+        ImGuiSrc
+    )
+
+target_include_directories( QPongGame
+    PRIVATE
+        ..
     )
 
 add_custom_command(TARGET QPongGame

CMakeLists.txt

@@ -3,7 +3,10 @@ project(QPong VERSION 0.0.1 LANGUAGES C CXX)
 
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_BUILD_TYPE Release)
-set(CMAKE_CXX_FLAGS "-Ofast")
+
+list(APPEND basic_flags "-O3" "-Wextra" "-Wall" "-Wshadow" "-Wold-style-cast")
+list(APPEND basic_flags "-Wno-unused-variable")
+list(APPEND pedantic_flags "-pedantic" "-Wpedantic")
 
 option(LOG_DEBUG_INFO "Enable logging t console" OFF)
 if(LOG_DEBUG_INFO)
@@ -13,6 +16,12 @@ endif(LOG_DEBUG_INFO)
 # Check for PkgConfig
 find_package(PkgConfig REQUIRED)
 
+# Libraries the project depends on:
+add_subdirectory(libs/spdlog)
+
+# ImGuiSrc
+add_subdirectory(ImGuiSrc)
+
 # GUI/Window 
 add_subdirectory(GuiCore)
 
@@ -22,5 +31,3 @@ add_subdirectory(QPong)
 # QPong App sources
 add_subdirectory(App)
 
-# Libraries the project depends on:
-add_subdirectory(libs/spdlog)

GuiCore/CMakeLists.txt

 find_package( Freetype REQUIRED)
 
-# GuiCore library
-add_library(GuiCore
-    Application.cpp
-    Input.cpp
-    Layer.cpp
-    LayerStack.cpp
-    Log.cpp
-    Timer.cpp
-    Timestep.cpp
+add_library( ImGuiQPong
+    Shader.cpp
     Glyphs.cpp
+    ImGuiLayer.cpp    
+)
+
+target_compile_options( ImGuiQPong
+    PRIVATE
+        ${basic_flags}
     )
 
-target_include_directories( GuiCore PUBLIC
+target_include_directories( ImGuiQPong 
+    SYSTEM PRIVATE
+        ../libs
+        ../libs/imgui/examples/libs/gl3w
         ../libs/spdlog/include/
         ${FREETYPE_INCLUDE_DIRS}
     )
 
-target_link_libraries( GuiCore
-    spdlog
+target_link_libraries( ImGuiQPong
+    PRIVATE
+        ImGuiSrc
         ${FREETYPE_LIBRARIES}
 )
-add_compile_definitions(IMGUI_IMPL_OPENGL_LOADER_GL3W)
 
-# ImGui is a dependency of GuiCore
-add_library( ImGui
-    Shader.cpp
-    ImGuiLayer.cpp
-    ../libs/imgui/imgui.cpp
-    ../libs/imgui/imgui_draw.cpp
-    ../libs/imgui/imgui_widgets.cpp
-    ../libs/imgui/imgui_tables.cpp
-    ../libs/imgui/backends/imgui_impl_glfw.cpp
-    ../libs/imgui/backends/imgui_impl_opengl3.cpp
-    ../libs/imgui/examples/libs/gl3w/GL/gl3w.c
+# GuiCore library
+add_library(GuiCore
+    Application.cpp
+    Input.cpp
+    Layer.cpp
+    LayerStack.cpp
+    Log.cpp
+    Timer.cpp
+    Timestep.cpp
 )
 
-target_include_directories( ImGui PUBLIC
-    ../libs
-    ../libs/imgui # for glfw
-    ../libs/imgui/backends
-    ../libs/imgui/examples/libs/gl3w
-    ../libs/spdlog/include    
+target_compile_options(GuiCore
+    PRIVATE
+        ${basic_flags}
     )
 
+target_include_directories( GuiCore 
+    SYSTEM PRIVATE
+        ../libs/spdlog/include/
+    )
 
 target_link_libraries( GuiCore
-    ImGui
+    ImGuiQPong
+    spdlog
 )
 
 # Check for GLFW3 and link
 pkg_check_modules(GLFW glfw3)
-target_include_directories(GuiCore PUBLIC ${GLFW_INCLUDE_DIRS})
+target_include_directories(GuiCore PRIVATE ${GLFW_INCLUDE_DIRS})
 target_link_libraries(GuiCore ${GLFW_LIBRARIES})
 
 

ImGuiSrc/CMakeLists.txt

+add_compile_definitions(IMGUI_IMPL_OPENGL_LOADER_GL3W)
+
+add_library( ImGuiSrc
+    ../libs/imgui/imgui.cpp
+    ../libs/imgui/imgui_draw.cpp
+    ../libs/imgui/imgui_widgets.cpp
+    ../libs/imgui/imgui_tables.cpp
+    ../libs/imgui/backends/imgui_impl_glfw.cpp
+    ../libs/imgui/backends/imgui_impl_opengl3.cpp
+    ../libs/imgui/examples/libs/gl3w/GL/gl3w.c
+)
+
+target_include_directories( ImGuiSrc
+    SYSTEM PUBLIC
+        ../libs/imgui # for glfw
+        ../libs/imgui/backends
+        ../libs/imgui/examples/libs/gl3w
+    )

QPong/CMakeLists.txt

@@ -5,12 +5,28 @@ add_library(QPong
     Utils.cpp
 )
 
-target_include_directories(QPong PUBLIC
+target_compile_options(QPong 
+    PRIVATE
+        ${basic_flags}
+    )
+
+target_include_directories(QPong 
+    PRIVATE
+        .
         ..
     )
 
-target_link_libraries( QPong PRIVATE
+target_link_libraries(QPong 
+    PRIVATE
         GuiCore
         fftw3
         fftw3_omp
     )
+
+# target_include_directories( QPong 
+# PUBLIC
+#     .
+#     ..
+#     ../libs
+#     ../libs/imgui/examples/libs/gl3w
+# )
\ No newline at end of file