cmake: more compiler warnings

CMakeLists.txt

@@ -30,6 +30,7 @@ project(caelestia-shell VERSION ${VERSION} LANGUAGES CXX)
 
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
 
 set(DISTRIBUTOR "Unset" CACHE STRING "Distributor")
@@ -38,7 +39,17 @@ set(INSTALL_LIBDIR "usr/lib/caelestia" CACHE STRING "Library install dir")
 set(INSTALL_QMLDIR "usr/lib/qt6/qml" CACHE STRING "QML install dir")
 set(INSTALL_QSCONFDIR "etc/xdg/quickshell/caelestia" CACHE STRING "Quickshell config install dir")
 
-add_compile_options(-Wall -Wextra)
+add_compile_options(
+    -Wall -Wextra -Wpedantic -Wshadow -Wconversion
+    -Wold-style-cast -Wnull-dereference -Wdouble-promotion
+    -Wformat=2 -Wfloat-equal -Woverloaded-virtual
+    -Wsign-conversion -Wredundant-decls -Wswitch
+    -Wunreachable-code
+)
+
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    add_compile_options(-Wunused-lambda-capture)
+endif()
 
 if("assets" IN_LIST ENABLE_MODULES)
     add_subdirectory(assets/cpp)

assets/cpp/CMakeLists.txt

@@ -14,6 +14,6 @@ install(TARGETS version DESTINATION ${INSTALL_LIBDIR})
 
 # Beat detector
 add_executable(beat_detector beat-detector.cpp)
-target_include_directories(beat_detector PRIVATE ${PIPEWIRE_INCLUDE_DIRS} ${AUBIO_INCLUDE_DIRS})
+target_include_directories(beat_detector SYSTEM PRIVATE ${PIPEWIRE_INCLUDE_DIRS} ${AUBIO_INCLUDE_DIRS})
 target_link_libraries(beat_detector PRIVATE ${PIPEWIRE_LIBRARIES} ${AUBIO_LIBRARIES})
 install(TARGETS beat_detector DESTINATION ${INSTALL_LIBDIR})