added compiler warnings/flags for cmake

cpp/ui/ncurses/hw/CMakeLists.txt

@@ -7,4 +7,15 @@ find_package(Curses REQUIRED)
 include_directories(${CURSES_INCLUDE_DIR})
 
 add_executable(${PROJECT_NAME} ${SOURCE_FILES})
+
+if(MSVC)
+  target_compile_option(${PROJECT_NAME} PRIVATE /W4)
+else()
+  target_compile_options(${PROJECT_NAME} PRIVATE
+	-Wall
+	-Wextra
+	-Wpedantic
+  )
+endif()
+
 target_link_libraries(${PROJECT_NAME} ${CURSES_LIBRARIES})