diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f214f2..5de3a5f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,9 +6,12 @@ set(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++-posix)
 message(STATUS "CMAKE_C_COMPILER: ${CMAKE_C_COMPILER}")
 message(STATUS "CMAKE_CXX_COMPILER: ${CMAKE_CXX_COMPILER}")
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static")
-set(CMAKE_EXE_LINKER_FLAGS "-static")
+option(BUILD_STATIC "build output executable using static library")
+if(BUILD_STATIC)
+    message(STATUS "Build with static library")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static")
+    set(CMAKE_EXE_LINKER_FLAGS "-static")
+endif()
 
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
@@ -17,8 +20,23 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 # project name
 project(dino LANGUAGES CXX C)
 
-if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
-        set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose Release or Debug" FORCE)
+if("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
+    message(STATUS "Maximum optimization for speed")
+    add_compile_options(-Ofast)
+elseif("${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo")
+    message(STATUS "Maximum optimization for speed, debug info included")
+    add_compile_options(-Ofast -g)
+elseif("${CMAKE_BUILD_TYPE}" STREQUAL "MinSizeRel")
+    message(STATUS "Maximum optimization for size")
+    add_compile_options(-s -Os -ffunction-sections -fdata-sections -Wl,--gc-section)
+    add_compile_options(-fsanitize-address-outline-instrumentation)
+else()
+    message(STATUS "Minimal optimization, debug info included")
+    add_compile_options(
+        -Wall # print warning info
+        -Wextra # print extra warning info
+    )
+    add_compile_options(-Og -g)
 endif()
 
 add_definitions(-DLGFX_SDL)
@@ -43,8 +61,7 @@ target_include_directories(
     ${PROJECT_NAME} PUBLIC
     ${CMAKE_CURRENT_SOURCE_DIR}/include
     ${CMAKE_CURRENT_SOURCE_DIR}/simulator
-    ${CMAKE_CURRENT_SOURCE_DIR}/library/LovyanGFX/src
-    )
+    ${CMAKE_CURRENT_SOURCE_DIR}/library/LovyanGFX/src)
 
 set(SDL2_LIB_PATH "$ENV{HOME}/SDL2-2.28.5/x86_64-w64-mingw32/lib")
 target_include_directories(${PROJECT_NAME} PUBLIC "$ENV{HOME}/SDL2-2.28.5/x86_64-w64-mingw32/include" library/mingw_stdthreads)