diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac135ad..f482475 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,11 @@
 cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
 project(tiger D C)
 
+set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g -O0 -Wall -Wextra")
+set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 -Wall -Wdeprecated")
+set(CMAKE_D_FLAGS_DEBUG "${CMAKE_D_FLAGS_DEBUG} -funittest -g -O0 -Wall -Wdeprecated")
+set(CMAKE_D_FLAGS_RELEASE "${CMAKE_D_FLAGS_RELEASE} -O3 -Wall -Wdeprecated")
+
 add_executable(${PROJECT_NAME}
 	sboxes.c
 	tiger.c