diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9cfe5ab..e0dd8d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,5 @@
 cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
 set(CMAKE_LEGACY_CYGWIN_WIN32 0)
-set(CMAKE_BUILD_TYPE Debug)
 
 project("projet_lzw")
 
@@ -8,6 +7,15 @@ set(TGT "projet_lzw")
 set(${TGT}_VERSION_MAJOR 0)
 set(${TGT}_VERSION_MINOR 1)
 
+message("CMAKE_BUILD_TYPE = ${CMAKE_BUILD_TYPE}")
+IF(CMAKE_BUILD_TYPE MATCHES Debug)
+    message("Debug build.")
+ELSEIF(CMAKE_BUILD_TYPE MATCHES Release)
+    message("Release build.")
+ELSE()
+    message("Some other build.")
+ENDIF()
+
 set(CXX_COVERAGE_COMPILE_FLAGS "-pedantic -Wall -Wextra -Wold-style-cast -Woverloaded-virtual -Wfloat-equal -Wwrite-strings -Wpointer-arith -Wcast-qual -Wcast-align -Wconversion -Wsign-conversion -Wshadow -Weffc++ -Wredundant-decls -Wdouble-promotion -Winit-self -Wswitch-default -Wswitch-enum -Wundef -Winline -Wunused -Wnon-virtual-dtor -pthread")
 set(CMAKE_CXX_FLAGS_DEBUG "${CXX_COVERAGE_COMPILE_FLAGS} -DDebug -g -pg")
 set(CMAKE_CXX_FLAGS_RELEASE "${CXX_COVERAGE_COMPILE_FLAGS} -O3")