diff --git a/Makefile b/Makefile
index 0e8e64e..0e30b13 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,5 @@
 CXX      = g++
-CXXFLAGS = -Wall -Wextra -O3 --std=c++17
-DEVFLAGS = -g
+CXXFLAGS = --std=c++17
 RM       = rm
 
 SOURCES  = $(wildcard src/*.cpp)
@@ -11,7 +10,13 @@ EXE      = ecosysteme
 %.cpp.o: src/%.cpp
 	$(CXX) -c -o $@ $< $(CXXFLAGS) $(DEVFLAGS)
 
-main: $(OBJETS)
+main: CXXFLAGS += -O3
+main: compilation
+
+debug: CXXFLAGS += -Wall -Wextra -Wshadow -Wnon-virtual-dtor -pedantic -g
+debug: compilation
+
+compilation: $(OBJETS)
 	$(CXX) -o $(EXE) $(OBJETS)
 
 all: