diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f66666c
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,20 @@
+CCPP    = g++
+CFLAGS  = -I. -Wall -Wextra -fanalyzer --std=c++17
+CFLAGS2 = -Wno-unused-variable -Wno-unused-but-set-variable -Wno-unused-parameter
+
+SOURCES = $(shell find . -name '*.cpp')
+OBJECTS = $(SOURCES:.cpp=.o)
+
+NOM     = ecosyteme
+
+%.o: %.cpp
+	$(CCPP) -c -o $@ $< $(CFLAGS) $(CFLAGS2)
+
+main: $(OBJECTS)
+	$(CCPP) -o $(NOM) $^ $(CFLAGS) $(CFLAGS2)
+
+all:
+	main
+
+clean:
+	rm *.o $(NOM)
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..8f72fa4
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,35 @@
+#include <iostream>
+#include <string>
+
+#include "univers.hpp"
+
+void lancerSimulation(int m, int n, int nb_moutons, int nb_loups) {
+    Univers univers(m, n);
+}
+
+/* m x n      = taille de l'univers
+ * nb_moutons = nombre de moutons
+ * nb_loups   = nombre de loups */
+int main(int argc, char const *argv[]) {
+    if(argc > 1 && argc != 5) {
+        std::cerr << "Arguments non renseignés." << std::endl;
+        std::cout << "Usage : " << argv[0] << " m n nb_moutons nb_loups" << std::endl;
+        exit(1);
+    }
+    int m, n, nb_moutons, nb_loups;
+    if(argc == 5) { // renseigné par l'utilisateur
+        m = std::stoi(argv[1]);
+        n = std::stoi(argv[2]);
+        nb_moutons = std::stoi(argv[3]);
+        nb_loups   = std::stoi(argv[4]);
+    } else { // valeurs par défaut
+        m = 5;
+        n = 5;
+        nb_moutons = 7;
+        nb_loups   = 2;
+    }
+
+    lancerSimulation(m, n, nb_moutons, nb_loups);
+
+    return 0;
+}
diff --git a/univers.cpp b/univers.cpp
new file mode 100644
index 0000000..b5149f9
--- /dev/null
+++ b/univers.cpp
@@ -0,0 +1,3 @@
+#include "univers.hpp"
+
+Univers::Univers(int m, int n): _m(m), _n(n) { }
diff --git a/univers.hpp b/univers.hpp
new file mode 100644
index 0000000..9fc413a
--- /dev/null
+++ b/univers.hpp
@@ -0,0 +1,11 @@
+#ifndef _UNIVERS_HPP_
+#define _UNIVERS_HPP_ 1
+
+class Univers {
+    int _m, _n, _tour;
+
+    public:
+        Univers(int, int);
+};
+
+#endif