diff --git a/analyse/Makefile b/analyse/Makefile
new file mode 100644
index 0000000..4bce23d
--- /dev/null
+++ b/analyse/Makefile
@@ -0,0 +1,16 @@
+filename=$(shell basename $(shell pwd))
+timestamp=$(shell date +%Y-%m-%d_%H:%M)
+
+all: snapshot
+
+snapshot: main.tex
+	@latexmk -pdf main.tex >/dev/null 2>&1
+	@if ! cmp --silent build/main.pdf ${filename}_*.pdf; then \
+		touch ${filename}_tmp.pdf; \
+		rm ${filename}*.pdf; \
+		cp build/main.pdf ${filename}_${timestamp}.pdf; \
+		echo "Updated"; \
+	fi
+
+clean:
+	@rm -rf build 2>/dev/null
diff --git a/logique-programmable/Makefile b/logique-programmable/Makefile
new file mode 100644
index 0000000..4bce23d
--- /dev/null
+++ b/logique-programmable/Makefile
@@ -0,0 +1,16 @@
+filename=$(shell basename $(shell pwd))
+timestamp=$(shell date +%Y-%m-%d_%H:%M)
+
+all: snapshot
+
+snapshot: main.tex
+	@latexmk -pdf main.tex >/dev/null 2>&1
+	@if ! cmp --silent build/main.pdf ${filename}_*.pdf; then \
+		touch ${filename}_tmp.pdf; \
+		rm ${filename}*.pdf; \
+		cp build/main.pdf ${filename}_${timestamp}.pdf; \
+		echo "Updated"; \
+	fi
+
+clean:
+	@rm -rf build 2>/dev/null