diff --git a/infrastructure-centred/Makefile b/infrastructure-centred/Makefile
index fb86168..494859f 100644
--- a/infrastructure-centred/Makefile
+++ b/infrastructure-centred/Makefile
@@ -1,53 +1,67 @@
-.PHONY : all owlps-aggregator owlps-listener owlps-client clean purge help install install-owlps-aggregator install-owlps-listener install-owlps-client uninstall uninstall-owlps-aggregator uninstall-owlps-listener uninstall-owlps-client
+.PHONY : \
+	all clean purge help \
+	owlps-aggregator libowlps-client owlps-listener owlps-client \
+	install install-owlps-aggregator \
+	install-owlps-listener install-owlps-client \
+	uninstall uninstall-owlps-aggregator \
+	uninstall-owlps-listener uninstall-owlps-client
 
 ## Compilation ##
 
-all : owlps-aggregator owlps-listener owlps-client
+all : owlps-aggregator libowlps-client owlps-listener owlps-client
 
 owlps-aggregator :
-	@make -C owlps-aggregator
+	@make -C $@
 
+libowlps-client :
+	@make -C $@
 owlps-listener :
-	@make -C owlps-listener
+	@make -C $@
 
 owlps-client :
-	@make -C owlps-client
+	@make -C $@
 
 ## Installation ##
 
-install : install-owlps-aggregator install-owlps-listener install-owlps-client
+install : \
+	install-owlps-aggregator \
+	install-owlps-listener install-owlps-client
 
 install-owlps-aggregator :
-	@make -C owlps-aggregator install
+	@make -C $(subst install-,,$@) install
 
 install-owlps-listener :
-	@make -C owlps-listener install
+	@make -C $(subst install-,,$@) install
 
 install-owlps-client :
-	@make -C owlps-client install
+	@make -C $(subst install-,,$@) install
 
 ## Désinstallation ##
 
-uninstall : uninstall-owlps-aggregator uninstall-owlps-listener uninstall-owlps-client
+uninstall : \
+	uninstall-owlps-aggregator \
+	uninstall-owlps-listener uninstall-owlps-client
 
 uninstall-owlps-aggregator :
-	@make -C owlps-aggregator uninstall
+	@make -C $(subst uninstall-,,$@) uninstall
 
 uninstall-owlps-listener :
-	@make -C owlps-listener uninstall
+	@make -C $(subst uninstall-,,$@) uninstall
 
 uninstall-owlps-client :
-	@make -C owlps-client uninstall
+	@make -C $(subst uninstall-,,$@) uninstall
 
 ## Nettoyage ##
 
 clean :
 	@make -C owlps-aggregator clean
+	@make -C libowlps-client clean
 	@make -C owlps-listener clean
 	@make -C owlps-client clean
 
 purge :
 	@make -C owlps-aggregator purge
+	@make -C libowlps-client purge
 	@make -C owlps-listener purge
 	@make -C owlps-client purge