diff --git a/owlps-ardrone/Makefile b/owlps-ardrone/Makefile
index d367575..ad5e98d 100644
--- a/owlps-ardrone/Makefile
+++ b/owlps-ardrone/Makefile
@@ -1,6 +1,6 @@
 # Source version
 ifndef OWLPS_VERSION
-        OWLPS_VERSION = $$(git describe || echo 'UNKNOWN_VERSION')
+        OWLPS_VERSION = $(shell git describe || echo 'UNKNOWN_VERSION')
 endif
 
 # Répertoire d'installation
@@ -17,8 +17,8 @@ ifeq ($(COLORGCC), 0)
 endif
 
 # Commandes d'installation et de désinstallation
-RM=rm -fv
-CP=cp -v
+RM = rm -f
+CP = cp
 
 # Cible
 TARGET=owlps-drone
@@ -34,8 +34,8 @@ XCFLAGS = $(CFLAGS) $(DEPFLAGS) $(WARN) $(HEADERS)
 PICFLAG = -fPIC
 LIBS = -L$(LIBOWLPS_DIR) -lowlps \
 	-L$(LIBOWLPSCLIENT_DIR) -lowlps-client \
-	-lrt -lm
-STATIC_LIBS = -liw -lm -lrt
+	-lrt -lm -pthread
+STATIC_LIBS =
 OWLPSFLAGS = -D OWLPS_VERSION=\"$(OWLPS_VERSION)\"
 
 ## Cibles de compilation standard ##
diff --git a/owlps-ardrone/Makefile_drone b/owlps-ardrone/Makefile_drone
index cd59342..b1f2815 100644
--- a/owlps-ardrone/Makefile_drone
+++ b/owlps-ardrone/Makefile_drone
@@ -1,6 +1,6 @@
 # Source version
 ifndef OWLPS_VERSION
-        OWLPS_VERSION = $$(git describe || echo 'UNKNOWN_VERSION')
+        OWLPS_VERSION = $(shell git describe || echo 'UNKNOWN_VERSION')
 endif
 
 # Emplacement de la suite de cross-compilation
@@ -20,8 +20,8 @@ INSTALL_INC= $(PREFIX)/include
 INSTALL_MAN= $(PREFIX)/share/man
 
 # Commandes d'installation et de désinstallation
-RM=rm -f
-CP=cp -v
+RM = rm -f
+CP = cp
 
 # Cible
 TARGET=owlps-drone
@@ -30,14 +30,15 @@ DEPS = oc.o
 # Flags
 LIBOWLPS_DIR = ../libowlps
 LIBOWLPSCLIENT_DIR = ../libowlps-client
-CFLAGS = -O2 -Wall -Wextra -Wstrict-prototypes -I.
+CFLAGS = -O2 -Wall -Wextra -Wstrict-prototypes \
+	-I$(LIBOWLPS_DIR) -I$(LIBOWLPSCLIENT_DIR)
 DEPFLAGS = -MMD
 XCFLAGS = $(CFLAGS) $(DEPFLAGS) $(WARN) $(HEADERS)
 PICFLAG = -fPIC
 LOWLPS = -L$(LIBOWLPS_DIR) -lowlps
 LOWLPSA = $(LIBOWLPS_DIR)/libowlps.a
 LOWLPSCLIENTA = $(LIBOWLPSCLIENT_DIR)/libowlps-client.a
-LIBS = $(LOWLPSCLIENTA) -liw -lm -lrt
+LIBS = $(LOWLPSCLIENTA) -lrt -lm -pthread
 DYNAMIC_LIBS = $(LOWLPS) $(LIBS)
 SEMISTATIC_LIBS = $(LOWLPSA) $(LIBS)
 STATIC_LIBS = $(LOWLPSA) $(LIBS)
@@ -75,8 +76,12 @@ install : $(TARGET)
 	@$(CP) $(TARGET) $(INSTALL_DIR)
 	@cd $(INSTALL_DIR) ; chown root:root $(TARGET) ; chmod 755 $(TARGET)
 
+install-static : $(TARGET).static
+	@$(CP) $(TARGET).static $(INSTALL_DIR)
+	@cd $(INSTALL_DIR) ; chown root:root $(TARGET).static ; chmod 755 $(TARGET).static
+
 uninstall :
-	@$(RM) $(INSTALL_DIR)/$(TARGET)
+	@$(RM) $(INSTALL_DIR)/{$(TARGET),$(TARGET).static}
 
 
 ## Nettoyage ##
@@ -85,7 +90,7 @@ clean :
 	@$(RM) -fv *~ *.o *.d
 
 purge : clean
-	@$(RM) -fv $(TARGET) $(TARGET).static $(TARGET)-drone
+	@$(RM) -fv $(TARGET) $(TARGET).static
 
 
 ## Aide ##
@@ -98,8 +103,6 @@ help :
 		$(TARGET) (cible par défaut) : Compile le programme $(TARGET).\n\
 		$(TARGET).static : Compile le programme $(TARGET).static \
 	(version sans lien dynamique).\n\
-		$(TARGET).semistatic : Compile le programme $(TARGET).semistatic \
-	(version sans lien dynamique vers libowlps).\n\
 		install : Installe le programme $(TARGET).\n\
 		uninstall : Désinstalle le programme $(TARGET).\n\
 		clean : Supprime les fichiers temporaires.\n\