diff --git a/sw/logalizer/Makefile b/sw/logalizer/Makefile
index 5b3ce8056d..5029bd2e72 100644
--- a/sw/logalizer/Makefile
+++ b/sw/logalizer/Makefile
@@ -105,6 +105,14 @@ plot_roll_loop : plot_roll_loop.c sliding_plot.c
 test_sliding_plot: test_sliding_plot.c sliding_plot.c
 	$(CC) $(CFLAGS) -g -o $@ $^ $(LDFLAGS)
 
+
+NAME = $(shell uname -s)
+
+ifeq ("$(UNAME)","Darwin")
+  IVY_C_LIBRARYS = $(shell if test -d /opt/paparazzi/lib; then echo "-L/opt/paparazzi/lib"; elif test -d /opt/local/lib; then echo "-L/opt/local/lib"; fi)
+  IVY_C_INCLUDES = $(shell if test -d /opt/paparazzi/include; then echo "-I/opt/paparazzi/include"; elif test -d /opt/local/include; then echo "-I/opt/local/include"; fi)
+endif
+
 MORE_FLAGS = -I/usr/include/gtk-1.2 -I/usr/include/glib-1.2 -I/usr/lib/glib/include -rdynamic  /usr/lib/libgtkgl.so -L/usr/lib -L/usr/X11R6/lib /usr/lib/libgtk.so /usr/lib/libgdk.so /usr/lib/libgmodule.so /usr/lib/libglib.so -ldl -lXi -lXext -lX11 -lm -lGLU -lGL  -Wl,--rpath -Wl,/usr/local/lib -lglibivy `pcre-config --libs`
 
 MORE_CFLAGS = -DHAVE_DLFCN_H=1 -DSTDC_HEADERS=1  -I. -I.  -I..    -g -O2 -I/usr/include/gtk-1.2 -I/usr/include/glib-1.2 -I/usr/lib/glib/include
@@ -113,7 +121,7 @@ disp3d: disp3d.c
 	$(CC) $(MORE_CFLAGS) -g -o $@ $^ $(MORE_FLAGS)
 
 plotprofile: plotprofile.c
-	$(CC) -g -O2 -Wall `pkg-config glib-2.0 --cflags` -o $@ $^ `pkg-config glib-2.0 --libs` -lglibivy
+	$(CC) $(IVY_C_LIBRARYS) $(IVY_C_INCLUDES) -g -O2 -Wall `pkg-config glib-2.0 --cflags` -o $@ $^ `pkg-config glib-2.0 --libs` -lglibivy
 
 test1: test1.c
 	$(CC) $(MORE_CFLAGS) -g -o $@ $^ $(MORE_FLAGS) -lglut
@@ -121,8 +129,6 @@ test1: test1.c
 test3: test3.c sliding_plot.c
 	$(CC) $(CFLAGS) -g -o $@ $^ $(LDFLAGS)
 
-clean:
-	rm -f *.opt *.out *~ core *.o *.bak .depend *.cm* play ahrsview imuview ahrs2fg plot plotter gtk_export.ml openlog2tlm
 
 #FGFS_PREFIX=/home/poine/local
 FGFS_PREFIX=/home/poine/flightgear
@@ -160,10 +166,10 @@ test_samere: test_samere.c network.c flight_gear.c utils.c
 	$(CC) $(CFLAGS) -I../airborne -I../airborne/test -I../include -g -o $@ $^ $(LDFLAGS)
 
 ivy_example: ivy_example.c
-	$(CC) -g -O2 -Wall `pkg-config glib-2.0 --cflags` -o $@ $^ `pkg-config glib-2.0 --libs` -lglibivy
+	$(CC) $(IVY_C_LIBRARYS) $(IVY_C_INCLUDES) -g -O2 -Wall `pkg-config glib-2.0 --cflags` -o $@ $^ `pkg-config glib-2.0 --libs` -lglibivy
 
 tmclient: tmclient.c
-	$(CC) -g -O1 -Wall `pkg-config glib-2.0 --cflags` -o $@ $^ `pkg-config glib-2.0 --libs` -lglibivy
+	$(CC) $(IVY_C_LIBRARYS) $(IVY_C_INCLUDES) -g -O1 -Wall `pkg-config glib-2.0 --cflags` -o $@ $^ `pkg-config glib-2.0 --libs` -lglibivy
 
 ffjoystick: ffjoystick.c
 	$(CC) -g -O2 -Wall `pkg-config glib-2.0 --cflags` -o $@ $^ `pkg-config glib-2.0 --libs` -lglibivy -lm
@@ -171,6 +177,9 @@ ffjoystick: ffjoystick.c
 ctrlstick: ctrlstick.c
 	$(CC) -g -O2 -Wall `pkg-config glib-2.0 --cflags` -o $@ $^ `pkg-config glib-2.0 --libs` -lglibivy
 
+clean:
+	rm -f *.opt *.out *~ core *.o *.bak .depend *.cm* play ahrsview imuview ahrs2fg plot plotter gtk_export.ml openlog2tlm disp3d plotprofile test1 test3 test_samere ivy_example tmclient ffjoystick ctrlstick
+
 #
 # Dependencies
 #