fixed ivcc makefile to use clang. the new gcc does not like the pragm…

…a syntax in libusb

pupil_src/shared_modules/uvc_capture/mac_video/makefile

@@ -1,20 +1,20 @@
 INC= -I/opt/local/include -I/usr/local/include
 
-CFLAGS= -shared -fPIC -Wall
+CFLAGS= -shared -fPIC -Wall 
 
 LIBS = -framework IOKit -framework CoreFoundation  -L/usr/local/lib
 OBJ = libuvcc.c
 
 make_all: uvcc.so
 
 uvcc.so: $(OBJ)
-	-gcc $(CFLAGS) -o $@ $^ $(INC) $(LIBS) # $^ = dependencies , $@=Target
+	-clang $(CFLAGS) -o $@ $^ $(INC) $(LIBS) # $^ = dependencies , $@=Target
 	#mv *.so c/
 # uvcc.o: $(OBJ)
-# 	-gcc $(CFLAGS) -c $^ $(INC) $(LIBS)
+# 	-clang $(CFLAGS) -c $^ $(INC) $(LIBS)
 
 # uvcc.so: uvcc-wrappers.c uvcc.o
-# 	-gcc $(CFLAGS) -o $@ $^ $(INC) $(LIBS)  # $^ = dependencies , $@=Target
+# 	-clang $(CFLAGS) -o $@ $^ $(INC) $(LIBS)  # $^ = dependencies , $@=Target
 # 	#mv *.so c/
 
 .PHONY: clean