When I run the script buildMobileVLCKit.sh,It always parked in a place to download the libgcrypt-1.6.2.tar.bz2,is the curl command not surpport ftp protocol?How do I fix it?Mac os 10.10.5,Xcode 7.2

[Rokey1990]

[Rokey1990]

Like this:
curl -f -L -- "ftp://ftp.gnupg.org/gcrypt/libgcrypt/libgcrypt-1.6.2.tar.bz2" > "../../contrib/tarballs/libgcrypt-1.6.2.tar.bz2"
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- 0:10:51 --:--:-- 0