On 17 Sep 2015, at 04:59, 心如烛光 <275438859@qq.com> wrote:
> 
> Hi,everybody.
>     I wanna install opam for my macbook pro(osx 10.8.5 mountain lion).And I have tried both the macport and the brew installations. Unfortunately,I get errors with two process.How could I fix it?Thank you! 
> 
> Yours!
> 
> here is the return of the brew:
> $ sudo brew reinstall ocaml
> Password:
> ==> Reinstalling ocaml
> ==> Downloading https://homebrew.bintray.com/bottles/ocaml-4.02.3.mountain_lion.
> Already downloaded: /Library/Caches/Homebrew/ocaml-4.02.3.mountain_lion.bottle.tar.gz
> ==> Pouring ocaml-4.02.3.mountain_lion.bottle.tar.gz
> 🍺  /usr/local/Cellar/ocaml/4.02.3: 1187 files, 116M
> kevintekiMacBook-Pro:~ kevin$ sudo brew reinstall opam --without-aspcud
> ==> Reinstalling opam with --without-aspcud
> ==> Downloading https://github.com/ocaml/opam/archive/1.2.2.tar.gz
> Already downloaded: /Library/Caches/Homebrew/opam-1.2.2.tar.gz
> ==> Downloading https://gforge.inria.fr/frs/download.php/file/33593/cudf-0.7.tar
> Already downloaded: /Library/Caches/Homebrew/opam--cudf-0.7.tar.gz
> ==> Downloading http://erratique.ch/software/uutf/releases/uutf-0.9.3.tbz
> Already downloaded: /Library/Caches/Homebrew/opam--uutf-0.9.3.tbz
> ==> Downloading https://gforge.inria.fr/frs/download.php/file/34277/dose3-3.3.ta
> Already downloaded: /Library/Caches/Homebrew/opam--dose3-3.3.tar.gz
> ==> Downloading http://ocamlgraph.lri.fr/download/ocamlgraph-1.8.5.tar.gz
> Already downloaded: /Library/Caches/Homebrew/opam--ocamlgraph-1.8.5.tar.gz
> ==> Downloading http://erratique.ch/software/jsonm/releases/jsonm-0.9.1.tbz
> Already downloaded: /Library/Caches/Homebrew/opam--jsonm-0.9.1.tbz
> ==> Downloading https://github.com/ocaml/ocaml-re/archive/ocaml-re-1.2.0.tar.gz
> Already downloaded: /Library/Caches/Homebrew/opam--ocaml-re-1.2.0.tar.gz
> ==> Downloading http://erratique.ch/software/cmdliner/releases/cmdliner-0.9.7.tb
> Already downloaded: /Library/Caches/Homebrew/opam--cmdliner-0.9.7.tbz
> ==> Downloading https://ocaml-extlib.googlecode.com/files/extlib-1.5.3.tar.gz
> 
> curl: (7) Failed to connect to 2404:6800:4008:c05::52: No route to host
> Error: Failed to download resource "opam--extlib"
> Download failed: https://ocaml-extlib.googlecode.com/files/extlib-1.5.3.tar.gz <https://ocaml-extlib.googlecode.com/files/extlib-1.5.3.tar.gz>
This is a local problem in your setup.  You are resolving an IPv6 address and attempting to connect to it, but don't appear to have a valid route.  Try disabling your IPv6 network interface and trying again.

regards,
Anil