Ошибка установки ZeroMQ на MAMP с PHP 7.0.0

У меня проблема с последними шагами установки ZeroMQ после выполнения этой команды для установки ZeroMQ с MAMP …

sudo pecl install zmq-beta

Build complete.
Don't forget to run 'make test'.

running: make INSTALL_ROOT="/private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3" install
Installing shared extensions:     /private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3/usr/lib/php/extensions/no-debug-non-zts-20131226/
running: find "/private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3" | xargs ls -dils
10893452   0 drwxr-xr-x  3 root  wheel    102 21 Apr 11:29 /private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3
10893999   0 drwxr-xr-x  3 root  wheel    102 21 Apr 11:29 /private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3/usr
10894000   0 drwxr-xr-x  3 root  wheel    102 21 Apr 11:29 /private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3/usr/lib
10894001   0 drwxr-xr-x  3 root  wheel    102 21 Apr 11:29 /private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3/usr/lib/php
10894002   0 drwxr-xr-x  3 root  wheel    102 21 Apr 11:29 /private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3/usr/lib/php/extensions
10894003   0 drwxr-xr-x  3 root  wheel    102 21 Apr 11:29 /private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3/usr/lib/php/extensions/no-debug-non-zts-20131226
10894005 168 -rwxr-xr-x  1 root  wheel  82396 21 Apr 11:29 /private/tmp/pear/temp/pear-build-rootIN0Z6M/install-zmq-1.1.3/usr/lib/php/extensions/no-debug-non-zts-20131226/zmq.so

Build process completed successfully
Installing '/usr/lib/php/extensions/no-debug-non-zts-20131226/zmq.so'
ERROR: failed to write /usr/lib/php/extensions/no-debug-non-zts-20131226/zmq.so (copy(/usr/lib/php/extensions/no-debug-non-zts-20131226/zmq.so): failed to open stream: Operation not permitted)

Я прошел через кучу проблем, чтобы зайти так далеко, но на самом деле не уверен, что может быть причиной этой «операции не разрешено». Любые идеи очень приветствуются.