I am using Laravel 5.4 version to implement mongodb CRUD operation using [link](https://github.com/jenssegers/laravel-mongodb). I am using Mac OS El Captain 10.11. I have installed mongodb.so extension with php version 7.1.16

While i am trying getting eloquent connection it throws me **ERR\_EMPTY\_RESPONSE**

I have digg in details an found following error log in Apache during restart the MAMP server

```
 Mon Aug 28 10:22:14 2017] [notice] Graceful restart requested, doing restart
[Mon Aug 28 10:22:15 2017] [notice] Digest: generating secret for digest authentication ...
[Mon Aug 28 10:22:15 2017] [notice] Digest: done
[Mon Aug 28 10:22:15 2017] [notice] Apache/2.2.31 (Unix) mod_wsgi/3.5 
 Python/2.7.13 PHP/7.1.1 mod_ssl/2.2.31 OpenSSL/1.0.2j DAV/2 
mod_fastcgi/2.4.6 mod_perl/2.0.9 Perl/v5.24.0 configured -- resuming normal operations
[Mon Aug 28 10:22:15 2017] [notice] FastCGI: process manager initialized (pid 4233)
dyld: lazy symbol binding failed: Symbol not found: _clock_gettime
Referenced from: 
/Applications/MAMP/bin/php/php7.1.1/lib/php/extensions/no-debug-non-zts-20160303/mongodb.so
Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: _clock_gettime
Referenced from: 
/Applications/MAMP/bin/php/php7.1.1/lib/php/extensions/no-debug-non-zts-20160303/mongodb.so
Expected in: /usr/lib/libSystem.B.dylib

dyld: lazy symbol binding failed: Symbol not found: _clock_gettime
Referenced from: 
 /Applications/MAMP/bin/php/php7.1.1/lib/php/extensions/no-debug-non-zts-20160303/mongodb.so
 Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: _clock_gettime
Referenced from: 
/Applications/MAMP/bin/php/php7.1.1/lib/php/extensions/no-debug-non-zts-20160303/mongodb.so
 Expected in: /usr/lib/libSystem.B.dylib

```

This screenshot shows the details of mongodb extension
[![enter image description here](https://i.stack.imgur.com/VksIl.png)](https://i.stack.imgur.com/VksIl.png)
I have searched online for error `dyld: lazy symbol binding failed: Symbol not found: _clock_gettime` and found this [answer](https://stackoverflow.com/a/39674711/1578380). I have applied all steps which i mentioned, but unable to fix the issue.

Please someone help me to get rid of this.