Ubuntu 14.04 x64 LAMPP Phalcon 2.0
The cloning, compiling and installation were all successfull. But Phalcon is not being loaded.
/opt/lampp/logs/php_error_log:
PHP Warning: PHP Startup: Unable to load dynamic library '/opt/lampp/lib/php/extensions/no-debug-non-zts-20151012/phalcon.so' - /opt/lampp/lib/php/extensions/no-debug-non-zts-20151012/phalcon.so: undefined symbol: zval_used_for_init in Unknown on line 0