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Problem with compiled Phalcon with PHP 7.2.1

Hello everyone!

I have tried to compile and install Phalcon on my Centos 7.x 64 bit... Compiling is OK but PHP don't load phalcon.so... The response is:

PHP Warning: PHP Startup: Unable to load dynamic library 'phalcon.so' (tried: /usr/lib64/php/modules/phalcon.so (/usr/lib64/php/modules/phalcon.so: undefined symbol: __builtin_saddl_overflow), /usr/lib64/php/modules/phalcon.so.so (/usr/lib64/php/modules/phalcon.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0

The module is saved on /usr/lib64/php/modules/phalcon.so...

Any help???

Thanks



39.2k
edited Jan '18

undefined symbol: __builtin_saddl_overflow

It is compiller issue. You have to upgrade GCC/Clang version. For example GCC:

sudo yum install -y yum-utils  centos-release-scl
sudo yum -y --enablerepo=centos-sclo-rh-testing install devtoolset-7-gcc
echo "source /opt/rh/devtoolset-7/enable" | sudo  tee -a /etc/profile
source /opt/rh/devtoolset-7/enable
gcc --version

Then you have to re-compile Phalcon



2.9k

Hi Serghei,

thank you. I have tried to install these rpms and re-compiled Phalcon but the response is the same. My GCC version is: 4.8.5. What you think?



39.2k
Accepted
answer

You have to use GCC >= 5.0



2.4k
edited Jan '19

I have the same problem and I cant solve it

I have gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)



160
edited Oct '19

nickbourlai essaybot writer said: I have the same problem and I cant solve it

I have gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)

Hello,

You may find some ideas and solutions in the reference. It's an article case study guide by Rob Terzi: How to install Clang/LLVM 5 and GCC 7 on RHEL: https://developers.redhat.com/blog/2018/07/07/yum-install-gcc7-clang/