Unable to install openswoole in alpine (docker)

[FLasH3r]

Error:

Couldn't parse or find the version defined in the (?:PHP_)?OPENSWOOLE_(?:EXT_)?VERSION macro

installation of pickle worked:

bash-5.1# wget https://github.com/FriendsOfPHP/pickle/releases/latest/download/pickle.phar
--2021-11-01 18:23:13--  https://github.com/FriendsOfPHP/pickle/releases/latest/download/pickle.phar
Resolving github.com (github.com)... 140.82.121.3
Connecting to github.com (github.com)|140.82.121.3|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://github.com/FriendsOfPHP/pickle/releases/download/v0.7.7/pickle.phar [following]
--2021-11-01 18:23:13--  https://github.com/FriendsOfPHP/pickle/releases/download/v0.7.7/pickle.phar
Reusing existing connection to github.com:443.
HTTP request sent, awaiting response... 302 Found
Location: https://github-releases.githubusercontent.com/20719020/bcc4d118-6e68-4271-a245-567d8d6b9736?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A%2F20211101%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20211101T182313Z&X-Amz-Expires=300&X-Amz-Signature=2f3e583c0e3b7ace1e45693855a63fcc2da7be4f4a94d13e04bf2fe6e083d0bb&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=20719020&response-content-disposition=attachment%3B%20filename%3Dpickle.phar&response-content-type=application%2Foctet-stream [following]

then I run:

mv pickle.phar /usr/local/bin/pickle
chmod +x /usr/local/bin/pickle

pickle --version reports:

bash-5.1# pickle --version

 ██████╗ ██╗ ██████╗██╗  ██╗██╗     ███████╗
 ██╔══██╗██║██╔════╝██║ ██╔╝██║     ██╔════╝
 ██████╔╝██║██║     █████╔╝ ██║     █████╗
 ██╔═══╝ ██║██║     ██╔═██╗ ██║     ██╔══╝
 ██║     ██║╚██████╗██║  ██╗███████╗███████╗
 ╚═╝     ╚═╝ ╚═════╝╚═╝  ╚═╝╚══════╝╚══════╝  v0.7.7

but this is the error I get when I try to install openswoole

bash-5.1# pickle install openswoole
  - Installing openswoole (latest-stable): Downloading (100%)         

In Version.php line 81:
                                                                                                
  Couldn't parse or find the version defined in the (?:PHP_)?OPENSWOOLE_(?:EXT_)?VERSION macro  
                                                                                                

install [--no-convert] [--defaults] [--source] [--with-configure-options WITH-CONFIGURE-OPTIONS] [--save-logs SAVE-LOGS] [--dry-run] [--php PHP] [--ini INI] [--tmp-dir TMP-DIR] [--version-override [VERSION-OVERRIDE]] [--] [<path>]