ext-sockets won't compile in official Docker image 8.2-rc-alpine

[someniatko]

Description

1. Try creating a Docker image FROM php:8.2-rc-alpine,
2. Include there a RUN command docker-php-ext-install sockets

Its build will fail with error:

/usr/src/php/ext/sockets/sockets.c:59:12: fatal error: linux/sock_diag.h: No such file or directory
   59 | #  include <linux/sock_diag.h>
      |            ^~~~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [Makefile:209: sockets.lo] Error 1

Feel free to transfer this issue to a relevant project if needed.

PHP Version

8.2

Operating System

Alpine

[devnexen]

see this discussion if that helps.

[someniatko]

Yeah, thank you, then it's a duplicate!