OpenBSD - ansible-pylibssh

$ pip install ansible-pylibssh
Defaulting to user installation because normal site-packages is not writeable
Collecting ansible-pylibssh
  Using cached ansible-pylibssh-1.1.0.tar.gz (106 kB)
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
  Installing backend dependencies ... done
  Preparing metadata (pyproject.toml) ... done
Building wheels for collected packages: ansible-pylibssh
  Building wheel for ansible-pylibssh (pyproject.toml) ... error
  error: subprocess-exited-with-error
  
  × Building wheel for ansible-pylibssh (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [6 lines of output]
      [1/1] Cythonizing /tmp/pip-install-3inpi4en/ansible-pylibssh_04d3883cfd7d49ecb34d03dc90702e66/src/pylibsshext/_libssh_version.pyx
      /tmp/pip-install-3inpi4en/ansible-pylibssh_04d3883cfd7d49ecb34d03dc90702e66/src/pylibsshext/_libssh_version.c:757:10: fatal error: 'libssh/libssh.h' file not found
      #include "libssh/libssh.h"
               ^~~~~~~~~~~~~~~~~
      1 error generated.
      error: command '/usr/bin/cc' failed with exit code 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for ansible-pylibssh
Failed to build ansible-pylibssh
ERROR: Could not build wheels for ansible-pylibssh, which is required to install pyproject.toml-based projects

$ CFLAGS=-I/usr/local/include pip install ansible-pylibssh
Defaulting to user installation because normal site-packages is not writeable
Collecting ansible-pylibssh
  Downloading ansible-pylibssh-1.1.0.tar.gz (106 kB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 106.2/106.2 kB 687.2 kB/s eta 0:00:00
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
  Installing backend dependencies ... done
  Preparing metadata (pyproject.toml) ... done
Building wheels for collected packages: ansible-pylibssh
  Building wheel for ansible-pylibssh (pyproject.toml) ... done
  Created wheel for ansible-pylibssh: filename=ansible_pylibssh-1.1.0-cp310-cp310-openbsd_7_3_amd64.whl size=651397 sha256=76e37e982c0902f3a846347577ab5dc371ef97ccbea145eb9c2820fad1501d9d
  Stored in directory: /home/stoege/.cache/pip/wheels/60/74/37/a1ba5b525d4f4e67e90e1ae862e66eeedc08147fb09d82b5d8
Successfully built ansible-pylibssh
Installing collected packages: ansible-pylibssh
Successfully installed ansible-pylibssh-1.1.0