[compile issue][freeradius] Compile freeradius happen "unreferenced ssl_check version()"

[compile issue][freeradius] Compile freeradius happen "unreferenced ssl_check version()"

Q : Compile Freeradius encounter the error

unreferenced ssl_check version()

A:

Install ssh library

sudo apt-get install libssl-dev

Reference :

• 
  How do I install the OpenSSL C++ library on Ubuntu?