[squid-users] 3.5.27: Compilation failed CRYPTO_LOCK_X509 on Debian 9

[Amos Jeffries]

Squid-3 on Debian 9+ requires the libssl1.0-dev package instead of the
normal libssl-dev package.

FYI: It is much better to be using the Squid-4 package currently in
Debian experimental (due to policy reasons only) if you are building for
SSL-Bump behaviours. That package also supports TLS to cache_peer or
origin servers natively with GnuTLS.

Amos