DOC: install: document the fact that SSL engines are not enabled by default

SSL engines used to be built by default for a long time but they're now
disabled consecutive to the API change that makes OpenSSL 3.0 spew plenty
of warnings. Support may still be enabled by passing USE_ENGINE=1.
This commit is contained in:
Willy Tarreau 2022-04-11 19:00:27 +02:00
parent 325fc63f5a
commit f985f03fe4
1 changed files with 4 additions and 1 deletions

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@ -274,7 +274,10 @@ the command line.
It is worth mentioning that asynchronous cryptography engines are supported on
OpenSSL 1.1.0 and above. Such engines are used to access hardware cryptography
acceleration that might be present on your system.
acceleration that might be present on your system. Due to API changes that
appeared with OpenSSL 3.0 and cause lots of build warnings, engines are not
enabled by default anymore in HAProxy 2.6. It is required to pass USE_ENGINE=1
if they are desired.
4.6) Compression