[issue43799] OpenSSL 3.0.0: define OPENSSL_API_COMPAT 1.1.1

[Christian Heimes]

Christian Heimes <lists at cheimes.de> added the comment:

OpenSSL 1.0.2, 1.1.0, 1.1.1 and 3.0.0 behave slightly differently. For example I'm still getting a warning with 1.1.0. Only 3.0.0 supports OPENSSL_NO_DEPRECATED.

After multiple failed attempts I decided to set the API level to 1.1.1 and define the three TLSv*_method() functions explicitly. It's not the most elegant approach but it works. The symbols are available unless OPENSSL_NO_TLS*_METHOD is defined.

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<https://bugs.python.org/issue43799>
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