[cups-devel] [UNKN] STR #4465: Configure script never finds openssl SSL_set_tlsext_host_name

[Paul Maurer]

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[STR New]

In cups 1.7.5, the configure script is unable to detect if openssl has
SSL_set_tlsext_host_name.  openssl 1.0.1h has this feature, but it is a
#define macro, not a function, so the configure test fails.

The fix is to have configure check for the #define.  This has been tested
with openssl 1.0.1h and libressl 2.0.5 with cups 1.7.4 and 1.7.5.  This
does not apply to version 2.0b1 because it does not perform a configure
check for SSL_set_tlsext_host_name.

Looking through all available packages on my gentoo linux system, this has
been true since at least openssl version 0.9.8y and is still true in
1.0.2b2.  Every single openssl package available for my system has
SSL_set_tlsext_host_name as a #define.

Patch attached.

Link: https://www.cups.org/str.php?L4465
Version: 1.7.5
Attachment: https://www.cups.org/strfiles.php/3377/cups-1.7.4-libressl.patch
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