[CMake] FindOpenSSL always uses system libs

[Andreas Pakulat]

Hi,

On Wed, Aug 14, 2013 at 8:06 PM, Josef 'Jeff' Sipek
<jeffpc at josefsipek.net>wrote:

> If you have a (linux or solaris) system with openssl installed in /usr and
> a
> second copy installed elsewhere (e.g., /opt) and you want a cmake project
> to
> find the elsewhere version, no matter what you try it finds the system
> copy.
> (In other words, OPENSSL_ROOT_DIR has no effect.)  Are we missing
> something or
> is this a bug in FindOpenSSL?  We've tested cmake 2.8.5, 2.8.8, and 2.8.11
> without any luck.
>

Yes this is a bug in the module, on Windows it sets a variable called
_OPENSSL_HINTS_AND_PATHS, but on *nix it only sets _OPENSSL_HINTS based on
the OPENSSL_ROOT_DIR variable. The code further down that looks for headers
and libs only uses _OPENSSL_HINTS_AND_PATHS with the HINTS keyword and
nothing else in the file uses _OPENSSL_HINTS.

Andreas
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