"OpenSSL version is too old" while compiling http 2.4.16 on MacOS 10.11

[arnaud icard <arnaud.icard@xxxxxxxxx>]

Hi there, 

I encounter an error with OpenSSL while compiling http 2.4.16 on El Capitan 10.11.1. 

It is looking for OpenSSL version >= 0.9.8a: 
    checking for OpenSSL... checking for user-provided OpenSSL base directory... none 
    checking for OpenSSL version >= 0.9.8a... FAILED 
    configure: WARNING: OpenSSL version is too old 


The default OpenSSL version is 0.9.8zg: 
    $ openssl version 
    OpenSSL 0.9.8zg 14 July 2015 


And finally here is a part of my compilation line : 
    ./configure --prefix=/usr/local/MyWebserver/httpd-2.4.16 \ 
    --enable-ssl \ 
    --with-few-things... \ 
    --disable-lots-of-things... 


I don't want to install another openssl even with `brew`. 


Is it an OpenSSL bug? An apache bug? Not a bug but a mistake of mine? 
Could someone please help me on this one ? 

Regards, 
arnaud 

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Arnaud Icard