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Ciao.</div>
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I haven't had a chance to compile the exact OpenSSL version using g++ compiler as stated by the user/poster.</div>
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If this user is using a modified or altered version of OpenSSL provided source code, is there support available? Don't get me wrong, I don't mind helping out but .....</div>
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I'll try to compile OpenSSL source code this evening and I'll post my findings here.</div>
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Regards.</div>
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Sergio.<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> openssl-users <openssl-users-bounces@openssl.org> on behalf of Dr. Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com><br>
<b>Sent:</b> Tuesday, 1 October 2019 12:28 AM<br>
<b>To:</b> Nagalakshmi V J <nagalakshmi.j@altran.com>; Michael Mueller <abaci.mjm@gmail.com><br>
<b>Cc:</b> openssl-users@openssl.org <openssl-users@openssl.org>; Umamaheswari Nagarajan <umamaheswari.nagarajan@altran.com><br>
<b>Subject:</b> AW: OpenSSL compilation errors in Windows</font>
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<span style="" lang="EN-US">> </span><span style="" lang="EN-US">OpenSSL code is compiling without any issues. When it is used from our product code and while compiling using C++ compiler, the issue is seen.</span></p>
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<span style="" lang="EN-US"> </span></p>
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<span style="" lang="EN-US">As I wrote previously, the error you posted was caused<span style="">
</span>by the fact that you are compiling <span class="x_SpellE">Ansi</span> C (<span class="x_SpellE">a.k.a</span>
</span><span style="font-size:10.5pt; font-family:"Arial",sans-serif; color:#222222; background:white" lang="EN-US">ISO/IEC 9899:1990,
<span class="x_SpellE">a.k.a</span> </span><span style="" lang="EN-US">C90) source code</span></p>
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<span style="" lang="EN-US">using a C++ compiler. While C permits a cast from ‘void *’ to ‘<span class="x_SpellE">anytype</span> *’, C++ doesn’t allow it without an explicit cast.</span></p>
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<span style="" lang="EN-US"> </span></p>
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<span style="" lang="EN-US">Only the *<b>public</b>* OpenSSL headers are guaranteed to be includable by a C++ compiler (they contain the necessary ` extern “C” ` blocks, etc.),</span></p>
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<span style="" lang="EN-US">not the internal headers. Including *<b>internal</b>* headers is neither supported nor possible with a C++ compiler. And as Matt Caswell already told you,</span></p>
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<span style="" lang="EN-US">there are no compatibility guarantees for those headers.</span></p>
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<span style="" lang="EN-US"> </span></p>
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<span style="" lang="EN-US">Matthias</span></p>
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<span style="" lang="EN-US"> </span></p>
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<span style="" lang="EN-US"> </span></p>
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<span style="" lang="EN-US"> </span></p>
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