Dr Stephen Henson wrote:
>
> Greetings,
> from time to time I get the Win32 version of OpenSSL in a form
> where it compiles. A few problems have recently become apparent.
>
> The main one is how to handle the DEF files: specifically if you have
> some function #ifdef'ed out either because it isn't supported on that
> platform or is not wanted (e.g. NO_RSA) the DEF files and the DEF file
> generator (mkdef.pl) still includes them in the DEF files, you then get
> unresolved symbols when the DLL is built.
>
> The only solution I know of is to manually delete the unresolved
> functions from the auto generated DEF file.
If the routine is #ifdef'ed out, you could #else a dummy routine which
returns an error, indicating not available. This would also allow one
to compile and link against a .lib which does not have the entries, yet
run against a DLL which does.
>
> An alternative which should (hopefully) solve this problem once and for
> all is to junk the DEF files and generator completely. In my PKCS#12
> stuff I use the EXTERN macro for external functions. Normally this gets
> #define'd to nothing but under Win32 its becomes: __declspec( dllexport
> ) which causes the symbols to be exported if a DLL is built.
>
> As you can imagine changing every header file to support this is quite a
> big step. Before I try it can anyone think of a good reason why it may
> not work?
>
> Steve.
> --
> Dr Stephen N. Henson. http://www.drh-consultancy.demon.co.uk/
> Senior crypto engineer, Celo Communications: http://www.celocom.com/
> OpenSSL core developer. Email: [EMAIL PROTECTED]
> PGP key: via homepage.
>
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--
Douglas E. Engert <[EMAIL PROTECTED]>
Argonne National Laboratory
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