Re: ligcrypt version (Ubuntu)

[Pascal Quantin <pascal.quantin () gmail com>]

Hi,

2016-03-09 23:47 GMT+01:00 Guy Harris <guy () alum mit edu>:

> On Mar 9, 2016, at 2:26 PM, Mike Morrin <morrinmike () gmail com> wrote:
>
> > I was intending to do the version check inside the dissector source
> file, that seems easier than putting an exceptional case into the make
> system.
>
> If, for example libcrypto supplies a #define you can check, so you can
> just do it with an #ifdef in the dissector, without any checking needed by
> the configure script or CMake, that's fine.

packet-pdcp-lte.c is using the following define for this purpose:
#if (defined GCRYPT_VERSION_NUMBER) && (GCRYPT_VERSION_NUMBER >= 0x010600)

You sould also use HAVE_LIBGCRYPT define to exclude useless code for those
who would not have libgcrypt installed at all.

Regards,
Pascal.

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