Re: build broken with --enable-gcrypt

["Daniel P. Berrangé" <berrange@redhat.com>]

On Thu, Aug 27, 2020 at 02:18:46PM -0700, Richard Henderson wrote:
> The meson conversion seems to have not been properly accomplished for the
> gcrypt option: we fail to link against -lgcrypt.
> 
> I tried aping the nettle bits, like the following, but it has no effect.  I
> don't understand how the "nettle" token works, honestly, since it doesn't
> appear to be used at all.

Hmm, a red flag that we're missing CI coverage of the different
crypto backends.  I'll look into fixing this and the meson issue.


> diff --git a/configure b/configure
> index b1e11397a8..4fd50c0275 100755
> --- a/configure
> +++ b/configure
> @@ -6972,6 +6972,8 @@ if test "$gcrypt" = "yes" ; then
>    if test "$gcrypt_hmac" = "yes" ; then
>      echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
>    fi
> +  echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
> +  echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
>  fi
>  if test "$nettle" = "yes" ; then
>    echo "CONFIG_NETTLE=y" >> $config_host_mak
> diff --git a/meson.build b/meson.build
> index f0fe5f8799..d45c548191 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -108,6 +108,11 @@ if 'CONFIG_NETTLE' in config_host
>    nettle = declare_dependency(compile_args: config_host['NETTLE_CFLAGS'].split(),
>                                link_args: config_host['NETTLE_LIBS'].split())
>  endif
> +gcrypt = not_found
> +if 'CONFIG_GCRYPT' in config_host
> +  gcrypt = declare_dependency(compile_args: config_host['GCRYPT_CFLAGS'].split(),
> +                              link_args: config_host['GCRYPT_LIBS'].split())
> +endif
>  gnutls = not_found
>  if 'CONFIG_GNUTLS' in config_host
>    gnutls = declare_dependency(compile_args: config_host['GNUTLS_CFLAGS'].split(),


Regards,
Daniel
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