[Skiboot] [PATCH] libstb: Work around deprecated API warnings on OpenSSL 3.0 systems

[Reza Arbab]

On Wed, May 25, 2022 at 09:42:28AM -0500, Reza Arbab wrote:
>Several OpenSSL APIs that libstb uses have been deprecated in OpenSSL
>3.0. Commit 9a1f95f87004 ("libstb/create-container: avoid using
>deprecated APIs when compiling with OpenSSL 3.0") enabled `make` to
>succeed on an OpenSSL 3.0 system, but `make check` still fails:
>
>  libstb/print-container.c:405:9: error: 'EC_KEY_new' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
>  libstb/print-container.c:413:9: error: 'EC_KEY_set_group' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
>  libstb/print-container.c:425:9: error: 'EC_POINT_bn2point' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
>  libstb/print-container.c:429:9: error: 'EC_KEY_set_public_key' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
>  libstb/print-container.c:434:9: error: 'ECDSA_do_verify' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
>  libstb/print-container.c:449:9: error: 'EC_KEY_free' is deprecated: Since OpenSSL 3.0 [-Werror=deprecated-declarations]
>
>This print-container.c is derived from the one in the sb-signing-utils
>project. Ideally, OpenSSL 3.0 support should be added there first and
>then synced back into skiboot. Until that is complete[1], build with
>-Wno-error=deprecated-declarations so these errors stop blocking our CI.
>
>[1] https://github.com/open-power/sb-signing-utils/issues/35

Applied to master.

-- 
Reza Arbab