Re: Compile against OpenSSL 3.X

I should mention that I am trying to compile CFEngine version 3.18.1

On Tuesday, June 14, 2022 at 3:03:35 PM UTC-4 James T. wrote:

> For a variety of reasons, we prefer to compile our own CFEngine (Community 
> Edition) packages. It does not seem to compile cleanly against the OpenSSL 
> version found in CentOS 9, RHEL 9, and Ubuntu 22.04.
>
> Is there a workaround or do I need to start building (and bundling) a 
> specific version of OpenSSL along with the agent binaries?
>
> [user@test-cent9 cfengine-3.18.1]$* openssl version*
> OpenSSL 3.0.1 14 Dec 2021 (Library: OpenSSL 3.0.1 14 Dec 2021)
>
>
> *Compile errors:*
>
> In file included from hash.c:33:
> ./hash.h:64:28: error: unknown type name ‘RSA’
>    64 | Hash *HashNewFromKey(const RSA *rsa, HashMethod method);
>       |                            ^~~
> ./hash.h:163:23: error: unknown type name ‘RSA’
>   163 | void HashPubKey(const RSA *key, unsigned char 
> digest[EVP_MAX_MD_SIZE + 1], HashMethod type);
>       |                       ^~~
> hash.c:214:28: error: unknown type name ‘RSA’
>   214 | Hash *HashNewFromKey(const RSA *rsa, HashMethod method)
>       |                            ^~~
> hash.c: In function ‘HashNewFromKey’:
> hash.c:226:5: error: implicit declaration of function ‘RSA_get0_key’ 
> [-Werror=implicit-function-declaration]
>   226 |     RSA_get0_key(rsa, &n, &e, NULL);
>       |     ^~~~~~~~~~~~
> hash.c: At top level:
> hash.c:531:11: error: unknown type name ‘RSA’
>   531 |     const RSA *const key,
>       |           ^~~
> cc1: some warnings being treated as errors
> make[4]: *** [Makefile:618: hash.lo] Error 1
> make[3]: *** [Makefile:624: all-recursive] Error 1
> make[2]: *** [Makefile:531: all] Error 2
> make[1]: *** [Makefile:711: all-recursive] Error 1
> make: *** [Makefile:600: all] Error 2
>
>

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