Re: Build issue with OpenSSL >= 4.0

Am 28.06.26 um 18:39 schrieb Dennis Preiser:
> Building mutt with OpenSSL >= 4.0 fails.
>
> | mutt_ssl.c:986:33: error: incomplete definition of type 'ASN1_IA5STRING' (aka 'struct asn1_string_st')
> | /Users/dennis/sw/include/openssl/types.h:57:16: note: forward declaration of 'struct asn1_string_st'
> | mutt_ssl.c:987:53: error: incomplete definition of type 'ASN1_IA5STRING' (aka 'struct asn1_string_st')
> | /Users/dennis/sw/include/openssl/types.h:57:16: note: forward declaration of 'struct asn1_string_st'
> | mutt_ssl.c:987:92: error: incomplete definition of type 'ASN1_IA5STRING' (aka 'struct asn1_string_st')
> | /Users/dennis/sw/include/openssl/types.h:57:16: note: forward declaration of 'struct asn1_string_st'
> | mutt_ssl.c:989:72: error: incomplete definition of type 'ASN1_IA5STRING' (aka 'struct asn1_string_st')
> | /Users/dennis/sw/include/openssl/types.h:57:16: note: forward declaration of 'struct asn1_string_st'
>
> The reason is a change in OpenSSL: the ASN1_STRING is now opaque and can
> no longer be accessed directly. Now, accessor functions must be used.
>
> See <https://openssl-library.org/post/2026-04-13-asn1_string/>
>
> The attached diff fixes this for me; something like this seems to be
> necessary for OpenSSL >= 4.0.
>
> Dennis

Thanks. Regarding the #ifdefs, wouldn't the accessor functions also work 
on older OpenSSL releases, too, so that mutt could switch to the 
accessor API wholesale?

-- 
Matthias Andree