gskit: remove

We remove support for building curl with gskit.

 - This is a niche TLS library, only running on some IBM systems
 - no regular curl contributors use this backend
 - no CI builds use or verify this backend
 - gskit, or the curl adaption for it, lacks many modern TLS features
   making it an inferior solution
 - build breakages in this code take weeks or more to get detected
 - fixing gskit code is mostly done "flying blind"

This removal has been advertized in DEPRECATED in Jan 2, 2023 and it has
been mentioned on the curl-library mailing list.

It could be brought back, this is not a ban. Given proper effort and
will, gskit support is welcome back into the curl TLS backend family.

Closes #11460
This commit is contained in:
Daniel Stenberg 2023-08-07 13:02:32 +02:00
parent 08b9f246f4
commit 78d6232f1f
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33 changed files with 35 additions and 1995 deletions

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@ -6,18 +6,6 @@ email the
as soon as possible and explain to us why this is a problem for you and
how your use case cannot be satisfied properly using a workaround.
## gskit
We remove support for building curl with the gskit TLS library in August 2023.
- This is a niche TLS library, only running on some IBM systems
- no regular curl contributors use this backend
- no CI builds use or verify this backend
- gskit, or the curl adaption for it, lacks many modern TLS features making it
an inferior solution
- build breakages in this code take weeks or more to get detected
- fixing gskit code is mostly done "flying blind"
## mingw v1
We remove support for building curl with the original legacy mingw version 1
@ -57,3 +45,5 @@ curl will remove the support for space-separated names in July 2024.
- NPN
- Support for systems without 64 bit data types
- NSS
- gskit