From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 01 Apr 2025 09:47:14 GMT
Subject: Re: [PATCH 1/2] help: include SHA implementation in version info
Message-ID: <xmqq1pucb4d9.fsf@gitster.g>
In-Reply-To: <Z-pCG9d7Rf9SMuXJ@pks.im>

Patrick Steinhardt <ps@pks.im> writes:

> Another option: we could ask the implementations themselves to define a
> symbol `SHA1_BACKEND` and use it here. This would automatically ensure
> that any implementation must define the symbol as we'd otherwise get a
> compile error. We could also conditionally define `SHA1_UNSAFE_BACKEND`
> depending on whether or not we have it.

Much simpler and less error prone.