Date: Sun, 20 Sep 2020 06:18:13 -0600 From: Ariadne Conill <ariadne@...eferenced.org> To: musl@...ts.openwall.com, Bruno Haible <bruno@...sp.org>, "Dmitry V. Levin" <ldv@...linux.org> Cc: config-patches@....org Subject: Re: Re: OS detection wrong on Alpine Linux 3.10 Hello, On 2020-09-20 05:19, Bruno Haible wrote: > Dmitry V. Levin wrote: >> Is this __DEFINED_va_list macro the official way of detecting musl? > > No, but in a world where the musl people don't want to provide an official > way  and the Alpine Linux people break their previously working way of > detecting musl , we (GNU) need to use our own heuristics to fulfil the > practical need of programs (especially test suites) to distinguish musl > systems from glibc systems. Actually, it was a bug, and only affects Alpine Linux 3.10.0. Any 3.10.x release newer than that will work just fine with the pre-existing checks. I don't really think it is necessary to have this check, as the likelihood of anyone building GNU software by hand on Alpine Linux 3.10.0 at this point is low. Ariadne
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