Date: Mon, 28 Jan 2019 07:34:25 +0100 From: Florian Weimer <fweimer@...hat.com> To: u-uy74@...ey.se Cc: musl@...ts.openwall.com Subject: Re: Symbol versioning approximation trips on compat symbols * u-uy: > On Sat, Jan 26, 2019 at 11:04:24PM -0500, Rich Felker wrote: >> For what it's worth, compat symbols would have let us remove symbols >> that shouldn't have been put in musl, such as lchmod (which confuses >> broken apps which wrongly expect that, if it exists, it should work) > > For what my integrator perspective is worth, exposing brokenness instead > of catering for it is a Good Thing. > > Feature detection is one of the typical areas being messed up, in numerous > softwares. > > Thanks musl for exposing the pitfalls and forcing upstreams think better. As I explained, precisely that is not the case because the main musl user, Alpine Linux, builds musl with a broken toolchain that is not properly targeted to musl's features. I think the official musl instructions have the same result. So far, no one has presented a compelling way how to test for symbol versioning support. Thanks, Florian
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