Date: Sun, 14 Jun 2020 20:43:35 +0000 From: John Starks <John.Starks@...rosoft.com> To: "musl@...ts.openwall.com" <musl@...ts.openwall.com> Subject: RE: [EXTERNAL] Re: Advocating musl to in windows subsystem and OS X > From: Markus Wichmann <nullplan@....net> > On Fri, Jun 12, 2020 at 06:56:28PM +0200, Brian Peregrine wrote: > > Microsoft probably uses glibc (as the subsystem seems to be > > canonical-made and they use glibc in ubuntu), > > The distribution you install is just a collection of the exact binaries you would > get in a normal install. Therefore it is the distribution itself which has a libc, > and whether that is glibc, musl, or dietlibc (just to name an utterly outlandish > option) is up to the distribution. > However, there is one additional file installed, called /init, which is also the > root of the emulated process tree. And that file is statically linked against > musl (as you can tell by running "strings" on it). It apparently generates a > couple of files from Windows' current system settings (like /etc/resolv.conf). Yes, originally we dynamically linked our infrastructure binaries to glibc and relied on the distro to ship it. These days we are happy users of (statically-linked) musl. We additionally try to make sure that musl-based distros such as Alpine work well within WSL.
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