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From: Qian Hong <fracting AT gmail DOT com>
Date: Fri, 19 Feb 2016 17:38:42 +0800
Message-ID: <CALd+sZS=U_0hYRTQCs1gq2r22E9mWbFL1j=Bdhc+Gn5bJgr1Qg@mail.gmail.com>
Subject: Re: mktemp() fails on Wine 1.9.3 + Cygwin 2.5.0-0.2
To: cygwin <cygwin AT cygwin DOT com>
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Wine use xattr to store Windows ACL information as extended
attribution, (well, it's an emulation for compatibility reason...)

fracting AT fracting-ThinkPad-Edge-E431: ~/.wine/drive_c/cygwin$
$ getfattr tmp
# file: tmp
user.DOSATTRIB
user.wine.sd

fracting AT fracting-ThinkPad-Edge-E431: ~/.wine/drive_c/cygwin$ getfattr
-n user.wine.sd tmp
# file: tmp
user.wine.sd=0sAQAUEAAAHAAAABwAAAAAAAAA7AAAAAEFAAAAAAAFFQAAAAAAAAAAAAAAAAAAAOgDAAABBQAAAAAABRUAAAAAAAAAAAAAAAAAAAABAgAAAgDsAAkAAAABABQAAQACAAEBAAAAAAAAAAAAAAAAJAD/AR8AAQUAAAAAAAUVAAAAAAAAAAAAAAAAAAAA6AMAAAAAJACAABIAAQUAAAAAAAUVAAAAAAAAAAAAAAAAAAAAAQIAAAEAJAB/AQAAAQUAAAAAAAUVAAAAAAAAAAAAAAAAAAAAAQIAAAAAFAC/ARIAAQEAAAAAAAEAAAAAAQsUAAAAAgABAQAAAAAAAAAAAAAACxQA/wEfAAEBAAAAAAADAAAAAAALFACpABIAAQEAAAAAAAMBAAAAAAsUAKkAEgABAQAAAAAAAQAAAAA=

As a temporary hack, you can remove ~/.wine/drive_c/cygwin/tmp from
Linux and re-create using Linux mkdir (rather than Cygwin mkdir). Or
use Linux's `fgetxattr` to clear user.wine.sd attribution of
~/.wine/drive_c/cygwin/tmp, this should make `mktemp` and gcc work.

I'm still investigating what is the root cause.

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