Re: November 5th is Clang-Day
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On Friday, 2 November 2012 10:13:30 David Chisnall wrote:
> On 2 Nov 2012, at 05:24, Jan Beich wrote:
> >> Known Issues
> >=20
> > emulators/wine doesn't work with lib32 built by clang, probably due to
> > wine bugs.
>=20
> Is this still the case? There was an issue preventing WINE from working
> because it required stricter stack alignment than clang provided by
> default, but I thought it was fixed. Does WINE work if compiled with the
> flag that forces stack realignment? If not, then it's some other issue...
There are two issues here: 1) wine compiled with clang, and 2) wine (compil=
ed=20
with gcc) running on clang compiled base. =20
Regarding 1), according to the wiki [1], wine does have stack alignment iss=
ues=20
and some wine programs do not run when compiled with clang [2][3] and other=
=20
bugs with clang cause freezing within wine [4][5]. The impression I get is=
=20
that, using the work-a-round of stack realignment, wine does work to some=20
extent when compiled by clang. =20
Regarding 2) (which I believe Jan was referring to), when I have a gcc buil=
t=20
world and just replace lib32 with clang built libraries I have winecfg and=
=20
regedit launching but displaying black screens. Switching back to gcc buil=
t=20
lib32 I get a working winecfg and regedit. This, to me, indicates a clang=
=20
error somewhere. =20
The test was done on FreeBSD 9-Stable with:
# clang --version
=46reeBSD clang version 3.1 (branches/release_31 156863) 20120523
Target: x86_64-unknown-freebsd9.0
Thread model: posix
Regards
[1] wiki.winehq.org/Clang
[2] (regedit) http://llvm.org/bugs/show_bug.cgi?id=3D9830
[3] (wineboot) http://llvm.org/bugs/show_bug.cgi?id=3D9844
[4] http://llvm.org/bugs/show_bug.cgi?id=3D9704
[5] http://llvm.org/bugs/show_bug.cgi?id=3D9707
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