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X-HELO: | calimero.vinschen.de |
Date: | Wed, 15 Jul 2015 09:51:17 +0200 |
From: | Corinna Vinschen <corinna-cygwin AT cygwin DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: TEST RELEASE: Cygwin 2.1.0-0.4 |
Message-ID: | <20150715075117.GA19844@calimero.vinschen.de> |
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--envbJBWh7q8WU6mo Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi guys, On Jul 14 22:07, Ken Brown wrote: > On 7/14/2015 6:03 PM, Eric Blake wrote: > >On 07/08/2015 01:39 PM, Warren Young wrote: > >>A search for "sigaltstack=E2=80=9D on code.openhub.net found only 95 pr= ojects with this string in their source code, almost entirely consisting of= *receivers* of that call, such as NetBSD, glibc, and a bunch of Linux fork= s. > > > >libsigsegv is a cygwin package (currently 32-bit only) that has > >configure checks to use sigaltstack if present; I have not yet tested if > >it can be configured to work with the new API, but hope to do so in the > >near future. In fact, if sigaltstack works, it may finally be possible > >to port libsigsegv to 64-bit cygwin (the reason the current package is > >not ported to 64-bit is that libsigsegv is relying on raw assembly and > >Windows native calls to emulate the lack of sigaltstack; but if > >sigaltstack works, then we don't need to port the 64-bit counterpart for > >the 32-bit specific hacks). >=20 > I just did a quick test, and it looks promising. I removed all > Cygwin-specific code from configure.ac and Makefile.am (see attached patc= h), > and it then built on 64-bit Cygwin. Here's the result of 'make check': >=20 > Entering directory > '/home/kbrown/src/cyglibsigsegv/libsigsegv-2.10-1.x86_64/build/tests' > Test passed. > PASS: sigsegv1.exe > Test passed. > PASS: sigsegv2.exe > Doing SIGSEGV pass 1. > Stack overflow 1 caught. > Doing SIGSEGV pass 2. > Stack overflow 2 caught. > Test passed. > PASS: sigsegv3.exe > SKIP: stackoverflow1.exe > SKIP: stackoverflow2.exe Any idea why these two tests have been skipped? That means the HAVE_STACK_OVERFLOW_RECOVERY autoconf test failed. You removed cygwin from the explicit mingw* | cygwin*) sv_cv_have_stack_overflow_recovery=3Dyes ;; which is the right thing to do, but that means CFG_LEAVE has been set to leave-none.c, apparently. I haven't much time to look into that right now, but will later today if you don't beat me to it. > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > All 3 tests passed > (2 tests were not run) > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > [...] > Please send the following summary line via email to the main author > Bruno Haible <bruno AT clisp DOT org> for inclusion into the list of > successfully tested platforms (see PORTING file). >=20 > libsigsegv: x86_64-unknown-cygwin | yes | no | 2.10 >=20 > >I'm not the cygwin packager for libsigsegv, >=20 > No one is; it's orphaned. >=20 > >but am one of the upstream > >contributors, and so this thread has piqued my interest. >=20 > So it seems that you would be the obvious person to maintain it, if you h= ave > the time. If you don't have the time, I'd be willing to ITA it just to g= et > it into the 64-bit distro. But in that case I'd appreciate it if you wou= ld > review my build after I send the ITA, since you actually know something > about libsigsegv, and I don't. Thanks a lot, this is most helpful. Corinna --=20 Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat --envbJBWh7q8WU6mo Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJVphD1AAoJEPU2Bp2uRE+gGs4P/jOskJvXpaPWqbgvx1f2U5rq n6aOzYDALWevoXChnE/vvbXrujAkoDXPrrR6uUFMuyuc6enP/56zQeNbsL5vn+FQ vWjZxbE5Tnmte5eyBnkEl4cCaCmWfUeUjXhiHV37qIJGn0YJGiAyP6Tt81sy26ts rRfG0rj9WEOI2hfWoeSQ08ErlJ+jJYyJF2RFBCZQ2OgfbonwY6uLhIKWbLI0U3C4 05/a/IAYxk5wCoaG0OGhzzA7L6VLxKH64Cuod26+4hucols/ENzvN+9Heqr2hwlf PY/E6218GiwqgqPJfowSGr9q7E6uXbpzJEuQJ9h8z5DFshb70hX10E0Kk+VOHnwF Y4rKlgskF8BSBryr3cfs3tjEp8+kzlKr44o9LRB9WnF5W99HZf3E41/p7cEF5Nk1 kZJKFXHtV4BBXM4AwlSTMlR2WTCIkhTWfrQl/tGz3qnR6T8gM/pia1YqmFQNVj+X eQpCeo7+8aB5EcTdDGrkzi4+oGNYnUl2xI5Q5UNGofNnPDcW7pL7v65xXbDvzCRW UNr/IxVQYSzar31D8eYpSgMj2c9sYsYDsxiStXromKmTvl9J/zaAin1B7OAIkrgA fH0hAgFKftyA+GoiylJbGgJPwR7nE3Kl/Mkve7RJKtm7intC/5LLkRJtaPrHTn4G Oygr4YJ3lqBFXEHehoSM =fCft -----END PGP SIGNATURE----- --envbJBWh7q8WU6mo--
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