Date: Thu, 22 Mar 2012 12:50:11 GMT From: Jan Mikkelsen <janm@transactionware.com> To: freebsd-python@FreeBSD.org Subject: Re: ports/163467: Ports using python 2.7 and " waf" intermittently hang on build/installation Message-ID: <201203221250.q2MCoBek051875@freefall.freebsd.org>
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The following reply was made to PR ports/163467; it has been noted by GNATS.
From: Jan Mikkelsen <janm@transactionware.com>
To: Mel Flynn <rflynn@acsalaska.net>
Cc: bug-followup@FreeBSD.org
Subject: Re: ports/163467: Ports using python 2.7 and "waf" intermittently hang on build/installation
Date: Thu, 22 Mar 2012 23:36:28 +1100
Hi Mel,
Sorry about taking so long to get back to you.
I have python installed without WITH_SEM already. The build process is =
logged and I have the complete system checked into our local Perforce =
server. These are the arguments to exec on the last build:
Executing, with stdin from /dev/null:
arg[0] =3D '/usr/sbin/chroot'
arg[1] =3D '/home/janm/p4/freebsd-image-std-2011.1/work/build-chroot'
arg[2] =3D '/usr/bin/env'
arg[3] =3D '-'
arg[4] =3D =
'PATH=3D/sbin:/bin:/usr/bin:/usr/sbin:/usr/local/sbin:/usr/local/bin:/usr/=
X11R6/bin'
arg[5] =3D '/bin/sh'
arg[6] =3D '-cxe'
arg[7] =3D ' cd /usr/ports/lang/python27
env NO_MTREE=3D"true" make package =
WRKDIRPREFIX=3D/ports-work =
PKGFILE=3D'/ports-packages/python27-2.7.2_3.tbz' BATCH=3Dyes =
NODEPENDS=3Dyes PACKAGE_BUILDING=3Dyes=20
'
I also had the output to stdout and stderr from that build and noticed =
that the configure output was still showing that Posix semaphores were =
in use. Looking at the makefile, I see this:
post-patch:
.if defined(WITH_SEM)
.if ${OSVERSION} >=3D 701106
@cd ${WRKSRC} && ${PATCH} ${PATCH_ARGS} < =
${PATCHDIR}/extra-patch-setup.py
.endif
.endif
That patch only disables HAVE_SEM_OPEN and HAVE_SEM_TIMEDWAIT when =
WITH_SEM is not set on FreeBSD 6 and earlier. In the build log I see =
(without WITH_SEM set):
checking for sem_open... yes
checking for sem_timedwait... yes
The interesting test would be to explicitly disable HAVE_SEM_OPEN and =
HAVE_SEM_TIMEDWAIT in the python build. I'll set up a test and see if we =
have any builds hang.
Have you discovered anything new since your email?
Thanks,
Jan Mikkelsen
On 19/03/2012, at 10:54 PM, Mel Flynn wrote:
> Hi Jan,
>=20
> if you have python built with semaphores could you reinstall without
> them and see if you can still reproduce the problem?
> If you haven't, please do show:
> make -C /usr/ports/lang/python27 show-config
>=20
> --=20
> Mel
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