Messages in this thread | | | Date | Fri, 25 Jan 2019 14:57:30 +0100 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 0/6] Fix issues with Python3 scripting |
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Em Fri, Jan 25, 2019 at 01:31:19PM +0100, Arnaldo Carvalho de Melo escreveu: > Em Wed, Jan 23, 2019 at 04:52:23PM -0800, Tony Jones escreveu: > > Seeteena posted, earlier this week, some patches to add Python3 support > > to scripts/python/*.py. Unfortunately there were some issues with these > > patches (such as: https://lkml.org/lkml/2019/1/17/351) > > > > Since I already had a tested set of patches in openSUSE:Factory and > > SLE15-SP1 and was about to submit them, Seeteena and I that agreed I > > should post my patches not involving scripts/python/*.py and Seeteena > > will later resubmit the patches for scripts/python/*.py incorporating > > my review feedback under a joint signed-off-by. > > > > It should be noted that the use of "from __future__ import print_function" > > (see: https://lkml.org/lkml/2019/1/16/641) and "except as" (see change to: > > tests/attr.py) implies Python2 >= 2.6 as the necessary support has not > > been backported to prior versions. I am not sure if it's worth detecting > > <2.6 at build time or whether it's sufficiently old as to be a non-issue? > > > > The shebang changes were driven mostly by our build process as it scans > > all files within an rpm and the shebangs would result in a rpm requires > > on the python2 binary when BuildRequires was python3-devel. I think they > > make sense to apply upstream but understand totally if it's prefered we > > keep them local. > > > > These changes have been tested with PYTHON=python2 (v2.7) and > > PYTHON=python3 (v3.6) on latest openSUSE Tumbleweed. I did notice that > > test #18 "'import perf' in python" is failing on my system without these > > changes. I'll look at it further but didn't want to hold up Seeteena's > > resubmit. > > So it fails on AmazonLinux 1, that has python 2.6, please check if this > is something we can workaround, if its difficult, I'll just use > NO_PYTHON=1 there to disable it. > > CC /tmp/build/perf/util/parse-branch-options.o > util/scripting-engines/trace-event-python.c: In function 'python_start_script': > util/scripting-engines/trace-event-python.c:1520:2: error: passing argument 1 of 'PyImport_AppendInittab' discards 'const' qualifier from pointer target type [-Werror] > PyImport_AppendInittab("perf_trace_context", initfunc); > ^ > In file included from /usr/include/python2.6/Python.h:130:0, > from util/scripting-engines/trace-event-python.c:22: > /usr/include/python2.6/import.h:54:17: note: expected 'char *' but argument is of type 'const char *' > PyAPI_FUNC(int) PyImport_AppendInittab(char *name, void (*initfunc)(void)); > ^ > cc1: all warnings being treated as errors > mv: cannot stat '/tmp/build/perf/util/scripting-engines/.trace-event-python.o.tmp': No such file or directory > make[5]: *** [/tmp/build/perf/util/scripting-engines/trace-event-python.o] Error 1
I did a quick hack to init an auto variable with that const string and then pass it, is passing everything so far:
$ dm 1 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0 2 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822 3 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0 4 alpine:3.7 : Ok gcc (Alpine 6.4.0) 6.4.0 5 alpine:3.8 : Ok gcc (Alpine 6.4.0) 6.4.0 6 alpine:edge : Ok gcc (Alpine 8.2.0) 8.2.0 7 amazonlinux:1 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28) 8 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5) 9 android-ndk:r12b-arm : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1) 10 android-ndk:r15c-arm : Ok gcc (GCC) 8.2.1 20181215 (Red Hat 8.2.1-6) 11 centos:5 : Ok gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55) 12 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23) 13 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-36) 14 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 8.2.1 20180502 15 debian:7 : Ok gcc (Debian 4.7.2-5) 4.7.2 16 debian:8 : Ok gcc (Debian 4.9.2-10+deb8u2) 4.9.2 17 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516 18 debian:experimental : Ok gcc (Debian 8.2.0-13) 8.2.0 19 debian:experimental-x-arm64 : Ok gcc (Debian 8.2.0-13) 8.2.0 20 debian:experimental-x-mips : Ok gcc (Debian 8.2.0-13) 8.2.0 21 debian:experimental-x-mips64 : Ok gcc (Debian 8.2.0-13) 8.2.0 22 debian:experimental-x-mipsel : Ok gcc (Debian 8.2.0-13) 8.2.0 23 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7) 24 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6) 25 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6) 26: fedora:24
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