[issue34988] Rc2 candidates: "gcc" not found on AIX

[Michael Felt]

New submission from Michael Felt :

Both rc2 packages - 
$ ls -l *.xz
-rw-r--r--1 aixtools staff  17178404 Oct 13 02:41 Python-3.6.7rc2.tar.xz
-rw-r--r--1 aixtools staff  16974832 Oct 13 02:24 Python-3.7.1rc2.tar.xz
 return the same error on a system using gcc as default compiler - BUT xlc is 
installed.

$ cc
ksh: cc:  not found.
$ xlc
/opt/IBM/xlc/13.1.3/bin/.orig/xlc: 1501-294 (S) No input file specified. Please 
use -qhelp for more information.
$ xlc_r
ksh: xlc_r:  not found.
$ gcc
gcc: fatal error: no input files
compilation terminated.

$ ./configure
checking build system type... powerpc-ibm-aix7.2.0.0
checking host system type... powerpc-ibm-aix7.2.0.0
checking for python3.7... no
checking for python3... python3
checking for --enable-universalsdk... no
checking for --with-universal-archs... no
checking MACHDEP... checking for --without-gcc...
checking for --with-icc... no
checking for gcc... xlc_r
checking whether the C compiler works... no
configure: error: in `/home/aixtools/Python-3.7.1rc2':
configure: error: C compiler cannot create executables
See `config.log' for more details

Bug being - it does check for gcc - which is in the PATH yet substitutes it for 
xlc_r which is not in the PATH.

excerpt from

ksh -x ./configure:

aix7
+ CONFIGURE_MACOSX_DEPLOYMENT_TARGET=
+ EXPORT_MACOSX_DEPLOYMENT_TARGET=#
+ print -r -- configure:3476: checking for --without-gcc
+ 1>& 5
+ print -rn -- checking for --without-gcc...
+ 1>& 6
checking for --without-gcc... + test  = set
+ CC=xlc_r
+ without_gcc=
+ print -r -- configure:3499: result:
+ 1>& 5
+ print -r --
+ 1>& 6

+ print -r -- configure:3502: checking for --with-icc

--
components: Build
messages: 327736
nosy: Michael.Felt
priority: normal
severity: normal
status: open
title: Rc2 candidates: "gcc" not found on AIX
type: behavior
versions: Python 3.6, Python 3.7

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[issue34095] [2.7] test_idle fails with: /usr/bin/xvfb-run: line 181: 3617 Segmentation fault

[Erich Eckner]

Erich Eckner  added the comment:

Yes, I get much further in the test suite, currently (40k lines logged vs. 
23k). Now, it succeeds until:

0:08:26 load avg: 0.72 [358/403/3] test_tuple
test_addmul (test.test_tuple.TupleTest) ... ok
test_bigrepeat (test.test_tuple.TupleTest) ... /usr/bin/xvfb-run: line 181:  231
8 Segmentation fault  (core dumped) DISPLAY=:$SERVERNUM XAUTHORITY=$AUTHFILE
 "$@" 2>&1

--
Added file: https://bugs.python.org/file47869/log

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[issue34953] Implement `mmap.mmap.__repr__`

[thautwarm]

thautwarm  added the comment:

How about this:

```
# opened


# closed


```

--
nosy: +thautwarm

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[issue34987] A possible null pointer dereference in _pickle.c's save_reduce()

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:

It is checked, and there is a comment about this.

p = obj_class != cls;/* true iff a problem */

--
nosy: +serhiy.storchaka

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[issue34747] SSLSocket.context cannot be changed on non-connected sockets

[Vincent Pelletier]

Change by Vincent Pelletier :


--
assignee:  -> christian.heimes
components: +Library (Lib), SSL
nosy: +christian.heimes

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[issue34987] A possible null pointer dereference in _pickle.c's save_reduce()

[Zackery Spytz]

Change by Zackery Spytz :


--
keywords: +patch
pull_requests: +9249
stage:  -> patch review

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[issue34987] A possible null pointer dereference in _pickle.c's save_reduce()

[Zackery Spytz]

New submission from Zackery Spytz :

The get_class() call in save_reduce() is not checked for failure.

--
components: Extension Modules
messages: 327732
nosy: ZackerySpytz
priority: normal
severity: normal
status: open
title: A possible null pointer dereference in _pickle.c's save_reduce()
type: crash
versions: Python 3.6, Python 3.7, Python 3.8

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[issue34957] Segementation faults on ARM and ARM64

[Kubilay Kocak]

Kubilay Kocak  added the comment:

All our FreeBSD ports (lang/python??) and the packages produced from them all 
contain a LIBFFI option which is enabled by default, since 2015 [1][2]:

LIBFFI=on: Use libffi from ports instead of bundled version

This means that any 'default' package builds of these ports, including those in 
the official package repositories, will install and build again st the 
port/package version of libffi, and not the bundled version.

This was originally due to broken builds on i386 (see #22521 and issue23042), 
but also to due library policy (use external/upstream, not bundled libraries), 
and not wanting to use outdated/stale version any longer.

[1] python27: https://svnweb.freebsd.org/changeset/ports/377581
[2] python34+: https://svnweb.freebsd.org/changeset/ports/378821

--

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