[issue29899] zlib missing when --enable--optimizations option appended

[Irit Katriel]

Irit Katriel  added the comment:

Version 3.3 is no longer supported, and it doesn't look like there is enough 
information here for core devs to understand what happened.

I'll close this, but please create a new issue if you are still having this 
problem with a current version (>= 3.9).

--
nosy: +iritkatriel
resolution:  -> out of date
stage:  -> resolved
status: open -> closed

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[issue29899] zlib missing when --enable--optimizations option appended

[STINNER Victor]

STINNER Victor added the comment:

See also the issue #29641 "make install failure when using ./configure 
--enable-optimizations".

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[issue29899] zlib missing when --enable--optimizations option appended

[STINNER Victor]

STINNER Victor added the comment:

Strange, I don't see any obvious error related to the C "z" lib or to the 
Python "zlib" module.

Example on my system:

haypo@selma$ python3
Python 3.5.2 (default, Sep 14 2016, 11:28:32) 
[GCC 6.2.1 20160901 (Red Hat 6.2.1-1)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import zlib
>>> zlib

>>> 
haypo@selma$ ldd 
/usr/lib64/python3.5/lib-dynload/zlib.cpython-35m-x86_64-linux-gnu.so
linux-vdso.so.1 (0x7fff22f2e000)
libz.so.1 => /lib64/libz.so.1 (0x7f88e1fe)
libpython3.5m.so.1.0 => /lib64/libpython3.5m.so.1.0 (0x7f88e1b13000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x7f88e18f5000)
libc.so.6 => /lib64/libc.so.6 (0x7f88e152f000)
libdl.so.2 => /lib64/libdl.so.2 (0x7f88e132b000)
libutil.so.1 => /lib64/libutil.so.1 (0x7f88e1126000)
libm.so.6 => /lib64/libm.so.6 (0x7f88e0e1d000)
/lib64/ld-linux-x86-64.so.2 (0x55d00b915000)
haypo@selma$ ldd 
/usr/lib64/python3.5/lib-dynload/zlib.cpython-35m-x86_64-linux-gnu.so^C
haypo@selma$ ls -l /lib64/libz.so.1
lrwxrwxrwx. 1 root root 13  5 févr.  2016 /lib64/libz.so.1 -> libz.so.1.2.8

Can you check if you have a "zlib.(...).so" file in 
/usr/lib64/python3.5/lib-dynload/? (ajust to the right directory)

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[issue29899] zlib missing when --enable--optimizations option appended

[kyren]

kyren added the comment:

This is make.log.

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Added file: http://bugs.python.org/file46758/make.log

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[issue29899] zlib missing when --enable--optimizations option appended

[kyren]

kyren added the comment:

This is the config.log.

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Added file: http://bugs.python.org/file46757/config.log

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[issue29899] zlib missing when --enable--optimizations option appended

[STINNER Victor]

STINNER Victor added the comment:

Can you please attach config.log file? And maybe also redirect the output of 
"make" into a log file and then attach this log file as well? Example: make 
2>&1 >make.log.

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nosy: +haypo

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[issue29899] zlib missing when --enable--optimizations option appended

[kyren]

kyren added the comment:

There's no build errors. The compiling and installing process is error-free. 
Take 3.5.3 as example, it's all good until you enter 3.5.3 python shell and 
type `import zlib`, it gives `No module name zlib`. I solved by make a 
`libz.so` link in my `/lib` dir to the `libz.so.1` file in my 
`/lib/x86_64-linux-gnu` dir according to a thread in Ubuntu forum. It may be 
system specific, I don't know yet.

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nosy: +kyren

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[issue29899] zlib missing when --enable--optimizations option appended

[Ned Deily]

Ned Deily added the comment:

--enable-optimizations does not exist in Python 3.4.x so any failures there 
must be due to something else.  Are there any build errors?  Can you show 
exactly where the message comes from?

--
nosy: +ned.deily

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[issue29899] zlib missing when --enable--optimizations option appended

[kyren 原子喵]

New submission from kyren 原子喵:

i think it happens to all versions that recognizes the optimizations option. At 
least I confirmed python version 3.4.6, 3.5.3, 3.6.1, when 
`--enable-optimizations` is appended, `zlib` cannot be imported, `No module 
named zlib`. I'm working on Ubuntu 14.04 by the way. I don't know if it's 
system specific.

--
messages: 290465
nosy: kyren 原子喵
priority: normal
severity: normal
status: open
title: zlib missing when --enable--optimizations option appended
type: behavior
versions: Python 3.3

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