Your message dated Fri, 30 Oct 2026 11:19:38 +0000
with message-id <[email protected]>
and subject line Bug#1152449: fixed in neuron 8.2.6-4
has caused the Debian Bug report #1152449,
regarding neuron: FTBFS with Python 3.15:
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpy_nrn.cpp:161:30:
error: ‘PyWeakref_GetObject’ was not declared in this scope; did you mean
‘PyWeakref_GetRef’?
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact [email protected]
immediately.)
--
1152449: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1152449
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: neuron
Version: 8.2.6-3
Severity: serious
Tags: ftbfs
Justification: fails to build from source (but built successfully in the past)
X-Debbugs-Cc: [email protected]
Dear maintainer,
neuron failed to rebuild during the rebuilds with Python 3.15 as
supported version:
cd /build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu/src/nrniv &&
/usr/bin/x86_64-linux-gnu-g++ -DHAVE_CONFIG_H -DMPICH_SKIP_MPICXX=1
-DMPI_NO_CPPBIND=1 -DOMPI_SKIP_MPICXX=1
-I/build/reproducible-path/neuron-8.2.6/src/ivoc
-I/build/reproducible-path/neuron-8.2.6/src/nrncvode
-I/build/reproducible-path/neuron-8.2.6/src/nrniv
-I/build/reproducible-path/neuron-8.2.6/src/nrnoc
-I/build/reproducible-path/neuron-8.2.6/src/oc
-I/build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu
-I/build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu/src/nrncvode
-I/build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu/src/nrnoc
-I/build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu/src/nrnpython
-I/build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu/src/oc
-I/build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu/src/parallel
-I/build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu/src/sundials
-I/build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu/src/sundials/shared
-I/build/reproducible-path/neuron-8.2.6/external/Random123/include
-I/build/reproducible-path/neuron-8.2.6/src
-I/build/reproducible-path/neuron-8.2.6/src/gnu
-I/build/reproducible-path/neuron-8.2.6/src/mesch
-I/build/reproducible-path/neuron-8.2.6/src/nrnmpi
-I/build/reproducible-path/neuron-8.2.6/src/nrnpython
-I/build/reproducible-path/neuron-8.2.6/src/parallel
-I/build/reproducible-path/neuron-8.2.6/src/scopmath
-I/build/reproducible-path/neuron-8.2.6/src/sparse
-I/build/reproducible-path/neuron-8.2.6/src/sparse13
-I/build/reproducible-path/neuron-8.2.6/src/sundials
-I/build/reproducible-path/neuron-8.2.6/src/sundials/cvodes
-I/build/reproducible-path/neuron-8.2.6/src/sundials/ida
-I/build/reproducible-path/neuron-8.2.6/src/sundials/shared
-I/usr/include/python3.14
-I/build/reproducible-path/neuron-8.2.6/obj-x86_64-linux-gnu/src/nrniv/oc_generated
-I/usr/lib/x86_64-linux-gnu/openmpi/include
-I/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi -g -O2
-ffile-prefix-map=/build/reproducible-path/neuron-8.2.6=.
-fstack-protector-strong -fstack-clash-protection -Wformat
-Werror=format-security -fcf-protection -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2
-Wno-write-strings -std=c++11 -MD -MT
src/nrniv/CMakeFiles/nrniv.dir/__/oc/ockludge.cpp.o -MF
CMakeFiles/nrniv.dir/__/oc/ockludge.cpp.o.d -o
CMakeFiles/nrniv.dir/__/oc/ockludge.cpp.o -c
/build/reproducible-path/neuron-8.2.6/src/oc/ockludge.cpp
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpython.cpp: In function
‘int nrnpython_start(int)’:
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpython.cpp:168:13:
warning: ‘Py_NoSiteFlag’ is deprecated [-Wdeprecated-declarations]
168 | Py_NoSiteFlag = 1;
| ^~~~~~~~~~~~~
In file included from /usr/include/python3.15/Python.h:85,
from
/build/reproducible-path/neuron-8.2.6/src/nrnpython/./nrnwrap_Python.h:15,
from
/build/reproducible-path/neuron-8.2.6/src/nrnpython/./nrnpython.h:20,
from
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpython.cpp:1:
/usr/include/python3.15/cpython/pydebug.h:14:37: note: declared here
14 | Py_DEPRECATED(3.12) PyAPI_DATA(int) Py_NoSiteFlag;
| ^~~~~~~~~~~~~
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpython.cpp:178:29:
warning: ‘void Py_SetPythonHome(const wchar_t*)’ is deprecated
[-Wdeprecated-declarations]
178 | Py_SetPythonHome(mywstrdup(_p_pyhome));
| ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/python3.15/Python.h:133:
/usr/include/python3.15/pylifecycle.h:38:38: note: declared here
38 | Py_DEPRECATED(3.11) PyAPI_FUNC(void) Py_SetPythonHome(const wchar_t *);
| ^~~~~~~~~~~~~~~~
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpython.cpp:186:22:
warning: ‘void PySys_SetArgv(int, wchar_t**)’ is deprecated
[-Wdeprecated-declarations]
186 | PySys_SetArgv(nrn_global_argc, wcargv);
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/python3.15/Python.h:135:
/usr/include/python3.15/sysmodule.h:16:38: note: declared here
16 | Py_DEPRECATED(3.11) PyAPI_FUNC(void) PySys_SetArgv(int, wchar_t **);
| ^~~~~~~~~~~~~
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpython.cpp:204:22:
warning: ‘void PySys_SetArgv(int, wchar_t**)’ is deprecated
[-Wdeprecated-declarations]
204 | PySys_SetArgv(nrn_global_argc, wcargv);
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/python3.15/sysmodule.h:16:38: note: declared here
16 | Py_DEPRECATED(3.11) PyAPI_FUNC(void) PySys_SetArgv(int, wchar_t **);
| ^~~~~~~~~~~~~
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpy_nrn.cpp: In function
‘Object* pysec_cell(Section*)’:
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpy_nrn.cpp:161:30:
error: ‘PyWeakref_GetObject’ was not declared in this scope; did you mean
‘PyWeakref_GetRef’?
161 | PyObject* cell = PyWeakref_GetObject(cell_weakref);
| ^~~~~~~~~~~~~~~~~~~
| PyWeakref_GetRef
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpy_nrn.cpp: In function
‘int pysec_cell_equals(Section*, Object*)’:
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpy_nrn.cpp:193:30:
error: ‘PyWeakref_GetObject’ was not declared in this scope; did you mean
‘PyWeakref_GetRef’?
193 | PyObject* cell = PyWeakref_GetObject(cell_weakref);
| ^~~~~~~~~~~~~~~~~~~
| PyWeakref_GetRef
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpy_nrn.cpp: In function
‘PyObject* pysec2cell(NPySecObj*)’:
/build/reproducible-path/neuron-8.2.6/src/nrnpython/nrnpy_nrn.cpp:1011:18:
error: ‘PyWeakref_GET_OBJECT’ was not declared in this scope
1011 | result = PyWeakref_GET_OBJECT(self->cell_weakref_);
| ^~~~~~~~~~~~~~~~~~~~
make[3]: *** [src/nrnpython/CMakeFiles/nrnpython3.dir/build.make:110:
src/nrnpython/CMakeFiles/nrnpython3.dir/nrnpy_nrn.cpp.o] Error 1
make[3]: *** Waiting for unfinished jobs....
See
https://buildd.debian.org/status/fetch.php?pkg=neuron&arch=amd64&ver=8.2.6-3%2Bb2&stamp=1793124510&raw=0
for details.
Cheers
--
Sebastian Ramacher
--- End Message ---
--- Begin Message ---
Source: neuron
Source-Version: 8.2.6-4
Done: Maximiliano Curia <[email protected]>
We believe that the bug you reported is fixed in the latest version of
neuron, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Maximiliano Curia <[email protected]> (supplier of updated neuron package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Fri, 30 Oct 2026 11:49:22 +0100
Source: neuron
Architecture: source
Version: 8.2.6-4
Distribution: unstable
Urgency: medium
Maintainer: Debian Science Maintainers
<[email protected]>
Changed-By: Maximiliano Curia <[email protected]>
Closes: 1152449
Changes:
neuron (8.2.6-4) unstable; urgency=medium
.
* Team upload.
* Add upstream patch Move from deprecated PyWeakref_GetObject
(Closes: #1152449)
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