Your message dated Thu, 10 Sep 2026 04:34:09 +0000
with message-id <[email protected]>
and subject line Bug#1128743: fixed in pyinstaller 6.22.2+ds-1
has caused the Debian Bug report #1128743,
regarding pyinstaller: FTBFS with glibc 2.43 due to ISO C23 const return types
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.

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-- 
1128743: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1128743
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: pyinstaller
Version: 6.18.0+ds-2
Severity: important
Tags: ftbfs upstream
Justification: fails to build from source
User: [email protected]
Usertags: glibc-2.43

Dear maintainer(s),

pyinstaller fails to build from source with glibc 2.43, currently in
experimental. From the build log:

| [ 8/23] Compiling src/pyi_utils_posix.c
| 12:18:38 runner ['/usr/bin/gcc', '-g', '-O2', 
'-Werror=implicit-function-declaration', 
'-ffile-prefix-map=/build/reproducible-path/pyinstaller-6.18.0+ds=.', 
'-fstack-protector-strong', '-fstack-clash-protection', '-Wformat', 
'-Werror=format-security', '-mbranch-protection=standard', '-O2', '-Wall', 
'-Werror', '-Wno-error=unused-variable', '-Wno-error=unused-function', 
'-Wno-error=unused-but-set-variable', '-U_FORTIFY_SOURCE', '-Isrc', 
'-I../../src', '-Iwindows', '-I../../windows', '-Izlib', '-I../../zlib', 
'-D_REENTRANT', '-D_BSD_SOURCE', '-D_DEFAULT_SOURCE', '-D_FORTIFY_SOURCE=2', 
'-DHAVE_SEMAPHORE_H=1', '-DPYI_USE_POSIX_SEMAPHORE', '-DHAVE_STDBOOL_H=1', 
'-DHAVE_UNSETENV=1', '-DHAVE_MKDTEMP=1', '-DHAVE_DIRNAME=1', 
'-DHAVE_BASENAME=1', '-DHAVE_WCSDUP=1', '-DLAUNCH_DEBUG', '-DNDEBUG', 
'../../src/pyi_utils_posix.c', '-c', 
'-o/build/reproducible-path/pyinstaller-6.18.0+ds/bootloader/build/debug/src/pyi_utils_posix.c.1.o',
 '-Wdate-time', '-D_FORTIFY_SOURCE=2']

...

| ../../src/pyi_utils_posix.c: In function ‘_pyi_create_runtime_tmpdir’:
| ../../src/pyi_utils_posix.c:157:24: error: assignment discards ‘const’ 
qualifier from pointer target type [-Werror=discarded-qualifiers]
|   157 |     for(subpath_cursor = strchr(runtime_tmpdir, '/'); subpath_cursor 
!= NULL; subpath_cursor = strchr(++subpath_cursor, '/')) {
|       |                        ^
| cc1: all warnings being treated as errors
| 
| ../../src/pyi_utils.c: In function ‘pyi_create_parent_directory_tree’:
| ../../src/pyi_utils.c:65:25: error: assignment discards ‘const’ qualifier 
from pointer target type [-Werror=discarded-qualifiers]
|    65 |     for (subpath_cursor = strchr(filename, PYI_SEP); subpath_cursor 
!= NULL; subpath_cursor = strchr(++subpath_cursor, PYI_SEP)) {
|       |                         ^
| cc1: all warnings being treated as errors
| 
| Waf: Leaving directory 
`/build/reproducible-path/pyinstaller-6.18.0+ds/bootloader/build/debug'
| Build failed
|  -> task in 'OBJECTS' failed with exit status 1: 
|       {task 271633060253328: c pyi_utils_posix.c -> pyi_utils_posix.c.1.o}
| ['/usr/bin/gcc', '-g', '-O2', '-Werror=implicit-function-declaration', 
'-ffile-prefix-map=/build/reproducible-path/pyinstaller-6.18.0+ds=.', 
'-fstack-protector-strong', '-fstack-clash-protection', '-Wformat', 
'-Werror=format-security', '-mbranch-protection=standard', '-O2', '-Wall', 
'-Werror', '-Wno-error=unused-variable', '-Wno-error=unused-function', 
'-Wno-error=unused-but-set-variable', '-U_FORTIFY_SOURCE', '-Isrc', 
'-I../../src', '-Iwindows', '-I../../windows', '-Izlib', '-I../../zlib', 
'-D_REENTRANT', '-D_BSD_SOURCE', '-D_DEFAULT_SOURCE', '-D_FORTIFY_SOURCE=2', 
'-DHAVE_SEMAPHORE_H=1', '-DPYI_USE_POSIX_SEMAPHORE', '-DHAVE_STDBOOL_H=1', 
'-DHAVE_UNSETENV=1', '-DHAVE_MKDTEMP=1', '-DHAVE_DIRNAME=1', 
'-DHAVE_BASENAME=1', '-DHAVE_WCSDUP=1', '-DLAUNCH_DEBUG', '-DNDEBUG', 
'../../src/pyi_utils_posix.c', '-c', 
'-o/build/reproducible-path/pyinstaller-6.18.0+ds/bootloader/build/debug/src/pyi_utils_posix.c.1.o',
 '-Wdate-time', '-D_FORTIFY_SOURCE=2']
|  -> task in 'OBJECTS' failed with exit status 1: 
|       {task 271633060252752: c pyi_utils.c -> pyi_utils.c.1.o}
| ['/usr/bin/gcc', '-g', '-O2', '-Werror=implicit-function-declaration', 
'-ffile-prefix-map=/build/reproducible-path/pyinstaller-6.18.0+ds=.', 
'-fstack-protector-strong', '-fstack-clash-protection', '-Wformat', 
'-Werror=format-security', '-mbranch-protection=standard', '-O2', '-Wall', 
'-Werror', '-Wno-error=unused-variable', '-Wno-error=unused-function', 
'-Wno-error=unused-but-set-variable', '-U_FORTIFY_SOURCE', '-Isrc', 
'-I../../src', '-Iwindows', '-I../../windows', '-Izlib', '-I../../zlib', 
'-D_REENTRANT', '-D_BSD_SOURCE', '-D_DEFAULT_SOURCE', '-D_FORTIFY_SOURCE=2', 
'-DHAVE_SEMAPHORE_H=1', '-DPYI_USE_POSIX_SEMAPHORE', '-DHAVE_STDBOOL_H=1', 
'-DHAVE_UNSETENV=1', '-DHAVE_MKDTEMP=1', '-DHAVE_DIRNAME=1', 
'-DHAVE_BASENAME=1', '-DHAVE_WCSDUP=1', '-DLAUNCH_DEBUG', '-DNDEBUG', 
'../../src/pyi_utils.c', '-c', 
'-o/build/reproducible-path/pyinstaller-6.18.0+ds/bootloader/build/debug/src/pyi_utils.c.1.o',
 '-Wdate-time', '-D_FORTIFY_SOURCE=2']
| ERROR: Failed compiling the bootloader. Please compile manually and rerun
| 
| ERROR Backend subprocess exited when trying to invoke build_wheel
| E: pybuild pybuild:483: build: plugin pyproject failed with: exit code=1: 
python3.14 -m build --skip-dependency-check --no-isolation --wheel --outdir 
/build/reproducible-path/pyinstaller-6.18.0+ds/.pybuild/cpython3_3.14  

...

| [ 8/23] Compiling src/pyi_utils_posix.c
| 12:18:45 runner ['/usr/bin/gcc', '-g', '-O2', 
'-Werror=implicit-function-declaration', 
'-ffile-prefix-map=/build/reproducible-path/pyinstaller-6.18.0+ds=.', 
'-fstack-protector-strong', '-fstack-clash-protection', '-Wformat', 
'-Werror=format-security', '-mbranch-protection=standard', '-O2', '-Wall', 
'-Werror', '-Wno-error=unused-variable', '-Wno-error=unused-function', 
'-Wno-error=unused-but-set-variable', '-U_FORTIFY_SOURCE', '-Isrc', 
'-I../../src', '-Iwindows', '-I../../windows', '-Izlib', '-I../../zlib', 
'-D_REENTRANT', '-D_BSD_SOURCE', '-D_DEFAULT_SOURCE', '-D_FORTIFY_SOURCE=2', 
'-DHAVE_SEMAPHORE_H=1', '-DPYI_USE_POSIX_SEMAPHORE', '-DHAVE_STDBOOL_H=1', 
'-DHAVE_UNSETENV=1', '-DHAVE_MKDTEMP=1', '-DHAVE_DIRNAME=1', 
'-DHAVE_BASENAME=1', '-DHAVE_WCSDUP=1', '-DLAUNCH_DEBUG', '-DNDEBUG', 
'../../src/pyi_utils_posix.c', '-c', 
'-o/build/reproducible-path/pyinstaller-6.18.0+ds/bootloader/build/debug/src/pyi_utils_posix.c.1.o',
 '-Wdate-time', '-D_FORTIFY_SOURCE=2']

| ../../src/pyi_utils.c: In function ‘pyi_create_parent_directory_tree’:
| ../../src/pyi_utils.c:65:25: error: assignment discards ‘const’ qualifier 
from pointer target type [-Werror=discarded-qualifiers]
|    65 |     for (subpath_cursor = strchr(filename, PYI_SEP); subpath_cursor 
!= NULL; subpath_cursor = strchr(++subpath_cursor, PYI_SEP)) {
|       |                         ^
| cc1: all warnings being treated as errors
| 
| ../../src/pyi_utils_posix.c: In function ‘_pyi_create_runtime_tmpdir’:
| ../../src/pyi_utils_posix.c:157:24: error: assignment discards ‘const’ 
qualifier from pointer target type [-Werror=discarded-qualifiers]
|   157 |     for(subpath_cursor = strchr(runtime_tmpdir, '/'); subpath_cursor 
!= NULL; subpath_cursor = strchr(++subpath_cursor, '/')) {
|       |                        ^
| cc1: all warnings being treated as errors
| 
| Waf: Leaving directory 
`/build/reproducible-path/pyinstaller-6.18.0+ds/bootloader/build/debug'
| Build failed
|  -> task in 'OBJECTS' failed with exit status 1: 
|       {task 275673165726000: c pyi_utils.c -> pyi_utils.c.1.o}
| ['/usr/bin/gcc', '-g', '-O2', '-Werror=implicit-function-declaration', 
'-ffile-prefix-map=/build/reproducible-path/pyinstaller-6.18.0+ds=.', 
'-fstack-protector-strong', '-fstack-clash-protection', '-Wformat', 
'-Werror=format-security', '-mbranch-protection=standard', '-O2', '-Wall', 
'-Werror', '-Wno-error=unused-variable', '-Wno-error=unused-function', 
'-Wno-error=unused-but-set-variable', '-U_FORTIFY_SOURCE', '-Isrc', 
'-I../../src', '-Iwindows', '-I../../windows', '-Izlib', '-I../../zlib', 
'-D_REENTRANT', '-D_BSD_SOURCE', '-D_DEFAULT_SOURCE', '-D_FORTIFY_SOURCE=2', 
'-DHAVE_SEMAPHORE_H=1', '-DPYI_USE_POSIX_SEMAPHORE', '-DHAVE_STDBOOL_H=1', 
'-DHAVE_UNSETENV=1', '-DHAVE_MKDTEMP=1', '-DHAVE_DIRNAME=1', 
'-DHAVE_BASENAME=1', '-DHAVE_WCSDUP=1', '-DLAUNCH_DEBUG', '-DNDEBUG', 
'../../src/pyi_utils.c', '-c', 
'-o/build/reproducible-path/pyinstaller-6.18.0+ds/bootloader/build/debug/src/pyi_utils.c.1.o',
 '-Wdate-time', '-D_FORTIFY_SOURCE=2']
|  -> task in 'OBJECTS' failed with exit status 1: 
|       {task 275673165728912: c pyi_utils_posix.c -> pyi_utils_posix.c.1.o}
| ['/usr/bin/gcc', '-g', '-O2', '-Werror=implicit-function-declaration', 
'-ffile-prefix-map=/build/reproducible-path/pyinstaller-6.18.0+ds=.', 
'-fstack-protector-strong', '-fstack-clash-protection', '-Wformat', 
'-Werror=format-security', '-mbranch-protection=standard', '-O2', '-Wall', 
'-Werror', '-Wno-error=unused-variable', '-Wno-error=unused-function', 
'-Wno-error=unused-but-set-variable', '-U_FORTIFY_SOURCE', '-Isrc', 
'-I../../src', '-Iwindows', '-I../../windows', '-Izlib', '-I../../zlib', 
'-D_REENTRANT', '-D_BSD_SOURCE', '-D_DEFAULT_SOURCE', '-D_FORTIFY_SOURCE=2', 
'-DHAVE_SEMAPHORE_H=1', '-DPYI_USE_POSIX_SEMAPHORE', '-DHAVE_STDBOOL_H=1', 
'-DHAVE_UNSETENV=1', '-DHAVE_MKDTEMP=1', '-DHAVE_DIRNAME=1', 
'-DHAVE_BASENAME=1', '-DHAVE_WCSDUP=1', '-DLAUNCH_DEBUG', '-DNDEBUG', 
'../../src/pyi_utils_posix.c', '-c', 
'-o/build/reproducible-path/pyinstaller-6.18.0+ds/bootloader/build/debug/src/pyi_utils_posix.c.1.o',
 '-Wdate-time', '-D_FORTIFY_SOURCE=2']
| ERROR: Failed compiling the bootloader. Please compile manually and rerun
| 
| ERROR Backend subprocess exited when trying to invoke build_wheel
| E: pybuild pybuild:483: build: plugin pyproject failed with: exit code=1: 
python3.13 -m build --skip-dependency-check --no-isolation --wheel --outdir 
/build/reproducible-path/pyinstaller-6.18.0+ds/.pybuild/cpython3_3.13  
| dh_auto_build: error: pybuild --build -i python{version} -p "3.14 3.13" 
returned exit code 13
| make: *** [debian/rules:35: binary] Error 25
| dpkg-buildpackage: error: debian/rules binary subprocess failed with exit 
status 2

The full build log is available here [1].

The issue is due to ISO C23 declaration of bsearch, memchr, strchr,
strpbrk, strrchr, strstr, wcschr, wcspbrk, wcsrchr, wcsstr and wmemchr,
which now returns a pointer to a const-qualified type when the input
argument is a pointer to a const-qualified type [2].

I would like to thanks Emanuele Rocca for doing the archive rebuild on
a fast arm64 server.

Regards
Aurelien

[1] 
https://people.debian.org/~ema/glibc-2.43-rebuilds/output-1/pyinstaller_arm64.build
[2] 
https://sourceware.org/git/?p=glibc.git;a=blob;f=NEWS;h=e271fb2e4d76903c77a302aaec1ca22ce31027d0;hb=f762ccf84f122d1354f103a151cba8bde797d521#l19

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
[email protected]                     http://aurel32.net

--- End Message ---
--- Begin Message ---
Source: pyinstaller
Source-Version: 6.22.2+ds-1
Done: Soren Stoutner <[email protected]>

We believe that the bug you reported is fixed in the latest version of
pyinstaller, 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.
Soren Stoutner <[email protected]> (supplier of updated pyinstaller 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: Wed, 09 Sep 2026 18:43:22 -0700
Source: pyinstaller
Architecture: source
Version: 6.22.2+ds-1
Distribution: unstable
Urgency: medium
Maintainer: Debian Python Team <[email protected]>
Changed-By: Soren Stoutner <[email protected]>
Closes: 1128743
Changes:
 pyinstaller (6.22.2+ds-1) unstable; urgency=medium
 .
   * New upstream release (closes: #1128743).
   * debian/source/lintian-overrides:  Update
     "uses-deprecated-python-stdlib distutils" tags.
   * debian/tests/upstream-tests:  Stop disabling test_multiprocessing.py.
   * debian/control:
     - Disable Build-Depends on "python3-ipython <!nocheck>" as the test is
       currently broken.
     - Bump debhelper-compat from version 13 to 14, dropping the now-unnecessary
       ${misc:Depends}, ${python3:Depends}, and ${shlibs:Depends}.
   * debian/copyright:  Update for new upstream release.
   * debian/lrc.config:  Update for new upstream release.
   * debian/rules:  Stop disabling test_multiprocessing.py.
Checksums-Sha1:
 77f7ce85680d2cd4e81c44ec077a5b529ee49436 4075 pyinstaller_6.22.2+ds-1.dsc
 99b95d6254e73e47f606caf23f8e0d2641a75adb 1920016 
pyinstaller_6.22.2+ds.orig.tar.xz
 695bc162162a41e0884085a08d70860019054faa 18144 
pyinstaller_6.22.2+ds-1.debian.tar.xz
 7bbe11b12fb8638206077992412e86d3b3a6d928 24471 
pyinstaller_6.22.2+ds-1_amd64.buildinfo
Checksums-Sha256:
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pyinstaller_6.22.2+ds-1.dsc
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pyinstaller_6.22.2+ds.orig.tar.xz
 e90b56a99d8251159b8568590645f8c9ff02ae6cc1555138e632b2c9a473ffdd 18144 
pyinstaller_6.22.2+ds-1.debian.tar.xz
 9d3e4528dc3b4ef85b02537fad69ea9755fc95a11c334382d02f4a4363143ff3 24471 
pyinstaller_6.22.2+ds-1_amd64.buildinfo
Files:
 ecc4faec568c2e182db86163b34d521b 4075 python optional 
pyinstaller_6.22.2+ds-1.dsc
 2089b2f88c3502681097b40cd75bb2a0 1920016 python optional 
pyinstaller_6.22.2+ds.orig.tar.xz
 024b32b776ec9072226b96224ef6041c 18144 python optional 
pyinstaller_6.22.2+ds-1.debian.tar.xz
 961adbe530dbebcd69a7d0ef7d86d1ca 24471 python optional 
pyinstaller_6.22.2+ds-1_amd64.buildinfo

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--- End Message ---

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