Dear Maintainer,

The astrometry.net package FTBFS with swig 4.5.0, which is currently in unstable. An excerpt of the build log is shown below.

This is due to the removal of the Python 2 compatibility macros in version 4.5.0. According to the SWIG authors, these macros were retained in the generated code (pyhead.swg) solely for user typemaps. Any typemap using these macros must be updated to call the Python 3 C API directly.

Best,

Rafael Laboissière

##### Build log excerpt

util_wrap.c: In function ‘broadcast_2to2i’:
util_wrap.c:5402:19: error: implicit declaration of function ‘PyInt_FromLong’; did you mean ‘PyLong_FromLong’? [-Wimplicit-function-declaration]
 5402 |             pok = PyInt_FromLong(i);
      |                   ^~~~~~~~~~~~~~
      |                   PyLong_FromLong
util_wrap.c:5402:17: error: assignment to ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
 5402 |             pok = PyInt_FromLong(i);
      |                 ^
util_wrap.c: In function ‘_wrap_quadfile_get_stars’:
util_wrap.c:10981:21: error: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
10981 |       PyObject *o = PyInt_FromLong(arg3[i]);
      |                     ^~~~~~~~~~~~~~
util_wrap.c: In function ‘_wrap_healpix_get_neighbours’:
util_wrap.c:15496:21: error: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
15496 |       PyObject *o = PyInt_FromLong(arg2[i]);
      |                     ^~~~~~~~~~~~~~
util_wrap.c: In function ‘_wrap_healpix_rangesearch_xyz’:
util_wrap.c:15969:21: error: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
15969 |       PyObject *o = PyInt_FromLong(il_get(result, i));
      |                     ^~~~~~~~~~~~~~
util_wrap.c: In function ‘_wrap_healpix_rangesearch_xyz_approx’:
util_wrap.c:16021:21: error: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
16021 |       PyObject *o = PyInt_FromLong(il_get(result, i));
      |                     ^~~~~~~~~~~~~~
util_wrap.c: In function ‘_wrap_healpix_rangesearch_radec_approx’:
util_wrap.c:16081:21: error: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
16081 |       PyObject *o = PyInt_FromLong(il_get(result, i));
      |                     ^~~~~~~~~~~~~~
util_wrap.c: In function ‘_wrap_healpix_rangesearch_radec’:
util_wrap.c:16141:21: error: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
16141 |       PyObject *o = PyInt_FromLong(il_get(result, i));
      |                     ^~~~~~~~~~~~~~
util_wrap.c: In function ‘_wrap_healpix_region_search’:
util_wrap.c:16226:21: error: initialization of ‘PyObject *’ {aka ‘struct _object *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
16226 |       PyObject *o = PyInt_FromLong(il_get(result, i));
      |                     ^~~~~~~~~~~~~~
error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1
make[3]: *** [Makefile:171: _util.cpython-314-x86_64-linux-gnu.so] Error 1
make[3]: Leaving directory '/home/rafael/automate/swig-4.5.0/tmp/astrometry.net-0.98+dfsg/util'
make[2]: *** [Makefile:148: pyutil] Error 2

I proposed a patch for fixing the issue as a merge request at Salsa:
https://salsa.debian.org/debian-astro-team/astrometry.net/-/merge_requests/2

Best,

Rafael Laboissière

We believe that the bug you reported is fixed in the latest version of
astrometry.net, 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 1144991@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Ole Streicher <olebole@debian.org> (supplier of updated astrometry.net 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 ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sat, 29 Aug 2026 11:11:27 +0200
Source: astrometry.net
Architecture: source
Version: 0.98+dfsg-2
Distribution: unstable
Urgency: medium
Maintainer: Debian Astronomy Team <debian-astro-maintainers@lists.alioth.debian.org>
Changed-By: Ole Streicher <olebole@debian.org>
Closes: 1144991
Changes:
 astrometry.net (0.98+dfsg-2) unstable; urgency=medium
 .
   [ Alexandre Detiste ]
   * Recommends: python3-exifread instead of transitional python3-exif
 .
   [ Rafael Laboissière ]
   * Add patch for fixing FTBFS with swig 4.5.0 (Closes: #1144991)
 .
   [ Ole Streicher ]
   * Push Standards-Version to 4.7.4, dh-compat to 14, no changes required
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