Your message dated Fri, 20 Feb 2026 08:39:50 +0100
with message-id <[email protected]>
and subject line Re: Bug#1128363: octave-quaternion: FTBFS: dh_installdocs: 
error: Cannot find (any matches for) "devel/pdfdoc/quaternion.pdf"
has caused the Debian Bug report #1128363,
regarding octave-quaternion: FTBFS: dh_installdocs: error: Cannot find (any 
matches for) "devel/pdfdoc/quaternion.pdf"
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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-- 
1128363: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1128363
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: src:octave-quaternion
Version: 2.4.2-4
Severity: serious
Tags: ftbfs forky sid

Dear maintainer:

During a rebuild of all packages in unstable, this package failed to build.

Below you will find the last part of the build log (probably the most
relevant part, but not necessarily). If required, the full build log
is available here:

https://people.debian.org/~sanvila/build-logs/202602/

About the archive rebuild: The build was made on virtual machines from AWS,
using sbuild and a reduced chroot with only build-essential packages.

If you cannot reproduce the bug please contact me privately, as I
am willing to provide ssh access to a virtual machine where the bug is
fully reproducible.

If this is really a bug in one of the build-depends, please use
reassign and add an affects on src:octave-quaternion, so that this is still
visible in the BTS web page for this package.

Thanks.

--------------------------------------------------------------------------------
[...]
 debian/rules clean
dh clean --buildsystem=octave
   dh_auto_clean -O--buildsystem=octave
        dh_octave_clean
make[1]: Entering directory '/<<PKGBUILDDIR>>'
make[1]: *** No rule to make target 'clean'.
make[1]: *** No rule to make target 'distclean'.
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make[1]: Entering directory '/<<PKGBUILDDIR>>'
make[1]: *** src: No such file or directory.  Stop.
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
   dh_autoreconf_clean -O--buildsystem=octave
   dh_clean -O--buildsystem=octave
 debian/rules binary
dh binary --buildsystem=octave

[... snipped ...]

 q(2:4) = quaternion ([10, 20, 30], [11, 21, 31], [12, 22, 32], [13, 23, 33]);
 assert (q.w, [1, 10, 20, 30, 1]);
 assert (q.x, [2, 11, 21, 31, 2]);
***** test
 ## Test component assignment - q.w
 q = quaternion (1, 2, 3, 4);
 q.w = 10;
 assert (q.w, 10);
 assert (q.x, 2);
 assert (q.y, 3);
 assert (q.z, 4);
***** test
 ## Test component assignment - q.x, q.y, q.z
 q = quaternion (1, 2, 3, 4);
 q.x = 20;
 q.y = 30;
 q.z = 40;
 assert (q.w, 1);
 assert (q.x, 20);
 assert (q.y, 30);
 assert (q.z, 40);
***** test
 ## Test scalar part assignment - q.s
 q = quaternion (1, 2, 3, 4);
 q.s = quaternion (10);
 assert (q.w, 10);
 assert (q.x, 2);
 assert (q.y, 3);
 assert (q.z, 4);
***** test
 ## Test vector part assignment - q.v
 q = quaternion (1, 2, 3, 4);
 q.v = quaternion (0, 20, 30, 40);
 assert (q.w, 1);
 assert (q.x, 20);
 assert (q.y, 30);
 assert (q.z, 40);
***** test
 ## Test matrix indexed assignment
 w = ones(3, 3);
 x = 2*ones(3, 3);
 y = 3*ones(3, 3);
 z = 4*ones(3, 3);
 q = quaternion (w, x, y, z);
 q(2, 2) = quaternion (10, 20, 30, 40);
 assert (q.w(2, 2), 10);
 assert (q.x(2, 2), 20);
 assert (q.y(2, 2), 30);
 assert (q.z(2, 2), 40);
***** test
 ## Test assignment with mixed quaternion and zeros
 q = quaternion (1, 2, 3, 4);
 c = [q; zeros(2, 1)];
 c(2) = quaternion (5, 6, 7, 8);
 assert (c.w, [1; 5; 0]);
 assert (c.x, [2; 6; 0]);
8 tests, 8 passed, 0 known failure, 0 skipped
[inst/@quaternion/log.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/log.m
***** shared A, B
 Aw = [2, 6, 10; 14, 18, 22];
 Ax = [3, 7, 11; 15, 19, 23];
 Ay = [4, 8, 12; 16, 20, 24];
 Az = [5, 9, 13; 17, 21, 25];
 A = quaternion (Aw, Ax, Ay, Az);

 B = exp (log (A));

***** assert (A.w, B.w, 1e-4);
***** assert (A.x, B.x, 1e-4);
***** assert (A.y, B.y, 1e-4);
***** assert (A.z, B.z, 1e-4);
4 tests, 4 passed, 0 known failure, 0 skipped
[inst/@quaternion/times.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/times.m
***** test
 a = quaternion (1, 2, 0, 0);
 b = quaternion (1, 0, 2, 0);
 result = a .* b;
 expected = quaternion (1, 2, 2, 4);
 assert (result == expected);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/tril.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/tril.m
***** test
 ## Test tril with no offset (main diagonal)
 w = [1, 2, 3; 4, 5, 6; 7, 8, 9];
 x = [10, 11, 12; 13, 14, 15; 16, 17, 18];
 y = [19, 20, 21; 22, 23, 24; 25, 26, 27];
 z = [28, 29, 30; 31, 32, 33; 34, 35, 36];
 q = quaternion (w, x, y, z);
 result = tril (q);
 expected = quaternion (tril(w), tril(x), tril(y), tril(z));
 assert (result == expected);
***** test
 ## Test tril with positive offset
 w = [1, 2, 3; 4, 5, 6; 7, 8, 9];
 x = [10, 11, 12; 13, 14, 15; 16, 17, 18];
 y = [19, 20, 21; 22, 23, 24; 25, 26, 27];
 z = [28, 29, 30; 31, 32, 33; 34, 35, 36];
 q = quaternion (w, x, y, z);
 result = tril (q, 1);
 expected = quaternion (tril(w, 1), tril(x, 1), tril(y, 1), tril(z, 1));
 assert (result == expected);
2 tests, 2 passed, 0 known failure, 0 skipped
[inst/@quaternion/cumsum.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/cumsum.m
***** test
 ## Test cumsum along default dimension (columns)
 w = [1, 2; 3, 4];
 x = [5, 6; 7, 8];
 y = [9, 10; 11, 12];
 z = [13, 14; 15, 16];
 q = quaternion (w, x, y, z);
 result = cumsum (q);
 expected_w = cumsum (w);
 expected_x = cumsum (x);
 expected_y = cumsum (y);
 expected_z = cumsum (z);
 expected = quaternion (expected_w, expected_x, expected_y, expected_z);
 assert (result == expected);
***** test
 ## Test cumsum along dimension 2 (rows)
 w = [1, 2, 3; 4, 5, 6];
 x = [7, 8, 9; 10, 11, 12];
 y = [13, 14, 15; 16, 17, 18];
 z = [19, 20, 21; 22, 23, 24];
 q = quaternion (w, x, y, z);
 result = cumsum (q, 2);
 expected = quaternion (cumsum(w, 2), cumsum(x, 2), cumsum(y, 2), cumsum(z, 2));
 assert (result == expected);
2 tests, 2 passed, 0 known failure, 0 skipped
[inst/@quaternion/unit.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/unit.m
***** test
 q = quaternion (2, 3, 4, 5);
 result = unit (q);
 assert (abs (result), 1, eps);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/rows.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/rows.m
***** test
 w = ones (3, 4);
 q = quaternion (w, w, w, w);
 assert (rows (q), 3);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/cast.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/cast.m
***** test
 q = quaternion (1.0, 2.0, 3.0, 4.0);
 result = cast (q, "int32");
 assert (result.w, int32 (1));
 assert (result.x, int32 (2));
 assert (result.y, int32 (3));
 assert (result.z, int32 (4));
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/arg.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/arg.m
***** test
 q = quaternion (1, 0, 0, 0);
 result = arg (q);
 assert (result, 0, eps);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/plus.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/plus.m
***** shared A, B, C, D
 Aw = [2, 6; 10, 14];
 Ax = [3, 7; 11, 15];
 Ay = [4, 8; 12, 16];
 Az = [5, 9; 13, 17];
 A = quaternion (Aw, Ax, Ay, Az);

 Bw = [1, 2; 3, 4];
 Bx = [5, 6; 7, 8];
 By = [9, 10; 11, 12];
 Bz = [13, 14; 15, 16];
 B = quaternion (Bw, Bx, By, Bz);

 C = A + B;

 Dw = Aw + Bw;
 Dx = Ax + Bx;
 Dy = Ay + By;
 Dz = Az + Bz;
 D = quaternion (Dw, Dx, Dy, Dz);
***** assert (C == D);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/mpower.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/mpower.m
***** test
 q = quaternion (1, 1, 0, 0);
 result = q ^ 2;
 expected = quaternion (0, 2, 0, 0);
 assert (result.w, expected.w, 1e-10);
 assert (result.x, expected.x, 1e-10);
 assert (result.y, expected.y, 1e-10);
 assert (result.z, expected.z, 1e-10);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/lt.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/lt.m
***** test
 a = quaternion (2, 3, 4, 5);
 b = quaternion (2, -3, 4, 5);
 assert (a < b, false);
 assert (b < a, true);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/eq.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/eq.m
***** test
 a = quaternion (2, 3, 4, 5);
 b = quaternion (2, -3, 4, 5);
 assert (a == a, true);
 assert (a == b, false);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/columns.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/columns.m
***** test
 w = ones (3, 4);
 q = quaternion (w, w, w, w);
 assert (columns (q), 4);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/@quaternion/sum.m]
>>>>> /<<PKGBUILDDIR>>/inst/@quaternion/sum.m
***** test
 ## Test sum along default dimension (columns)
 w = [1, 2; 3, 4];
 x = [5, 6; 7, 8];
 y = [9, 10; 11, 12];
 z = [13, 14; 15, 16];
 q = quaternion (w, x, y, z);
 result = sum (q);
 expected = quaternion (sum(w), sum(x), sum(y), sum(z));
 assert (result == expected);
***** test
 ## Test sum along dimension 2 (rows)
 w = [1, 2, 3; 4, 5, 6];
 x = [7, 8, 9; 10, 11, 12];
 y = [13, 14, 15; 16, 17, 18];
 z = [19, 20, 21; 22, 23, 24];
 q = quaternion (w, x, y, z);
 result = sum (q, 2);
 expected = quaternion (sum(w, 2), sum(x, 2), sum(y, 2), sum(z, 2));
 assert (result == expected);
***** test
 ## Test sum of vector
 q = quaternion ([1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16]);
 result = sum (q);
 expected = quaternion (sum([1,2,3,4]), sum([5,6,7,8]), sum([9,10,11,12]), 
sum([13,14,15,16]));
 assert (result == expected);
3 tests, 3 passed, 0 known failure, 0 skipped
[inst/q2rot.m]
>>>>> /<<PKGBUILDDIR>>/inst/q2rot.m
***** test
 q = quaternion (2, 0, 0, 0);
 w = warning ("query", "q2rot:normalizing");
 warning ("off", w.identifier);
 [vv, th, qn] = q2rot (q);
 warning (w.identifier, w.state);
 assert (vv, [1; 0; 0], 1e-4);
 assert (th, 0, 1e-4);
 assert (qn == quaternion (1), true);
1 test, 1 passed, 0 known failure, 0 skipped
[inst/rot2q.m]
>>>>> /<<PKGBUILDDIR>>/inst/rot2q.m
***** shared ax, an
 q = rot2q ([1;0;0], -1.2*pi);
 [ax, an] = q2rot (q);
***** assert (abs (ax(1)), 1, 1e-4);
***** assert (an*ax(1), -1.2*pi, 1e-4);
2 tests, 2 passed, 0 known failure, 0 skipped
Checking C++ files ...
Done running the unit tests.
Summary: 121 tests, 121 passed, 0 known failures, 0 skipped
   dh_installdocs -O--buildsystem=octave
dh_installdocs: error: Cannot find (any matches for) 
"devel/pdfdoc/quaternion.pdf" (tried in ., debian/tmp)

make: *** [debian/rules:5: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess failed with exit 
status 2
--------------------------------------------------------------------------------

--- End Message ---
--- Begin Message ---
Version: 2.4.2-5

Le mercredi 18 février 2026 à 19:23 +0000, Santiago Vila a écrit :
> Package: src:octave-quaternion
> Version: 2.4.2-4
> Severity: serious
> Tags: ftbfs forky sid

> During a rebuild of all packages in unstable, this package failed to build.
> 
> Below you will find the last part of the build log (probably the most
> relevant part, but not necessarily). 
[…]
>    dh_installdocs -O--buildsystem=octave
> dh_installdocs: error: Cannot find (any matches for) 
> "devel/pdfdoc/quaternion.pdf" (tried in ., debian/tmp)

Fixed in the latest upload.

-- 
⢀⣴⠾⠻⢶⣦⠀  Sébastien Villemot
⣾⠁⢠⠒⠀⣿⡁  Debian Developer
⢿⡄⠘⠷⠚⠋⠀  https://sebastien.villemot.name
⠈⠳⣄⠀⠀⠀⠀  https://www.debian.org


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