Source: seqan3
Version: 3.4.0~rc.3+ds-3
Severity: serious
Justification: FTBFS
Tags: trixie sid ftbfs
User: lucas@debian.org
Usertags: ftbfs-20250414 ftbfs-trixie

Hi,

During a rebuild of all packages in testing (trixie), your package failed
to build on i386.


Relevant part (hopefully):

/usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/vendor"

-g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-size -Wnrvo -MD -
MT alignment/cigar_conversion/CMakeFiles/cigar_from_alignment_test.dir/cigar_from_alignment_test.cpp.o -MF alignment/cigar_conversion/CMakeFiles/cigar_from_alignment_test.dir/cigar_from_alignment_test.cpp.o.d -o alignment/cigar_conversion/CMakeFiles/
cigar_from_alignment_test.dir/cigar_from_alignment_test.cpp.o -c '/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/cigar_conversion/cigar_from_alignment_test.cpp'

In file included from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/cigar/exposition_only/cigar_operation.hpp:12,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/cigar/cigar.hpp:15,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alignment/cigar_conversion/cigar_from_alignment.hpp:14,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/cigar_conversion/cigar_from_alignment_test.cpp:7:
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp: In instantiation of ‘class seqan3::alphabet_base<seqan3::cigar, 0, void>’:
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:109:7: required from ‘class seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>’
109 | class alphabet_tuple_base :
| ^~~~~~~~~~~~~~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/cigar/cigar.hpp:56:22: required from here
56 | class cigar : public alphabet_tuple_base<cigar, uint32_t, exposition_only::cigar_operation>
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: error: static assertion failed: alphabet size must be >= 1
56 | static_assert(size != 0, "alphabet size must be >= 1"); // == 1 is handled below in separate specialisation
| ~~~~~^~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: note: the comparison reduces to ‘(0 != 0)’
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp: In instantiation of ‘class seqan3::alphabet_base<seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::component_

proxy<unsigned int, 0>, 0, char32_t>’:

/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/detail/alphabet_proxy.hpp:56:7: required from ‘class seqan3::alphabet_proxy<seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::

component_proxy<unsigned int, 0>, unsigned int>’

56 | class alphabet_proxy :
| ^~~~~~~~~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:669:62: required from ‘class seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::component_proxy<

unsigned int, 0>’

669 | class alphabet_tuple_base<derived_type, component_types...>::component_proxy :
| ^~~~~~~~~~~~~~~
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:354:48: required from ‘constexpr auto seqan3::get(alphabet_tuple_base<derived_type, component_types>&) [with unsigned int index = 0; derived_

type = cigar; component_types = {unsigned int, exposition_only::cigar_operation}]’

354 | return component_proxy<t, index>{val, l};
| ^ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/cigar/cigar.hpp:174:19: required from here
174 | get<0>(*this) = 0;
| ~~~~~~^~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: error: static assertion failed: alphabet size must be >= 1
56 | static_assert(size != 0, "alphabet size must be >= 1"); // == 1 is handled below in separate specialisation
| ~~~~~^~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: note: the comparison reduces to ‘(0 != 0)’
[5/628] /usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/

seqan3/vendor" -g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-
size -Wnrvo -MD -MT alignment/cigar_conversion/CMakeFiles/alignment_from_cigar_test.dir/alignment_from_cigar_test.cpp.o -MF alignment/cigar_conversion/CMakeFiles/alignment_from_cigar_test.dir/alignment_from_cigar_test.cpp.o.d -o alignment/cigar_
conversion/CMakeFiles/alignment_from_cigar_test.dir/alignment_from_cigar_test.cpp.o -c '/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/cigar_conversion/alignment_from_cigar_test.cpp'

FAILED: alignment/cigar_conversion/CMakeFiles/alignment_from_cigar_test.dir/alignment_from_cigar_test.cpp.o
/usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/vendor"

-g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-size -Wnrvo -MD -
MT alignment/cigar_conversion/CMakeFiles/alignment_from_cigar_test.dir/alignment_from_cigar_test.cpp.o -MF alignment/cigar_conversion/CMakeFiles/alignment_from_cigar_test.dir/alignment_from_cigar_test.cpp.o.d -o alignment/cigar_conversion/CMakeFiles/
alignment_from_cigar_test.dir/alignment_from_cigar_test.cpp.o -c '/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/cigar_conversion/alignment_from_cigar_test.cpp'

In file included from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_variant.hpp:21,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/gap/gapped.hpp:13,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alignment/aligned_sequence/aligned_sequence_concept.hpp:17,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alignment/cigar_conversion/alignment_from_cigar.hpp:14,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/cigar_conversion/alignment_from_cigar_test.cpp:7:
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp: In instantiation of ‘class seqan3::alphabet_base<seqan3::cigar, 0, void>’:
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:109:7: required from ‘class seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>’
109 | class alphabet_tuple_base :
| ^~~~~~~~~~~~~~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/cigar/cigar.hpp:56:22: required from here
56 | class cigar : public alphabet_tuple_base<cigar, uint32_t, exposition_only::cigar_operation>
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: error: static assertion failed: alphabet size must be >= 1
56 | static_assert(size != 0, "alphabet size must be >= 1"); // == 1 is handled below in separate specialisation
| ~~~~~^~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: note: the comparison reduces to ‘(0 != 0)’
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp: In instantiation of ‘class seqan3::alphabet_base<seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::component_

proxy<unsigned int, 0>, 0, char32_t>’:

/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/detail/alphabet_proxy.hpp:56:7: required from ‘class seqan3::alphabet_proxy<seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::

component_proxy<unsigned int, 0>, unsigned int>’

56 | class alphabet_proxy :
| ^~~~~~~~~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:669:62: required from ‘class seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::component_proxy<

unsigned int, 0>’

669 | class alphabet_tuple_base<derived_type, component_types...>::component_proxy :
| ^~~~~~~~~~~~~~~
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:354:48: required from ‘constexpr auto seqan3::get(alphabet_tuple_base<derived_type, component_types>&) [with unsigned int index = 0; derived_

type = cigar; component_types = {unsigned int, exposition_only::cigar_operation}]’

354 | return component_proxy<t, index>{val, l};
| ^ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/cigar/cigar.hpp:174:19: required from here
174 | get<0>(*this) = 0;
| ~~~~~~^~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: error: static assertion failed: alphabet size must be >= 1
56 | static_assert(size != 0, "alphabet size must be >= 1"); // == 1 is handled below in separate specialisation
| ~~~~~^~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: note: the comparison reduces to ‘(0 != 0)’
In file included from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/cigar/cigar.hpp:16,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alignment/cigar_conversion/alignment_from_cigar.hpp:16:
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp: In instantiation of ‘constexpr const std::array<std::array<unsigned int, 0>, 2> seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::

exposition_only::cigar_operation>::rank_to_component_rank’:

/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:579:20: required from ‘constexpr typename seqan3::alphabet_tuple_base<derived_type, component_types>::base_t::rank_type seqan3::alphabet_tuple_

base<derived_type, component_types>::to_component_rank() const [with unsigned int index = 0; derived_type = seqan3::cigar; component_types = {unsigned int, seqan3::exposition_only::cigar_operation}; typename base_t::rank_type = unsigned int; base_t =
seqan3::alphabet_base<seqan3::cigar, 0, void>]’

579 | return rank_to_component_rank[index][to_rank()];
| ^~~~~~~~~~~~~~~~~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:383:65: required from ‘auto seqan3::alignment_from_cigar(const std::vector<cigar>&, const reference_type&, uint32_t, const sequence_type&) [with

reference_type = std::vector<dna5>; sequence_type = std::vector<dna5>; uint32_t = unsigned int]’

383 | return seqan3::assign_rank_to(l.to_component_rank<index>(), t{});
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/cigar_conversion/alignment_from_cigar_test.cpp:84:5: required from here
84 | EXPECT_THROW(seqan3::alignment_from_cigar(empty_cigar, this->ref, 0, seq), std::logic_error);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alignment/cigar_conversion/alignment_from_cigar.hpp:95:16: in ‘constexpr’ expansion of ‘seqan3::get<0>(<structured bindings>.seqan3::cigar::seqan3::alphabet_tuple_base<seqan3::cigar,

unsigned int, seqan3::exposition_only::cigar_operation>)’

/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:649:59: error: initializer for ‘std::__array_traits<unsigned int, 0>::_Type’ must be brace-enclosed
649 | std::array<size_t, alphabet_size> alph_sizes{seqan3::alphabet_size<component_types>...};
| ^~~~~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alignment/cigar_conversion/alignment_from_cigar.hpp:95:16: in ‘constexpr’ expansion of ‘seqan3::get<0>(<structured bindings>.seqan3::cigar::seqan3::alphabet_tuple_base<seqan3::cigar,

unsigned int, seqan3::exposition_only::cigar_operation>)’

/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:657:18: error: ‘seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::<lambda()>’ called in a

constant expression

640 | []() constexpr
| ~~~~~~~~~~~~~~
641 | {
| ~
642 | std::array < std::array<rank_type,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
643 | alphabet_size<1024u ? alphabet_size : 0u>, // not for big alphs
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
644 | list_traits::size<component_list>>
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
645 | ret{};
| ~~~~~~
646 |
|
647 | if constexpr (alphabet_size < 1024u)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
648 | {
| ~
649 | std::array<size_t, alphabet_size> alph_sizes{seqan3::alphabet_size<component_types>...};
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
650 |
|
651 | for (size_t i = 0; i < list_traits::size<component_list>; ++i)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
652 | for (size_t j = 0; j < static_cast<size_t>(alphabet_size); ++j)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
653 | ret[i][j] = (j / cummulative_alph_sizes[i]) % alph_sizes[i];
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
654 | }
| ~
655 |
|
656 | return ret;
| ~~~~~~~~~~~
657 | }()};
| ~^~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:640:17: note: ‘seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::<lambda()>’ is not usable as

a ‘constexpr’ function because:

640 | []() constexpr
| ^
[6/628] /usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/

seqan3/vendor" -g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-
size -Wnrvo -MD -MT alignment/CMakeFiles/aligned_sequence_test.dir/aligned_sequence_test.cpp.o -MF alignment/CMakeFiles/aligned_sequence_test.dir/aligned_sequence_test.cpp.o.d -o alignment/CMakeFiles/aligned_sequence_test.dir/aligned_sequence_test.cpp.o -
c '/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/aligned_sequence_test.cpp'

FAILED: alignment/CMakeFiles/aligned_sequence_test.dir/aligned_sequence_test.cpp.o
/usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/vendor"

-g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-size -Wnrvo -MD -
MT alignment/CMakeFiles/aligned_sequence_test.dir/aligned_sequence_test.cpp.o -MF alignment/CMakeFiles/aligned_sequence_test.dir/aligned_sequence_test.cpp.o.d -o alignment/CMakeFiles/aligned_sequence_test.dir/aligned_sequence_test.cpp.o -c '/build/
reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/aligned_sequence_test.cpp'

In file included from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/nucleotide/nucleotide_base.hpp:12,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/nucleotide/dna4.hpp:14,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/nucleotide/rna4.hpp:14,
from /build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/aligned_sequence_test.cpp:7:
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp: In instantiation of ‘class seqan3::alphabet_base<seqan3::cigar, 0, void>’:
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:109:7: required from ‘class seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>’
109 | class alphabet_tuple_base :
| ^~~~~~~~~~~~~~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/cigar/cigar.hpp:56:22: required from here
56 | class cigar : public alphabet_tuple_base<cigar, uint32_t, exposition_only::cigar_operation>
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: error: static assertion failed: alphabet size must be >= 1
56 | static_assert(size != 0, "alphabet size must be >= 1"); // == 1 is handled below in separate specialisation
| ~~~~~^~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: note: the comparison reduces to ‘(0 != 0)’
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp: In instantiation of ‘class seqan3::alphabet_base<seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::component_

proxy<unsigned int, 0>, 0, char32_t>’:

/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/detail/alphabet_proxy.hpp:56:7: required from ‘class seqan3::alphabet_proxy<seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::

component_proxy<unsigned int, 0>, unsigned int>’

56 | class alphabet_proxy :
| ^~~~~~~~~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:669:62: required from ‘class seqan3::alphabet_tuple_base<seqan3::cigar, unsigned int, seqan3::exposition_only::cigar_operation>::component_proxy<

unsigned int, 0>’

669 | class alphabet_tuple_base<derived_type, component_types...>::component_proxy :
| ^~~~~~~~~~~~~~~
/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/composite/alphabet_tuple_base.hpp:354:48: required from ‘constexpr auto seqan3::get(alphabet_tuple_base<derived_type, component_types>&) [with unsigned int index = 0; derived_

type = cigar; component_types = {unsigned int, exposition_only::cigar_operation}]’

354 | return component_proxy<t, index>{val, l};
| ^ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/cigar/cigar.hpp:174:19: required from here
174 | get<0>(*this) = 0;
| ~~~~~~^~~~~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: error: static assertion failed: alphabet size must be >= 1
56 | static_assert(size != 0, "alphabet size must be >= 1"); // == 1 is handled below in separate specialisation
| ~~~~~^~~~ /build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/seqan3/alphabet/alphabet_base.hpp:56:24: note: the comparison reduces to ‘(0 != 0)’
[7/628] /usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/

seqan3/vendor" -g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-
size -Wnrvo -MD -MT alignment/configuration/CMakeFiles/align_config_gap_cost_affine_test.dir/align_config_gap_cost_affine_test.cpp.o -MF alignment/configuration/CMakeFiles/align_config_gap_cost_affine_test.dir/align_config_gap_cost_affine_test.cpp.o.d -o
alignment/configuration/CMakeFiles/align_config_gap_cost_affine_test.dir/align_config_gap_cost_affine_test.cpp.o -c '/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/configuration/align_config_gap_cost_affine_test.cpp'

[8/628] /usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/

seqan3/vendor" -g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-
size -Wnrvo -MD -MT alignment/configuration/CMakeFiles/align_config_output_test.dir/align_config_output_test.cpp.o -MF alignment/configuration/CMakeFiles/align_config_output_test.dir/align_config_output_test.cpp.o.d -o alignment/configuration/CMakeFiles/
align_config_output_test.dir/align_config_output_test.cpp.o -c '/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/configuration/align_config_output_test.cpp'

[9/628] /usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/

seqan3/vendor" -g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-
size -Wnrvo -MD -MT alignment/configuration/CMakeFiles/align_config_min_score_test.dir/align_config_min_score_test.cpp.o -MF alignment/configuration/CMakeFiles/align_config_min_score_test.dir/align_config_min_score_test.cpp.o.d -o alignment/configuration/
CMakeFiles/align_config_min_score_test.dir/align_config_min_score_test.cpp.o -c '/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/configuration/align_config_min_score_test.cpp'

[10/628] /usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/

seqan3/vendor" -g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-
size -Wnrvo -MD -MT alignment/aligned_sequence/CMakeFiles/debug_stream_alignment_test.dir/debug_stream_alignment_test.cpp.o -MF alignment/aligned_sequence/CMakeFiles/debug_stream_alignment_test.dir/debug_stream_alignment_test.cpp.o.d -o alignment/aligned_
sequence/CMakeFiles/debug_stream_alignment_test.dir/debug_stream_alignment_test.cpp.o -c '/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/aligned_sequence/debug_stream_alignment_test.cpp'

[11/628] /usr/bin/c++ -DSEQAN3_HAS_BZIP2=1 -DSEQAN3_HAS_ZLIB=1 -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/include" -I"/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include" -isystem "/build/reproducible-path/seqan3-3.4.0~rc.3+ds/include/

seqan3/vendor" -g -O2 -ffile-prefix-map=/build/reproducible-path/seqan3-3.4.0~rc.3+ds=. -fstack-protector-strong -Wformat -Werror=format-security -DNDEBUG -O3 -Wdate-time -D_FORTIFY_SOURCE=2 -std=c++23 -pedantic -Wall -Wextra -Werror -Wno-interference-
size -Wnrvo -MD -MT alignment/configuration/CMakeFiles/align_config_common_test.dir/align_config_common_test.cpp.o -MF alignment/configuration/CMakeFiles/align_config_common_test.dir/align_config_common_test.cpp.o.d -o alignment/configuration/CMakeFiles/
align_config_common_test.dir/align_config_common_test.cpp.o -c '/build/reproducible-path/seqan3-3.4.0~rc.3+ds/test/unit/alignment/configuration/align_config_common_test.cpp'

ninja: build stopped: subcommand failed.
dh_auto_build: error: cd build_unit && LC_ALL=C.UTF-8 ninja -j8 -v returned exit code 1
make[1]: *** [debian/rules:40: override_dh_auto_build] Error 25

The full build log is available from: http://qa-logs.debian.net/2025/04/14/seqan3_3.4.0~rc.3+ds-3_testing-i386.log

All bugs filed during this archive rebuild are listed at: https://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=ftbfs-20250414;users=lucas@debian.org
or: https://udd.debian.org/bugs/?release=na&merged=ign&fnewerval=7&flastmodval=7&fusertag=only&fusertagtag=ftbfs-20250414&fusertaguser=lucas@debian.org&allbugs=1&cseverity=1&ctags=1&caffected=1#results

A list of current common problems and possible solutions is available at http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

If you reassign this bug to another package, please mark it as 'affects'-ing this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with mine so that we can identify if something relevant changed in the meantime.

--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)