94 FTBFS packages on ppc64el without patch
arb_6.0.6-8#1114476 - arb: FTBFS: CAP2.c:317:14: error: too many arguments to function 'ckopen'; expected 0, have 2
libzen_0.4.41-3 
silx_2.2.1+dfsg-5 
delve_1.24.0-4 
python-cython-blis_1.0.0-2#1097676 - python-cython-blis: ftbfs with GCC-15
vips_8.16.1-2 
dcontainers_0.9.0-2 
desmume_0.9.13-4 
ensmallen_3.10.0-1 
aseba_1.6.99+dfsg-9#1074821 - aseba: ftbfs with GCC-14
#1112750 - aseba: FTBFS with CMake 4
bootterm_0.5-1 
btas_1.0.0-1.1 
libcaes_0~20240413-1 
numba_0.61.2+dfsg-2#1077047 - numba: FTBFS when running tests: Fatal Python error: Segmentation fault [arm64, mips64el]
#1108051 - numba: FTBFS: The keyword argument 'parallel=True' was specified but no transformation for parallel execution was possible.
#1119030 - numba: needs update for Python 3.14
osmocom-analog_0.0~git20250208.4ebf64f-1 
gvars3_0.0~git20220105194034.62f5a78-4.1#1044885 - gvars3: Fails to build source after successful build
rust-probe_0.5.1-1 
vg_1.59.0+ds-0.1#976511 - vg: FTBFS on arm64: configure: error: Could not find a version of the library!
#1089275 - vg: FTBFS with make 4.4.1
#1113618 - vg: FTBFS with CMake 4
lua-struct_0.3-2 
micropython_1.26.1+ds-1 
ivar_1.4.4+dfsg-1#1105421 - ivar: FTBFS with make --shuffle=reverse: dh_auto_test: error: make -j1 check "TESTSUITEFLAGS=-j1 --verbose" VERBOSE=1 returned exit code 2
lomiri-location-service_3.3.0-2 
pwru_1.0.5+ds1-2 
rapmap_0.15.0+dfsg-5#976588 - rapmap: FTBFS on arm64 (when trying to build arch:all)
vim_2:9.1.1846-1#1085065 - vim: FTBFS: failing tests
badger_4.8.0-2#1078496 - badger: FTBFS on ppc64el: --- FAIL: TestTableBigValues (0.81s)
paraview_5.13.2+dfsg-3#1113390 - paraview: FTBFS with CMake 4
#1114253 - paraview: FTBFS: /<>/VTK/ThirdParty/vtkm/vtkvtkm/vtk-m/vtkm/filter/scalar_topology/worklet/contourtree_distributed/HierarchicalContourTree.h:666:33: error: 'const class vtkm::worklet::contourtree_distributed::HierarchicalContourTree' has no member named 'whichRound'; did you mean 'WhichRound'? [-Wtemplate-body]
rust-mach-o-sys_0.1.1-3#953285 - rust-mach-o-sys fails on architectures with unsigned char
#976484 - rust-mach-o-sys: unsigned values cannot be negated
openstructure_2.11.1-1#976491 - openstructure: FTBFS on arm64: E: Build killed with signal TERM after 150 minutes of inactivity
py-libzfs_0.0+git20240510.5ae7d5e-1#1082340 - py-libzfs FTBFS with Python 3.13
pymatgen_2025.10.7+dfsg1-1#1118027 - pymatgen: test_packmol test_atoms_constraints fails on various architectures
rust-criterion-cycles-per-byte_0.6.1-1 
rust-lv2-sys_2.0.0-1.1 
tinydyndns_0.4.2.debian1-4#1090038 - tinydyndns: FTBFS: Oops. Your getgroups() returned 0, and setgroups() failed
librtpi_1.0.0-3 
webcamoid_9.3.0-1#1046833 - webcamoid: Fails to build source after successful build
hmmer_3.4+dfsg-3 
paryfor_0.1-9 
ply-probe_2.4.0-1 
pocl_6.0-7#1074261 - pocl: FTBFS on several arches due to failing tests
aegisub_3.4.2+ds-1#1044117 - aegisub: Fails to build source after successful build
bpftune_0.0~git20250723.5966387-1 
rust-hexyl_0.16.0-1 
rust-kvm-ioctls_0.21.0-1 
telegram-desktop_4.14.9+ds-1.1#1091237 - telegram-desktop: FTBFS on armhf: make[1]: *** [debian/rules:99: execute_before_dh_strip] Error 1
drawterm-9front_0~git20220608.bee4db6-3#1096545 - drawterm-9front: ftbfs with GCC-15
mpqc_2.3.1-22#1049570 - mpqc: Fails to build binary packages again after successful build
#1075293 - mpqc: ftbfs with GCC-14
rust-landlock_0.4.3-1 
cpptraj_5.1.0+dfsg-5#1035833 - cpptraj: FTBFS on \!amd64
#1091156 - cpptraj: FTBFS on arm64: make[2]: *** [Makefile:662: summary] Error 4
rust-hamming-rs_0.2.23-1 
gforth_0.7.3+dfsg-9#1067376 - gforth: FTBFS: make[1]: *** [Makefile:655: build-libcc-named] Error 1
tinyarray_1.2.4-1#976514 - tinyarray: FTBFS: dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p "3.8 3.9" --test-pytest --test-args=../../../test_tinyarray.py returned exit code 13
#1017051 - tinyarray: FTBFS on i386
bwa-mem2_2.2.1-1 
rust-generator_0.7.1-1.1#1003070 - rust-generator should not claim to build on "any" as upstream only supports amd64/arm64
cypari2_2.1.4-1#1081687 - Times out building on arm64
endless-sky_0.10.14-1#1112871 - endless-sky: FTBFS with CMake 4
pyemd_0.5.1.54.g802fa86-2#1080277 - FTBFS with setuptools >= 72: error: invalid command 'test'
armci-mpi_0.4-7 
denemo_2.6.39-0.3#1106646 - Data Loss on load with libxml v1.3+
#1115689 - denemo: FTBFS: source/proof.c:282:28: error: conflicting types for ‘ev_document_annotations_get_annotations’; have ‘EvMappingList *(void)’ {aka ‘struct _EvMappingList *(void)’}
haskell-hindent_5.3.4-1#1053982 - haskell-hindent: Cannot update this package to newer version
audiotools_3.1.1-1.1#1080546 - Missing Build-Depends on python3-setuptools
#1098528 - audiotools: FTBFS: error: implicit declaration of function 'total_frame_sizes';
broker_1.4.0+ds1-1#1037597 - broker: ftbfs with GCC-13
#1112758 - broker: FTBFS with CMake 4
camitk_5.2.0-5#1117520 - camitk: FTBFS with VTK 9.5
ceph_18.2.7+ds-1#1092838 - ceph: FTBFS with fmtlib 11.1
#1096424 - ceph: ftbfs with GCC-15
#1112772 - ceph: FTBFS with CMake 4
cheesecutter_2.9+git20211011-3#1096432 - cheesecutter: ftbfs with GCC-15
#1105302 - cheesecutter: FTBFS with make --shuffle=reverse: base.d:1244:44: error: file ‘"player.bin"’ cannot be found or not in a path specified with ‘-J’
ckermit_416~beta12-2 
cpm_0.32-1.6#1106610 - cpm ftbfs with libxml 2.14.x from experimental
cython-legacy_0.29.37-2#1078460 - cython-legacy: Keep out of testing
ecere-sdk_0.44.15-1#898832 - ecere-sdk: FTBFS on i386: /usr/lib/gcc/i686-linux-gnu/7/include/stddef.h:435:78: error: syntax error
#995050 - ecere-sdk FTBFS with gcc 10
frama-c_20220511-manganese-5#1044539 - frama-c: Fails to build source after successful build
#1093102 - frama-c: FTBFS with OCaml 5.3.0 (syntax error due to new "effect" keyword)
globjects_1.1.0-3#1090229 - globjects: FTBFS: error: ‘gl::BufferAccessMask’ has not been declared
#1112960 - globjects: FTBFS with CMake 4
gnucap-python_0.0.2-1.2#1067335 - gnucap-python: FTBFS: _gnucap_swig.cxx:4535:10: fatal error: numpy/arrayobject.h: No such file or directory
icewm_3.9.0-1#1116587 - icewm FTBFS: The following required packages were not found: xcursor
librtr_0.8.0-1.1 
libvirt-php_0.5.8-7#1106642 - libvirt-php ftbfs with libxml 2.14.x from experimental
mongrel2_1.12.2-3#1075866 - mongrel2: FTBFS with MbedTLS 3.6
narcissus_1.0.7+ds-3#1103295 - narcissus: binary-any FTBFS
open-coarrays_2.10.2+ds-4#1097507 - open-coarrays: ftbfs with GCC-15
#1113349 - open-coarrays: FTBFS with CMake 4
pay-respects_0.7.8-1#1117914 - pay-respects: FTBFS: error: failed to select a version for the requirement `colored = "^2"`
pocketsphinx-python_1:0.1.15-7#1088764 - pocketsphinx-python: autopkgtest failure with Python 3.13
prody_2.4.1+dfsg-2#1071807 - prody: FTBFS: ModuleNotFoundError: No module named 'numpy.testing.decorators'
#1114707 - prody: FTBFS with NumPy 2.3
pygccjit_0.4-13#1082097 - pygccjit FTBFS with Python 3.13
python-cogent_2024.5.7a1+dfsg-3#1090269 - python-cogent: FTBFS: E ImportError: Numba could not be imported.
python-cramjam_2.7.0.1+ds1-2#1061310 - python-cramjam FTBFS with pyo3 0.20
python-mbedtls_2.10.1-1#1075872 - python-mbedtls: FTBFS with MbedTLS 3.6
ruby-gd_0.8.0-8#1075461 - ruby-gd: ftbfs with GCC-14
ruby-mmap2_2.2.9-1#1075466 - ruby-mmap2: ftbfs with GCC-14
s2geometry_0.10.0-6.1#1059228 - build system hard-codes -std=c++11
segyio_1.8.3-1.2#1055728 - segyio ftbfs with Python 3.12
#1113495 - segyio: FTBFS with CMake 4
siconos_4.4.0+dfsg-4#1020544 - siconos: FTBFS on s390x: Cholesky solve kNM_test failed
#1046177 - siconos: Fails to build source after successful build
#1066316 - siconos: FTBFS: lcp_nsqp.c:139:3: error: implicit declaration of function ‘numerics_error’; did you mean ‘numerics_EXPORTS’? [-Werror=implicit-function-declaration]
#1113500 - siconos: FTBFS with CMake 4
synfig_1.5.1+dfsg-4#1079335 - synfig FTBFS with autoconf 2.72
tiledarray_1.0.0-1#1087560 - tiledarray: FTBFS: missing cstdint include
xemacs21_21.4.24-12#1075659 - xemacs21: ftbfs with GCC-14
xpra_3.1.5+dfsg1-0.2#1067627 - FTBFS: error: comparison of integer expressions of different signedness: ‘long unsigned int’ and ‘long int’
#1072463 - xpra: FTBFS with ffmpeg 7.0: xpra/codecs/enc_ffmpeg/encoder.c:11208:115: error: passing argument 6 of ‘avio_alloc_context’ from incompatible pointer type [-Werror=incompatible-pointer-types]
9 FTBFS packages on ppc64el with a patch pending
diet-ng_1.8.1-3#1019477 - diet-ng: FTBFS on riscv64 and s390x (unrecognized command line option ‘-main’)
emacs_1:30.1+1-9#1000744 - emacs: FTBFS on mipsel: Ran 3873 tests, 3786 results as expected, 1 unexpected, 86 skipped
epics-base_7.0.8.1+dfsg1-8#1079604 - epics-base:FTBFS:build failure (not support riscv64)
isospec_2.2.3+cleaned1-1#1118661 - isospec: FTBFS on ppc64el and riscv64
libapache2-mod-python_3.5.0.1-3#1092440 - FTBFS with Python 3.13: error: implicit declaration of function '_PyImport_FixupExtensionObject'
libbinio_1.5+dfsg-2#1117545 - libbinio_1.5+dfsg-2: FTBFS with error: some symbols or patterns disappeared in the symbols file
#1117651 - libbinio_1.5+dfsg-2: FTBFS with error: some symbols or patterns disappeared in the symbols file
libprelude_5.2.0-5.6#1081473 - FTBFS with Python 3.13
mlton_20210117+dfsg-3#1061135 - mlton: Add support for loongarch64
sks_1.1.6+git20210302.c3ba6d5a-4.1#1073911 - FTBFS with OCaml 5.2.0 (Uses C functions without caml_ prefix)