155 FTBFS packages on s390x without patch
basilisk2_0.9.20240402+dfsg-1169d [B][L][T] 
eclipse-equinox_4.29-2169d [B][L][T] 
efivar_39-243d [B][L][T]#1105354 - efivar: FTBFS with make --shuffle=reverse: efisecdb: could not open "test.esl.sha256.unsorted.esl.result": No such file or directory
stress-ng_0.19.05-115h [B][L][T] 
dnsjit_1.5.0-2153d [B][L][T] 
pbbam_2.4.0+dfsg-1169d [B][L][T] 
python-skbio_0.6.3-129d [B][L][T] 
scaphandre_1.0.2-911d [B][L][T] 
thumbor_7.7.7-495d [B][L][T] 
weakforced_3.0.0-110d [B][L][T] 
armnn_23.08-5169d [B][L][T]#1114054 - armnn: FTBFS: /<>/profiling/common/include/Packet.hpp:29:20: error: expected ')' before 'header'
libcache-fastmmap-perl_1.60-110d [B][L][T] 
mlucas_20.1.1-1.3169d [B][L][T] 
pushpin_1.39.1-3169d [B][L][T]#1047541 - pushpin: Fails to build source after successful build
#1098294 - pushpin: FTBFS, multiple mismatches in Cargo.toml
trimesh_4.5.1-3169d [B][L][T]#1098270 - trimesh: Build fails on s390x due to math errors in autopkgtest
aseba_1.6.99+dfsg-9169d [B][L][T]#1074821 - aseba: ftbfs with GCC-14
#1112750 - aseba: FTBFS with CMake 4
gatk-fermilite_1.2.1+dfsg-2169d [B][L][T] 
golang-github-containers-luksy_0.0~git20240812.2e7307c+ds1-1168d [B][L][T] 
gtk4-layer-shell_1.2.0-26d [B][L][T] 
jeolib-jiplib_1.1.5+ds-1169d [B][L][T] 
lomiri-push-service_0.100.1-1149d [B][L][T] 
lua-system_0.6.3-120d [B][L][T] 
numba_0.61.2+dfsg-25d [B][L][T]#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.
rust-merlin_3.0.0-1416d [B][L][T] 
rust-random-trait_0.1.1-1169d [B][L][T] 
rust-serde-bser_0.4.0-1169d [B][L][T] 
snap-aligner_2.0.5+dfsg-126d [B][L][T] 
ataqv_1.3.1+ds-2169d [B][L][T] 
audacity_3.7.5+dfsg-23d [B][L][T]#1021152 - audacity: FTBFS on armel, s390x
bitstruct_8.20.0-280d [B][L][T]#1043976 - bitstruct: Fails to build source after successful build
cld2_0.0.0-git20150806-107d [B][L][T]#865162 - cld2 FTBFS on big endian: checking non-dynamic implementations of dynamic data methods FAIL
croaring_0.2.66+ds-2.1168d [B][L][T]#1112813 - croaring: FTBFS with CMake 4
ddnet_19.1-2168d [B][L][T] 
lepton-eda_1.9.18-3169d [B][L][T] 
libbgcode_0.0~git20250220.5041c09-1169d [B][L][T] 
libstreamvbyte_0.5.1-26d [B][L][T] 
lua-vips_1.1.12-2169d [B][L][T]#1073143 - lua-vips: Bus error in lua jit during tests
oarc-dsc_2.15.2-3153d [B][L][T] 
oggvideotools_0.9.1-7169d [B][L][T]#1113342 - oggvideotools: FTBFS with CMake 4
packetq_1.7.3+dfsg-6162d [B][L][T] 
python-ltfatpy_1.1.2-330d [B][L][T]#861095 - python-ltfatpy: FTBFS: ValueError: Little-endian buffer not supported
python-mapnik_1:0.0~20240222-5ab32f020-439d [B][L][T] 
python-pairix_0.3.8-1169d [B][L][T] 
repowerd_2025.09-118d [B][L][T] 
rocketcea_1.2.1-2169d [B][L][T] 
vg_1.59.0+ds-0.1169d [B][L][T]#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
watchman_4.9.0-98d [B][L][T] 
filament_1.9.25+dfsg3-327d [B][L][T]#1006837 - Segmentation fault in material compiler on mips64el
gatk-bwamem_1.0.4+dfsg2-3169d [B][L][T]#1096676 - gatk-bwamem: ftbfs with GCC-15
gimp_3.0.4-6.12d [B][L][T]#1044598 - gimp: Fails to build source after successful build
#1088168 - gimp 3 FTBFS on s390x
hotspot_1.3.0-2169d [B][L][T]#1112994 - hotspot: FTBFS with CMake 4
hsail-tools_0~20180830-1169d [B][L][T]#1101849 - hsail-tools: FTBFS: error: 'Dwarf_P_Die' does not name a type
#1112995 - hsail-tools: FTBFS with CMake 4
libldac_2.0.2.3+git20200429+ed310a0-5386d [B][L][T]#980372 - libldac: FTBFS on all big-endian architectures: #error unsupported byte order
lua-struct_0.3-1169d [B][L][T] 
mariadb-connector-python_1.1.13-123d [B][L][T] 
ndpi_4.2-2.1168d [B][L][T] 
oclgrind_21.10-4344d [B][L][T]#893016 - oclgrind FTBFS on big endian: test failures
#1113339 - oclgrind: FTBFS with CMake 4
python-dicompylercore_0.5.6-3169d [B][L][T] 
python-pysam_0.23.0+ds-1169d [B][L][T] 
smallerc_1.0.2+dfsg-1169d [B][L][T] 
yosys_0.52-2150d [B][L][T] 
c-blosc2_2.17.1+ds-214d [B][L][T] 
dosbox-x_2025.05.03+dfsg-440d [B][L][T]#1051753 - dosbox-x: FTBFS on big-endian architectures
hhsuite_3.3.0+ds-8168d [B][L][T]#1112991 - hhsuite: FTBFS with CMake 4
iem-plugin-suite_1.15.0-2169d [B][L][T]#1107569 - iem-plugin-suite: FTBFS on armhf, i386, ppc64el, s390x
ivar_1.4.4+dfsg-1169d [B][L][T]#1105421 - ivar: FTBFS with make --shuffle=reverse: dh_auto_test: error: make -j1 check "TESTSUITEFLAGS=-j1 --verbose" VERBOSE=1 returned exit code 2
libdng_0.2.1-282d [B][L][T] 
libgig_4.5.0-11d [B][L][T] 
nim_2.2.4-19d [B][L][T]#1047012 - nim: Fails to build source after successful build
openni_1.5.4.0+dfsg-8169d [B][L][T] 
pwru_1.0.5+ds1-1169d [B][L][T]#1115955 - pwru: FTBFS: src/github.com/cilium/pwru/main.go:110:16: opts.Programs.LogSize undefined
unifrac-tools_1.4-3168d [B][L][T]#1105659 - unifrac-tools: FTBFS with make --shuffle=reverse: ld: cannot find -lssu: No such file or directory
cpufetch_1.06-2169d [B][L][T] 
dnscap_2.4.1-252d [B][L][T] 
geary_46.0-819d [B][L][T] 
libengine-gost-openssl_3.0.2-1593d [B][L][T]#1054922 - libengine-gost-openssl: FTBFS on s390x
#1113146 - libengine-gost-openssl: FTBFS with CMake 4
#1115372 - libengine-gost-openssl: FTBFS: testm1.dat: No such file or directory
litecoin_0.21.4-19d [B][L][T]#1097305 - litecoin: ftbfs with GCC-15
openstructure_2.9.3-2156d [B][L][T]#976491 - openstructure: FTBFS on arm64: E: Build killed with signal TERM after 150 minutes of inactivity
papi_7.2.0-245d [B][L][T]#861765 - papi FTBFS on s390x: OVERFLOW_ADDRESS() and _papi_hwd_lock/unlock undefined!
rust-mach-o-sys_0.1.1-31334d [B][L][T]#953285 - rust-mach-o-sys fails on architectures with unsigned char
#976484 - rust-mach-o-sys: unsigned values cannot be negated
sedutil_1.20.0-2169d [B][L][T] 
sideretro_1.1.6-2169d [B][L][T] 
haskell-arithmoi_0.13.0.0-1168d [B][L][T] 
py-libzfs_0.0+git20240510.5ae7d5e-1319d [B][L][T]#1082340 - py-libzfs FTBFS with Python 3.13
rust-criterion-cycles-per-byte_0.6.1-1169d [B][L][T] 
rust-lv2-sys_2.0.0-1.1169d [B][L][T] 
sbcl_2:2.5.8-127d [B][L][T]#1049196 - sbcl: Fails to build source after successful build
#1069520 - sbcl: FTBFS on armhf: make[1]: *** [debian/rules:53: override_dh_auto_build] Error 1
#1102309 - sbcl: FTBFS: flaky tests
td_1.8.38~git20241021.d321984+dfsg-4169d [B][L][T]#1113563 - td: FTBFS with CMake 4
td1.8.11_1.8.11~git20230202.3179d35+dfsg-424d [B][L][T] 
tinydyndns_0.4.2.debian1-4273d [B][L][T]#1090038 - tinydyndns: FTBFS: Oops. Your getgroups() returned 0, and setgroups() failed
zycore-c_1.5.2-1169d [B][L][T] 
kcov_43+dfsg-220d [B][L][T] 
hmmer_3.4+dfsg-32d [B][L][T] 
paryfor_0.1-95d [B][L][T] 
pbcopper_2.3.0+dfsg-36d [B][L][T] 
ply-probe_2.4.0-1169d [B][L][T] 
pocl_6.0-726d [B][L][T]#1074261 - pocl: FTBFS on several arches due to failing tests
unicorn-engine_2.1.4-113d [B][L][T] 
webcamoid_9.3.0-148d [B][L][T]#1046833 - webcamoid: Fails to build source after successful build
aegisub_3.4.2+ds-110d [B][L][T]#1044117 - aegisub: Fails to build source after successful build
ares_134+dfsg-1169d [B][L][T]#1059554 - ares: FTBFS: "unknown arch, please specify manually"
bpftune_0.0~git20250723.5966387-123d [B][L][T] 
nvidia-texture-tools_2.0.8-1+dfsg-113d [B][L][T] 
rust-kvm-ioctls_0.19.1-1169d [B][L][T] 
drawterm-9front_0~git20220608.bee4db6-323d [B][L][T]#1096545 - drawterm-9front: ftbfs with GCC-15
mpqc_2.3.1-22306d [B][L][T]#1049570 - mpqc: Fails to build binary packages again after successful build
#1075293 - mpqc: ftbfs with GCC-14
cpptraj_5.1.0+dfsg-510d [B][L][T]#1035833 - cpptraj: FTBFS on \!amd64
#1091156 - cpptraj: FTBFS on arm64: make[2]: *** [Makefile:662: summary] Error 4
libmaus2_2.0.813+ds-4169d [B][L][T]#934619 - libmaus2 FTBFS (mostly 32bit): error: no matching function for call
#1069691 - libmaus2: FTBFS on arm64: what(): AutoArray failed to allocate 1398102 elements (11184816 bytes)
#1091144 - libmaus2: ftbfs on arm64 prevents building biobambam2
#1091568 - libmaus2: FTBFS on i386: ld: ./.libs/libmaus2.so: undefined reference to `libmaus2::posix::PosixFunctions::fstatSizeAndMode(int, long long&, unsigned char*)'
rust-hamming-rs_0.2.23-12d [B][L][T] 
abpoa_1.5.3-1168d [B][L][T] 
tinyarray_1.2.4-1169d [B][L][T]#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
giada_1.2.1-136d [B][L][T]#1112121 - giada_1.2.1-1_riscv64-buildd.changes REJECTED
bwa-mem2_2.2.1-1168d [B][L][T] 
rust-generator_0.7.1-1.1208d [B][L][T]#1003070 - rust-generator should not claim to build on "any" as upstream only supports amd64/arm64
cypari2_2.1.4-1354d [B][L][T]#1081687 - Times out building on arm64
endless-sky_0.10.14-173d [B][L][T]#1112871 - endless-sky: FTBFS with CMake 4
pyemd_0.5.1.54.g802fa86-2309d [B][L][T]#1080277 - FTBFS with setuptools >= 72: error: invalid command 'test'
haskell-hindent_5.3.4-1355d [B][L][T]#1053982 - haskell-hindent: Cannot update this package to newer version
rapmap_0.15.0+dfsg-4548d [B][L][T]#976588 - rapmap: FTBFS on arm64 (when trying to build arch:all)
#1097770 - rapmap: ftbfs with GCC-15
audiotools_3.1.1-1.1217d [B][L][T]#1080546 - Missing Build-Depends on python3-setuptools
#1098528 - audiotools: FTBFS: error: implicit declaration of function 'total_frame_sizes';
broker_1.4.0+ds1-1215d [B][L][T]#1037597 - broker: ftbfs with GCC-13
#1112758 - broker: FTBFS with CMake 4
ceph_18.2.7+ds-18d [B][L][T]#1092838 - ceph: FTBFS with fmtlib 11.1
#1096424 - ceph: ftbfs with GCC-15
#1112772 - ceph: FTBFS with CMake 4
cheesecutter_2.9+git20211011-327d [B][L][T]#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’
cpm_0.32-1.649d [B][L][T]#1106610 - cpm ftbfs with libxml 2.14.x from experimental
cython-legacy_0.29.37-2202d [B][L][T]#1078460 - cython-legacy: Keep out of testing
ecere-sdk_0.44.15-11468d [B][L][T]#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-5245d [B][L][T]#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_1.1.0-3273d [B][L][T]#1090229 - globjects: FTBFS: error: ‘gl::BufferAccessMask’ has not been declared
#1112960 - globjects: FTBFS with CMake 4
gnome-subtitles_1.8-1505d [B][L][T]#1069308 - FTBFS: tests failed
gnucap-python_0.0.2-1.2247d [B][L][T]#1067335 - gnucap-python: FTBFS: _gnucap_swig.cxx:4535:10: fatal error: numpy/arrayobject.h: No such file or directory
icewm_3.9.0-13d [B][L][T]#1116587 - icewm FTBFS: The following required packages were not found: xcursor
libvirt-php_0.5.8-744d [B][L][T]#1106642 - libvirt-php ftbfs with libxml 2.14.x from experimental
mia_2.4.7-13225d [B][L][T]#1075270 - mia: ftbfs with GCC-14
#1113285 - mia: FTBFS with CMake 4
mongrel2_1.12.2-3347d [B][L][T]#1075866 - mongrel2: FTBFS with MbedTLS 3.6
musescore2_2.3.2+dfsg4-1624d [B][L][T]#1113306 - musescore2: FTBFS with CMake 4
#1114631 - musecore2: FTBFS: /usr/bin/ld: cannot find -lporttime: No such file or directory
musescore3_3.2.3+dfsg2-1924d [B][L][T]#1113307 - musescore3: FTBFS with CMake 4
#1114632 - musecore3: FTBFS: collect2: error: ld returned 1 exit status
narcissus_1.0.7+ds-3166d [B][L][T]#1103295 - narcissus: binary-any FTBFS
obs-studio_30.2.3+dfsg-311d [B][L][T]#1097496 - obs-studio: ftbfs with GCC-15
#1115044 - obs-studio: FTBFS with ffmpeg 8.0
open-coarrays_2.10.2+ds-422d [B][L][T]#1097507 - open-coarrays: ftbfs with GCC-15
#1113349 - open-coarrays: FTBFS with CMake 4
pocketsphinx-python_1:0.1.15-7215d [B][L][T]#1088764 - pocketsphinx-python: autopkgtest failure with Python 3.13
prody_2.4.1+dfsg-2243d [B][L][T]#1071807 - prody: FTBFS: ModuleNotFoundError: No module named 'numpy.testing.decorators'
#1114707 - prody: FTBFS with NumPy 2.3
pygccjit_0.4-13319d [B][L][T]#1082097 - pygccjit FTBFS with Python 3.13
python-cogent_2024.5.7a1+dfsg-3169d [B][L][T]#1090269 - python-cogent: FTBFS: E ImportError: Numba could not be imported.
python-cramjam_2.7.0.1+ds1-2618d [B][L][T]#1061310 - python-cramjam FTBFS with pyo3 0.20
python-mbedtls_2.10.1-1320d [B][L][T]#1075872 - python-mbedtls: FTBFS with MbedTLS 3.6
ruby-gd_0.8.0-8232d [B][L][T]#1075461 - ruby-gd: ftbfs with GCC-14
ruby-mmap2_2.2.9-1232d [B][L][T]#1075466 - ruby-mmap2: ftbfs with GCC-14
s2geometry_0.10.0-6.1513d [B][L][T]#1059228 - build system hard-codes -std=c++11
segyio_1.8.3-1.2665d [B][L][T]#1055728 - segyio ftbfs with Python 3.12
#1113495 - segyio: FTBFS with CMake 4
siconos_4.4.0+dfsg-4247d [B][L][T]#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-4335d [B][L][T]#1079335 - synfig FTBFS with autoconf 2.72
tiledarray_1.0.0-123d [B][L][T]#1087560 - tiledarray: FTBFS: missing cstdint include
xemacs21_21.4.24-12259d [B][L][T]#1075659 - xemacs21: ftbfs with GCC-14
xpra_3.1.5+dfsg1-0.211d [B][L][T]#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]
silx_2.2.1+dfsg-426d [B][L][T]#1114379 - silx: FTBFS: dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p 3.13 returned exit code 13
7 FTBFS packages on s390x with a patch pending
cuneiform_1.1.0+dfsg-1321d [B][L][T]#1115251 - cuneiform: fix FTBFS on riscv64
diet-ng_1.8.1-3795d [B][L][T]#1019477 - diet-ng: FTBFS on riscv64 and s390x (unrecognized command line option ‘-main’)
epics-base_7.0.8.1+dfsg1-723d [B][L][T]#1079604 - epics-base:FTBFS:build failure (not support riscv64)
libapache2-mod-python_3.5.0.1-3267d [B][L][T]#1092440 - FTBFS with Python 3.13: error: implicit declaration of function '_PyImport_FixupExtensionObject'
libprelude_5.2.0-5.6250d [B][L][T]#1081473 - FTBFS with Python 3.13
libretro-desmume_0.9.11+git20160819+dfsg1-2168d [B][L][T]#955642 - libretro-desmume FTBFS for mipsen: missing #include for struct timeval
sks_1.1.6+git20210302.c3ba6d5a-4.1420d [B][L][T]#1073911 - FTBFS with OCaml 5.2.0 (Uses C functions without caml_ prefix)