99 FTBFS packages on riscv64 without patch
d1x-rebirth_0.58.1-1.2639d [B][L][T]#1057551 - d1x-rebirth: FTBFS: TypeError: sequence index must be integer, not 'slice'
d2x-rebirth_0.58.1-1.3639d [B][L][T]#1057552 - d2x-rebirth: FTBFS: TypeError: sequence index must be integer, not 'slice'
lziprecover_1.25-3168d [B][L][T] 
python-ptrace_0.9.9-0.2168d [B][L][T]#1087588 - FTBFS on riscv64: OverflowError: Python int too large to convert to C long
vuls_0.6.1-5168d [B][L][T]#964548 - vuls: FTBFS: cannot find package "golang.org/x/oauth2"
#1013350 - Update vuls dependency to bbolt
xtrs_4.9d-2.1168d [B][L][T] 
delve_1.24.0-4168d [B][L][T] 
mes_0.27-1168d [B][L][T]#1067952 - mes: FTBFS on armhf
octave-level-set_0.3.1~git.2019.04.13-74d [B][L][T] 
octave-mapping_1.4.3-14d [B][L][T] 
opensnitch_1.6.9-399d [B][L][T]#1108846 - opensnitch: fix loongarch/riscv build
libapache-db-perl_0.18-2536d [B][L][T]#1040396 - libapache-db-perl: FTBFS with Perl 5.38: hidden symbol `Perl_init_debugger' isn't defined
libembperl-perl_2.5.0-17168d [B][L][T]#1042845 - libembperl-perl: FTBFS with Perl 5.38: test failures
mono_6.14.1+ds2-128d [B][L][T] 
parmed_4.3.0+dfsg-2168d [B][L][T]#1114706 - parmed: FTBFS with NumPy 2.3
pixmap_2.6.6-1592d [B][L][T]#1054698 - pixmap: FTBFS: ././Pixmap.c:1145:(.text+0xe631): undefined reference to `xpmReadRgbNames'
python-tornado_6.5.2-22d [B][L][T] 
rust-jemalloc-sys_0.3.2-2.1168d [B][L][T]#1018724 - rust-jemalloc-sys FTBFS on riscv64(gc)
sia_1.3.0-4168d [B][L][T] 
btas_1.0.0-1.118d [B][L][T] 
erlang-ranch_1.3.0-2763d [B][L][T]#980951 - erlang-ranch: FTBFS: ssl:cipher_suites/0 is deprecated
jeolib-jiplib_1.1.5+ds-1168d [B][L][T] 
valentina_1.0.0~dfsg-218d [B][L][T]#1087710 - valentina: failing autopkgtest
gitlab-ci-multi-runner_14.10.1-1168d [B][L][T]#1033480 - gitlab-ci-multi-runner: FTBFS on 32 bit archs: src/gitlab.com/gitlab-org/gitlab-runner/common/buildtest/masking.go:48:32: cannot use math.MaxInt64 (untyped int constant 9223372036854775807) as int value in argument to buf.Bytes (overflows)
#1080062 - gitlab-ci-multi-runner FTBFS: go install fails mysteriously
lua-vips_1.1.12-2168d [B][L][T]#1073143 - lua-vips: Bus error in lua jit during tests
vg_1.59.0+ds-0.1168d [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
flexpart_9.02-26168d [B][L][T]#1105361 - flexpart: FTBFS with make --shuffle=reverse: Fatal Error: Cannot open module file 'par_mod.mod' for reading at (1): No such file or directory
lua-struct_0.3-1168d [B][L][T] 
lomiri-location-service_3.3.0-2168d [B][L][T] 
pwru_1.0.5+ds1-1168d [B][L][T]#1115955 - pwru: FTBFS: src/github.com/cilium/pwru/main.go:110:16: opts.Programs.LogSize undefined
openstructure_2.9.3-299d [B][L][T]#976491 - openstructure: FTBFS on arm64: E: Build killed with signal TERM after 150 minutes of inactivity
plotsauce_0~0.1-128d [B][L][T]#1072135 - plotsauce: FTBFS: plotsauce.qbs:11:5 Dependency 'zlib' not found for product 'plotsauce'.
rust-mach-o-sys_0.1.1-3788d [B][L][T]#953285 - rust-mach-o-sys fails on architectures with unsigned char
#976484 - rust-mach-o-sys: unsigned values cannot be negated
golang-github-coreos-discovery-etcd-io_2.0.0+git2019.04.19.git.78fb45d3c9-4168d [B][L][T] 
py-libzfs_0.0+git20240510.5ae7d5e-1319d [B][L][T]#1082340 - py-libzfs FTBFS with Python 3.13
pyfftw_0.15.0-1.1168d [B][L][T]#917095 - python3-pyfftw: alignment tests fail on several arches
rust-criterion-cycles-per-byte_0.6.1-1168d [B][L][T] 
rust-lv2-sys_2.0.0-1.1168d [B][L][T] 
sphde_1.4.0-5.1168d [B][L][T]#1048093 - sphde: Fails to build source after successful build
tinydyndns_0.4.2.debian1-4273d [B][L][T]#1090038 - tinydyndns: FTBFS: Oops. Your getgroups() returned 0, and setgroups() failed
hmmer_3.4+dfsg-31d [B][L][T] 
pbcopper_2.3.0+dfsg-34d [B][L][T] 
pocl_6.0-718d [B][L][T]#1074261 - pocl: FTBFS on several arches due to failing tests
unicorn-engine_2.1.4-113d [B][L][T] 
aegisub_3.4.2+ds-19d [B][L][T]#1044117 - aegisub: Fails to build source after successful build
bpftune_0.0~git20250723.5966387-120d [B][L][T] 
nvidia-texture-tools_2.0.8-1+dfsg-111d [B][L][T] 
telegram-desktop_4.14.9+ds-1.124d [B][L][T]#1091237 - telegram-desktop: FTBFS on armhf: make[1]: *** [debian/rules:99: execute_before_dh_strip] Error 1
#1114647 - telegram: FTBFS: many undefined references
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
openmw_0.48.0-1314d [B][L][T]#1072443 - openmw: FTBFS with ffmpeg 7.0: videostate.cpp:730:44: error: invalid conversion from ‘int (*)(void*, uint8_t*, int)’ {aka ‘int (*)(void*, unsigned char*, int)’} to ‘int (*)(void*, const uint8_t*, int)’ {aka ‘int (*)(void*, const unsigned char*, int)’} [-fpermissive]
#1075344 - openmw: ftbfs with GCC-14
#1113361 - openmw: FTBFS with CMake 4
cpptraj_5.1.0+dfsg-59d [B][L][T]#1035833 - cpptraj: FTBFS on \!amd64
#1091156 - cpptraj: FTBFS on arm64: make[2]: *** [Makefile:662: summary] Error 4
rust-hamming-rs_0.2.23-11d [B][L][T] 
abpoa_1.5.3-1168d [B][L][T] 
tinyarray_1.2.4-1254d [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_1.2.1-135d [B][L][T]#1112121 - giada_1.2.1-1_riscv64-buildd.changes REJECTED
bwa-mem2_2.2.1-1167d [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_0.10.14-172d [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'
denemo_2.6.39-0.324d [B][L][T]#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_5.3.4-1355d [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-17d [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_0.32-1.648d [B][L][T]#1106610 - cpm ftbfs with libxml 2.14.x from experimental
cython-legacy_0.29.37-2320d [B][L][T]#1078460 - cython-legacy: Keep out of testing
ecere-sdk_0.44.15-1796d [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-5244d [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_0.0.2-1.2246d [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_2.4.7-13224d [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-310d [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_0.8.0-8231d [B][L][T]#1075461 - ruby-gd: ftbfs with GCC-14
ruby-mmap2_2.2.9-1231d [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_1.8.3-1.2625d [B][L][T]#1055728 - segyio ftbfs with Python 3.12
#1113495 - segyio: FTBFS with CMake 4
siconos_4.4.0+dfsg-4246d [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_1.0.0-122d [B][L][T]#1087560 - tiledarray: FTBFS: missing cstdint include
xemacs21_21.4.24-12258d [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
11 FTBFS packages on riscv64 with a patch pending
cuneiform_1.1.0+dfsg-1315d [B][L][T]#1115251 - cuneiform: fix FTBFS on riscv64
epics-base_7.0.8.1+dfsg1-7270d [B][L][T]#1079604 - epics-base:FTBFS:build failure (not support riscv64)
haskell-charsetdetect-ae_1.1.0.4-7.1147d [B][L][T]#1104895 - haskell-charsetdetect-ae: please add build support for riscv64
kexec-tools_1:2.0.31-120d [B][L][T]#1019254 - kexec-tools: FTBFS on 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
llvmlite_0.44.0-118d [B][L][T]#1071569 - llvmlite:FTBFS:compile failed(test: plugin distutils failed with: exit code=134)
mayo_0.9.0+ds-2167d [B][L][T]#1104187 - mayo:FTBFS:build failed(error: #error Unknown platform)
medialibrary_0.12.3-1794d [B][L][T]#1042710 - medialibrary FTBFS with gcc 13
scrollz_2.2.3-2559d [B][L][T]#1066483 - scrollz: FTBFS: configure: error: Fatal: You must get working getaddrinfo() function.
sks_1.1.6+git20210302.c3ba6d5a-4.1419d [B][L][T]#1073911 - FTBFS with OCaml 5.2.0 (Uses C functions without caml_ prefix)