103 FTBFS packages on riscv64 without patch
delve_1.26.1-122d [B][L][T] 
lziprecover_1.26-161d [B][L][T] 
octave-level-set_0.3.1~git.2019.04.13-846d [B][L][T] 
python-ptrace_0.9.9-0.3110d [B][L][T]#1087588 - python-ptrace: FTBFS on riscv64: OverflowError: Python int too large to convert to C long
xtrs_4.9d-366d [B][L][T] 
octave-mapping_1.4.3-2186d [B][L][T] 
opensnitch_1.6.9-3301d [B][L][T]#1108846 - opensnitch: fix loongarch/riscv build
#1131582 - opensnitch: FTBFS: /lib/modules/6.19.8+deb14-amd64/source/include/linux/ns_common.h:25:23: error: no member named 'ns_id' in 'struct ns_common'
sia_1.3.0-4370d [B][L][T] 
tiny_0.13.0-125d [B][L][T] 
udev-hid-bpf_2.1.0.20240704.170.g481dd20-164d [B][L][T] 
gtk4-layer-shell_1.3.0-110h [B][L][T] 
parmed_4.3.1+dfsg-192d [B][L][T] 
rust-jemalloc-sys_0.3.2-2.1370d [B][L][T]#1018724 - rust-jemalloc-sys FTBFS on riscv64(gc)
armnn_23.08-5193d [B][L][T]#1114054 - armnn: FTBFS: /<>/profiling/common/include/Packet.hpp:29:20: error: expected ')' before 'header'
btas_1.0.0-1.1106d [B][L][T] 
erlang-ranch_1.3.0-2965d [B][L][T]#980951 - erlang-ranch: FTBFS: ssl:cipher_suites/0 is deprecated
libapache-db-perl_0.18-2739d [B][L][T]#1040396 - libapache-db-perl: FTBFS with Perl 5.38: hidden symbol `Perl_init_debugger' isn't defined
libembperl-perl_2.5.0-17370d [B][L][T]#1042845 - libembperl-perl: FTBFS with Perl 5.38: test failures
numba_0.63.1+dfsg-234d [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.
ovito_3.15.2~ds-112d [B][L][T] 
python-pkcs11_0.9.4-115h [B][L][T] 
vg_1.59.0+ds-0.1370d [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
lua-struct_0.3-2190d [B][L][T] 
lua-vips_1.1.12-2370d [B][L][T]#1073143 - lua-vips: Bus error in lua jit during tests
openjdk-21_21.0.11~9ea-25d [B][L][T]#1098957 - openjdk-21: Building openjdk on high memory systems fails with java.lang.OutOfMemoryError: Java heap space
openjdk-25_25.0.3~8ea-25d [B][L][T] 
openjdk-26_26+35-35d [B][L][T] 
pwru_1.0.5+ds1-331d [B][L][T] 
zsv_1.3.0-442d [B][L][T] 
ldc_1:1.41.0-1131d [B][L][T]#1010421 - gir-to-d: FTBFS with ldc 1.29
#1011739 - gir-to-d: FTBFS: LinkedHasMap.d:27: undefined reference to `_D6object__T8opEqualsTxC3gtd11GirFunctionQnTxQwZQBkFxQBexQBiZb'
#1016433 - FTBFS: undefined reference during linking
#1122608 - ldc ftbfs with LLVM 21
lomiri-location-service_3.4.1-21d [B][L][T] 
mozc_2.29.5160.102+dfsg-1.51d [B][L][T]#1134485 - mozc: FTBFS with abseil 20260107
r-cran-regsem_1.9.5+dfsg-239d [B][L][T] 
rapmap_0.15.0+dfsg-5194d [B][L][T]#976588 - rapmap: FTBFS on arm64 (when trying to build arch:all)
rust-criterion-cycles-per-byte_0.6.1-1370d [B][L][T] 
rust-mach-o-sys_0.1.1-3990d [B][L][T]#953285 - rust-mach-o-sys fails on architectures with unsigned char
#976484 - rust-mach-o-sys: unsigned values cannot be negated
bitwuzla_0.8.2-249d [B][L][T] 
bpfilter_0.5.2-178d [B][L][T] 
bpftune_0.0~git20251206.4bcc284-1122d [B][L][T] 
golang-github-coreos-discovery-etcd-io_2.0.0+git2019.04.19.git.78fb45d3c9-4370d [B][L][T] 
openmha_4.18.0-12d [B][L][T] 
plotsauce_0~0.1-1230d [B][L][T]#1072135 - plotsauce: FTBFS: plotsauce.qbs:11:5 Dependency 'zlib' not found for product 'plotsauce'.
pyfftw_0.15.0-1.1370d [B][L][T]#917095 - python3-pyfftw: alignment tests fail on several arches
rsyslog_8.2602.0-126d [B][L][T] 
rust-lv2-sys_2.0.0-1.1370d [B][L][T] 
rust-subversion_0.1.0-133d [B][L][T]#1103725 - rust-subversion: FTBFS on many archs: expected raw pointer *const u8, found *const i8
hmmer_3.4+dfsg-3203d [B][L][T] 
pocl_6.0-7220d [B][L][T]#1074261 - pocl: FTBFS on several arches due to failing tests
vimix_0.9.0+git20260228+ds-1.129d [B][L][T] 
sphde_1.4.0-5.1370d [B][L][T]#1048093 - sphde: Fails to build source after successful build
#1125773 - sphde: FTBFS on arm64: TERM after 150 minutes of inactivity
iisignature_0.23+git20260216.b56bc38+ds-16d [B][L][T] 
cpptraj_5.1.0+dfsg-5212d [B][L][T]#1035833 - cpptraj: FTBFS on \!amd64
#1091156 - cpptraj: FTBFS on arm64: make[2]: *** [Makefile:662: summary] Error 4
mpqc_2.3.1-22508d [B][L][T]#1049570 - mpqc: Fails to build binary packages again after successful build
#1075293 - mpqc: ftbfs with GCC-14
abpoa_1.5.6-155d [B][L][T] 
kallisto_0.51.1+dfsg-156d [B][L][T]#1118526 - tests: kallistro: corrupted size vs. prev_size
tinyarray_1.2.5-1118d [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
guile-2.2_2.2.7+1-991d [B][L][T]#1102305 - guile-2.2: FTBFS: flaky tests
#1105419 - guile-2.2: FTBFS with make --shuffle=reverse: make[1]: *** [debian/rules:259: override_dh_install-arch] Error 1 shuffle=reverse
openstructure_2.11.1-222d [B][L][T]#976491 - openstructure: FTBFS on arm64: E: Build killed with signal TERM after 150 minutes of inactivity
#1129279 - openstructure: FTBFS with Python 3.14: tests segfault
bwa-mem2_2.3+ds-154d [B][L][T] 
drawterm_20240821-0.141d [B][L][T]#1126330 - drawterm: FTBFS on non x86: (cd posix-$arch && make) - "can't cd to posix-..."
pyemd_0.5.1.54.g802fa86-2511d [B][L][T]#1080277 - FTBFS with setuptools >= 72: error: invalid command 'test'
rust-generator_0.7.1-1.1410d [B][L][T]#1003070 - rust-generator should not claim to build on "any" as upstream only supports amd64/arm64
thin-provisioning-tools_1.1.0-55d [B][L][T]#1134124 - thin-provisioning-tools FTBFS with roaring 0.11
cypari2_2.1.4-1556d [B][L][T]#1081687 - Times out building on arm64
gpsshogi_0.7.0-3.346d [B][L][T]#1110591 - gpsshogi ftbfs with boost1.88
#1128157 - gpsshogi: FTBFS with boost 1.90
llvm-toolchain-14_1:14.0.6-20115d [B][L][T]#1068840 - llvm-toolchain-14: FTBFS on mips64el: /<>/compiler-rt/lib/builtins/clear_cache.c:97:3: error: implicit declaration of function 'syscall' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
#1076412 - FTBFS with OCaml 5.2.0 (Uses C functions without caml_ prefix)
#1113234 - llvm-toolchain-14: FTBFS with CMake 4
ecere-sdk_0.44.15-1998d [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
gpyfft_0.7.1-3136d [B][L][T]#1120241 - gpyfft: FTBFS: AttributeError: module 'gpyfft.gpyfftlib' has no attribute 'CLFFT_DOUBLE'
pymatgen_2025.10.7+dfsg1-1127d [B][L][T]#1045877 - pymatgen: Fails to build source after successful build
#1118027 - pymatgen: test_packmol test_atoms_constraints fails on various architectures
pyqt-qwt_1.02.02-318d [B][L][T] 
python-cogent_2024.5.7a1+dfsg-3371d [B][L][T]#1090269 - python-cogent: FTBFS: E ImportError: Numba could not be imported.
xemacs21_21.4.24-12460d [B][L][T]#1075659 - xemacs21: ftbfs with GCC-14
aj-snapshot_0.9.9-437d [B][L][T]#1093685 - aj-snapshot: FTBFS with mxml 4.0.3
anytun_0.3.8-1.147d [B][L][T]#1127165 - anytun: libboost-system-dev package is obsolete with boost 1.89 and newer
ball_1.5.0+git20220524.d85d2dd-247d [B][L][T]#1120734 - ball should build depend on libqt5opengl5-desktop-dev instead of libqt5opengl5-dev
#1129810 - ball: FTBFS with boost 1.90
broker_1.4.0+ds1-1417d [B][L][T]#1037597 - broker: ftbfs with GCC-13
#1112758 - broker: FTBFS with CMake 4
code-saturne_6.0.2-2173d [B][L][T]#1078336 - code-saturne: FTBFS with GCC 14: error: assignment to 'const cs_real_t *' {aka 'const double *'} from incompatible pointer type 'float *'
cpm_0.32-1.6156d [B][L][T]#1106610 - cpm ftbfs with libxml 2.14.x from experimental
elpi_2.0.7-314d [B][L][T]#1131646 - elpi: FTBFS: Error: The value valid_category has type (string -> [> `Error of string | `Ok of string ]) * string printer but an expression was expected of type 'a conv
frama-c_20220511-manganese-5115d [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)
gnucap-python_0.0.2-1.2448d [B][L][T]#1067335 - gnucap-python: FTBFS: _gnucap_swig.cxx:4535:10: fatal error: numpy/arrayobject.h: No such file or directory
libhdate_1.6.02-2.195d [B][L][T]#1045497 - libhdate: Fails to build source after successful build
#1102875 - libhdate: add perl-xs-dev to Build-Depends
libomemo_0.8.1-337d [B][L][T]#1131332 - libomemo: FTBFS with mxml 4
liboping_1.10.0-57d [B][L][T]#1102879 - liboping: add perl-xs-dev to Build-Depends
libpwiz_3.0.18342-4.247d [B][L][T]#1110624 - libpwiz ftbfs with boost 1.88
#1127228 - libpwiz: libboost-system-dev package is obsolete with boost 1.89 and newer
libvirt-php_0.5.8-7246d [B][L][T]#1106642 - libvirt-php ftbfs with libxml 2.14.x from experimental
linphone_5.3.105-617h [B][L][T]#1119745 - linphone: FTBFS: /<>/src/db/main-db.cpp:1530:58: error: use of deleted function 'soci::details::use_container soci::use(T&&, const std::string&) [with T = long long int; std::string = std::__cxx11::basic_string]'
python-cramjam_2.7.0.1+ds1-2820d [B][L][T]#1061310 - python-cramjam FTBFS with pyo3 0.20
python-nss_1.0.1-253d [B][L][T]#1045451 - python-nss: Fails to build source after successful build
#1080757 - python-nss: Missing Build-Depends on python3-setuptools
python-vcsgraph_0.2.0-16d [B][L][T]#1133888 - python-vcsgraph FTBFS: error: no matching package named `maplit` found
ruby-gd_0.8.0-8433d [B][L][T]#1075461 - ruby-gd: ftbfs with GCC-14
ruby-mmap2_2.2.9-1433d [B][L][T]#1075466 - ruby-mmap2: ftbfs with GCC-14
ruby3.3_3.3.8-288d [B][L][T]#1102716 - libruby3.3: failed to build with test errors
#1106931 - ruby3.3: add libcrypt-dev to Build-Depends
s2geometry_0.10.0-6.1715d [B][L][T]#1059228 - build system hard-codes -std=c++11
scram_0.16.2-447d [B][L][T]#1129858 - scram: FTBFS with boost 1.90
solarpowerlog_0.26-147d [B][L][T]#1110665 - solarpowerlog ftbfs with boost 1.88
#1127284 - solarpowerlog: libboost-system-dev package is obsolete with boost 1.89 and newer
sphinxbase_0.8+5prealpha+1-21140d [B][L][T]#1097917 - sphinxbase: ftbfs with GCC-15
stdgpu_1.3.0+git20220507.32e0517-6142d [B][L][T]#1119033 - stdgpu: FTBFS with libamdhip64-dev 6.4.3
supercollider_1:3.13.0+repack-3.147d [B][L][T]#1110666 - supercollider ftbfs with boost 1.88
#1127285 - supercollider: libboost-system-dev package is obsolete with boost 1.89 and newer
#1133877 - supercollider: FTBFS with boost 1.90
swift-im_5.0~alpha2.145.g12d031cf8+dfsg-547d [B][L][T]#1127287 - swift-im: libboost-system-dev package is obsolete with boost 1.89 and newer
tiledarray_1.0.0-1224d [B][L][T]#1087560 - tiledarray: FTBFS: missing cstdint include
ufoai_2.5-937d [B][L][T]#1131334 - ufoai: FTBFS with mlxml 4
xpra_3.1.5+dfsg1-0.2213d [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]
10 FTBFS packages on riscv64 with a patch pending
blender_4.3.2+dfsg-229d [B][L][T]#1101474 - blender: FTBFS: Please add loongarch64 support
epics-base_7.0.8.1+dfsg1-915d [B][L][T]#1079604 - epics-base:FTBFS:build failure (not support riscv64)
flexpart_9.02-27131d [B][L][T]#1120039 - flexpart: fix FTBFS on riscv64
libprelude_5.2.0-5.6452d [B][L][T]#1081473 - FTBFS with Python 3.13
libvmod-re2_2.0.0+20250617-220h [B][L][T]#1134513 - libvmod-re2: FTBFS: error: 'memcpy' was not declared in this scope
mono_6.14.1+ds2-259d [B][L][T]#1045158 - mono: Fails to build source after successful build
pixmap_2.6.6-1794d [B][L][T]#1054698 - pixmap: FTBFS: ././Pixmap.c:1145:(.text+0xe631): undefined reference to `xpmReadRgbNames'
scrollz_2.2.3-2761d [B][L][T]#1066483 - scrollz: FTBFS: configure: error: Fatal: You must get working getaddrinfo() function.
siconos_4.4.0+dfsg-5148d [B][L][T]#1121341 - siconos FTBFS on riscv64: Build killed with signal TERM after 720 minutes of inactivity
valentina_1.0.0~dfsg-4127d [B][L][T]#1122981 - FTBFS: valentina fails to build on riscv64 with GCC 15.2