67 FTBFS packages on arm64 without patch
ircd-hybrid_1:8.2.46+dfsg.1-1139d [B][L][T]#1047078 - ircd-hybrid: Fails to build source after successful build
#1106955 - ircd-hybrid: add libcrypt-dev to Build-Depends
#1126097 - ircd-hybrid: FTBFS due to missing build-dependency on libcrypt-dev
deal.ii_9.7.1-637d [B][L][T]#1125102 - deal.ii: FTBFS on arm64: collect2: fatal error: ld terminated with signal 6 [Aborted]
hipblaslt_7.1.1+dfsg-3125d [B][L][T]#1131957 - hipblaslt: FTBFS with the nocheck build profile
mayavi2_4.8.3-2103d [B][L][T]#1118326 - mayavi2: FTBFS: Fatal Python error: Aborted
user-session-migration_0.5.11d [B][L][T]#1126327 - user-session-migration: FTBFS on arm64: FAIL: test_subsequent_runs_with_new_script (__main__.MigrationTests.test_subsequent_runs_with_new_script)
vagrant_2.3.7+git20230731.5fc64cde+dfsg-4139d [B][L][T]#1126086 - vagrant: FTBFS with Errors::BoxMetadataDownloadError
embree_4.4.1+dfsg-131d [B][L][T]#935064 - embree: FTBFS on x32 (assumes 64-bit size_t for __X86_64__)
#1045129 - embree: Fails to build source after successful build
#1105363 - embree: FTBFS with make --shuffle=reverse: cp: cannot create regular file 'www/images/collide.jpg': No such file or directory
#1129871 - embree: FTBFS: LaTeX error
gtk3bindings_0.1.1-155d [B][L][T] 
hippomocks_5.0-2419d [B][L][T]#888883 - hippomocks FTBFS on arm64/armhf/mips*: test failure
#1047975 - hippomocks: Fails to build source after successful build
odpic_5.6.4-120d [B][L][T]#1057936 - odpic: FTBFS: UndefinedError("'style' is undefined")
btas_1.0.0-1.1191d [B][L][T] 
rdkit_202603.2-130d [B][L][T]#1136322 - rdkit: FTBFS with libeigen3-dev 5.0 (major version transition)
sonic-visualiser_5.2.1-281d [B][L][T]#1131336 - sonic-visualiser: FTBFS with Qt 6.10
gir2pas_0.1.1-178d [B][L][T] 
lua-struct_0.3-2238d [B][L][T] 
gvars3_0.0~git20220105194034.62f5a78-712d [B][L][T] 
ldc_1:1.41.0-1179d [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
r-cran-regsem_1.9.5+dfsg-248d [B][L][T] 
rapmap_0.15.0+dfsg-5242d [B][L][T]#976588 - rapmap: FTBFS on arm64 (when trying to build arch:all)
openstructure_2.11.1-327d [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
rust-mach-o-sys_0.1.1-31584d [B][L][T]#953285 - rust-mach-o-sys fails on architectures with unsigned char
#976484 - rust-mach-o-sys: unsigned values cannot be negated
python-cx-oracle_8.3.0-320d [B][L][T]#1137169 - python-cx-oracle FTBFS: error: implicit declaration of function ‘dpiConn_beginDistribTrans’
rust-subversion_0.1.0-187d [B][L][T]#1103725 - rust-subversion: FTBFS on many archs: expected raw pointer *const u8, found *const i8
pymatgen-core_2026.4.7+dfsg1-510d [B][L][T] 
sphde_1.4.0-5.1143d [B][L][T]#1048093 - sphde: Fails to build source after successful build
#1125773 - sphde: FTBFS on arm64: TERM after 150 minutes of inactivity
cpptraj_5.1.0+dfsg-5260d [B][L][T]#1035833 - cpptraj: FTBFS on \!amd64
#1091156 - cpptraj: FTBFS on arm64: make[2]: *** [Makefile:662: summary] Error 4
mpqc_2.3.1-22556d [B][L][T]#1049570 - mpqc: Fails to build binary packages again after successful build
#1075293 - mpqc: ftbfs with GCC-14
vst3sdk_3.7.10.14+~4.13.3-518d [B][L][T]#1137285 - vst3sdk: frequent build hangs
iisignature_0.23+git20260603.447577b+ds-13d [B][L][T] 
libmaus2_2.0.813+ds-5244d [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*)'
simint_0.7-120d [B][L][T]#1137164 - simint: Baseline violation on x86 and FTBFS everywhere else
tinyarray_1.2.5-1167d [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
gambc_4.9.7+dfsg-113d [B][L][T] 
guile-2.2_2.2.7+1-9140d [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
bwa-mem2_2.3+ds-1108d [B][L][T] 
drawterm_20240821-0.189d [B][L][T]#1126330 - drawterm: FTBFS on non x86: (cd posix-$arch && make) - "can't cd to posix-..."
pyemd_0.5.1.54.g802fa86-2559d [B][L][T]#1080277 - FTBFS with setuptools >= 72: error: invalid command 'test'
cypari2_2.1.4-1604d [B][L][T]#1081687 - Times out building on arm64
gpsshogi_0.7.0-3.395d [B][L][T]#1110591 - gpsshogi ftbfs with boost1.88
#1128157 - gpsshogi: FTBFS with boost 1.90
thin-provisioning-tools_1.1.0-553d [B][L][T]#1134124 - thin-provisioning-tools FTBFS with roaring 0.11
gpyfft_0.7.1-3184d [B][L][T]#1120241 - gpyfft: FTBFS: AttributeError: module 'gpyfft.gpyfftlib' has no attribute 'CLFFT_DOUBLE'
xemacs21_21.4.24-12509d [B][L][T]#1075659 - xemacs21: ftbfs with GCC-14
aj-snapshot_0.9.9-474d [B][L][T]#1093685 - aj-snapshot: FTBFS with mxml 4.0.3
anytun_0.3.8-1.196d [B][L][T]#1127165 - anytun: libboost-system-dev package is obsolete with boost 1.89 and newer
botch_0.24-6.148d [B][L][T]#1131640 - botch: FTBFS: Oh no! 2 files would be reformatted, 37 files would be left unchanged.
broker_1.4.0+ds1-1465d [B][L][T]#1037597 - broker: ftbfs with GCC-13
#1112758 - broker: FTBFS with CMake 4
elpi_2.0.7-362d [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-5163d [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_0.0.2-1.2497d [B][L][T]#1067335 - gnucap-python: FTBFS: _gnucap_swig.cxx:4535:10: fatal error: numpy/arrayobject.h: No such file or directory
libhdate_1.6.02-2.1143d [B][L][T]#1045497 - libhdate: Fails to build source after successful build
#1102875 - libhdate: add perl-xs-dev to Build-Depends
libomemo_0.8.1-374d [B][L][T]#1131332 - libomemo: FTBFS with mxml 4
libpwiz_3.0.18342-4.295d [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_0.5.8-7294d [B][L][T]#1106642 - libvirt-php ftbfs with libxml 2.14.x from experimental
linphone_5.3.105-649d [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]'
mumble_1.5.857-120d [B][L][T]#1136923 - mumble: FTBFS: CMake Error at /usr/lib/x86_64-linux-gnu/cmake/Ice-3.8/IceTargets.cmake:42 (add_executable): add_executable cannot create imported target "Ice::slice2cpp" because another target with the same name already exists.
python-nss_1.0.1-2101d [B][L][T]#1045451 - python-nss: Fails to build source after successful build
#1080757 - python-nss: Missing Build-Depends on python3-setuptools
ruby-gd_0.8.0-8482d [B][L][T]#1075461 - ruby-gd: ftbfs with GCC-14
ruby-mmap2_2.2.9-1482d [B][L][T]#1075466 - ruby-mmap2: ftbfs with GCC-14
s2geometry_0.10.0-6.1763d [B][L][T]#1059228 - build system hard-codes -std=c++11
sccache_0.15.0+ds-110d [B][L][T]#1048427 - sccache: Fails to build source after successful build
#1138282 - sccache FTBFS: Unknown cache level: 'redis'
scram_0.16.2-495d [B][L][T]#1129858 - scram: FTBFS with boost 1.90
solarpowerlog_0.26-195d [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+1-21188d [B][L][T]#1097917 - sphinxbase: ftbfs with GCC-15
stdgpu_1.3.0+git20220507.32e0517-6191d [B][L][T]#1119033 - stdgpu: FTBFS with libamdhip64-dev 6.4.3
swift-im_5.0~alpha2.145.g12d031cf8+dfsg-596d [B][L][T]#1127287 - swift-im: libboost-system-dev package is obsolete with boost 1.89 and newer
tiledarray_1.0.0-1272d [B][L][T]#1087560 - tiledarray: FTBFS: missing cstdint include
xpra_3.1.5+dfsg1-0.2261d [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]
5 FTBFS packages on arm64 with a patch pending
blender_4.3.2+dfsg-278d [B][L][T]#1101474 - blender: FTBFS: Please add loongarch64 support
chromium_149.0.7827.53-12d [B][L][T]#1051998 - chromium: please to add support for riscv64
gulkan_0.15.1-2.320d [B][L][T]#1044984 - gulkan: Fails to build source after successful build
#1137168 - gulkan FTBFS: undefined references
libprelude_5.2.0-5.6500d [B][L][T]#1081473 - FTBFS with Python 3.13
valentina_1.0.2+dfsg-15d [B][L][T]#1122981 - FTBFS: valentina fails to build on riscv64 with GCC 15.2