Tom, Sad news. The build fails for me in unstable as is (using an updated pbuilder chroot). I log these to file and what I see is
cd /build/tiledb-2.6.2/obj-x86_64-linux-gnu/tiledb/tiledb && /usr/bin/cc -DFMT_LOCALE -DFMT_SHARED -DSPDLOG_COMPILED_LIB -DSPDLOG_FMT_EXTERNAL -DSPDLOG_FMT_EXTERNAL=1 -DSPDLOG_SHARED_LIB -DTILEDB_CORE_OBJECTS_EXPORTS -DTILEDB_SERIALIZATION -DTILEDB_STATS -D_FILE_OFFSET_BITS=64 -I/build/tiledb-2.6.2/tiledb/.. -I/build/tiledb-2.6.2/tiledb/../tiledb/sm/c_api -I/build/tiledb-2.6.2/tiledb/../external/include -I/build/tiledb-2.6.2/tiledb/../external/include/bitshuffle -I/build/tiledb-2.6.2/tiledb/../external/include/blosc -I/build/tiledb-2.6.2/external/blosc/include -I/build/tiledb-2.6.2/obj-x86_64-linux-gnu/tiledb/tiledb/.. -I/build/tiledb-2.6.2/tiledb/../tiledb/sm/cpp_api -I/build/tiledb-2.6.2/obj-x86_64-linux-gnu/tiledb/tiledb -g -O2 -ffile-prefix-map=/build/tiledb-2.6.2=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -fvisibility=hidden -Wall -Wextra -mavx2 -w -DPTHREAD_AVAILABLE -MD -MT tiledb/CMakeFiles/TILEDB_CORE_OBJECTS.dir/__/external/blosc/src/shuffle-avx2.c.o -MF CMakeFiles/TILEDB_CORE_OBJECTS.dir/__/external/blosc/src/shuffle-avx2.c.o.d -o CMakeFiles/TILEDB_CORE_OBJECTS.dir/__/external/blosc/src/shuffle-avx2.c.o -c /build/tiledb-2.6.2/external/blosc/src/shuffle-avx2.c [ 96%] Building CXX object tiledb/CMakeFiles/TILEDB_CORE_OBJECTS.dir/sm/serialization/posix/tiledb-rest.capnp.c++.o cd /build/tiledb-2.6.2/obj-x86_64-linux-gnu/tiledb/tiledb && /usr/bin/c++ -DFMT_LOCALE -DFMT_SHARED -DSPDLOG_COMPILED_LIB -DSPDLOG_FMT_EXTERNAL -DSPDLOG_FMT_EXTERNAL=1 -DSPDLOG_SHARED_LIB -DTILEDB_CORE_OBJECTS_EXPORTS -DTILEDB_SERIALIZATION -DTILEDB_STATS -D_FILE_OFFSET_BITS=64 -I/build/tiledb-2.6.2/tiledb/.. -I/build/tiledb-2.6.2/tiledb/../tiledb/sm/c_api -I/build/tiledb-2.6.2/tiledb/../external/include -I/build/tiledb-2.6.2/tiledb/../external/include/bitshuffle -I/build/tiledb-2.6.2/tiledb/../external/include/blosc -I/build/tiledb-2.6.2/external/blosc/include -I/build/tiledb-2.6.2/obj-x86_64-linux-gnu/tiledb/tiledb/.. -I/build/tiledb-2.6.2/tiledb/../tiledb/sm/cpp_api -I/build/tiledb-2.6.2/obj-x86_64-linux-gnu/tiledb/tiledb -g -O2 -ffile-prefix-map=/build/tiledb-2.6.2=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -fvisibility=hidden -Wall -Wextra -Wno-literal-suffix -mavx2 -std=c++17 -MD -MT tiledb/CMakeFiles/TILEDB_CORE_OBJECTS.dir/sm/serialization/posix/tiledb-rest.capnp.c++.o -MF CMakeFiles/TILEDB_CORE_OBJECTS.dir/sm/serialization/posix/tiledb-rest.capnp.c++.o.d -o CMakeFiles/TILEDB_CORE_OBJECTS.dir/sm/serialization/posix/tiledb-rest.capnp.c++.o -c /build/tiledb-2.6.2/tiledb/sm/serialization/posix/tiledb-rest.capnp.c++ make[7]: Leaving directory '/build/tiledb-2.6.2/obj-x86_64-linux-gnu/tiledb' [ 96%] Built target TILEDB_CORE_OBJECTS make[6]: Leaving directory '/build/tiledb-2.6.2/obj-x86_64-linux-gnu/tiledb' make[5]: *** [Makefile:146: all] Error 2 make[5]: Leaving directory '/build/tiledb-2.6.2/obj-x86_64-linux-gnu/tiledb' make[4]: *** [CMakeFiles/tiledb.dir/build.make:89: tiledb-prefix/src/tiledb-stamp/tiledb-build] Error 2 make[4]: Leaving directory '/build/tiledb-2.6.2/obj-x86_64-linux-gnu' make[3]: *** [CMakeFiles/Makefile2:90: CMakeFiles/tiledb.dir/all] Error 2 make[3]: Leaving directory '/build/tiledb-2.6.2/obj-x86_64-linux-gnu' make[2]: *** [Makefile:94: all] Error 2 make[2]: Leaving directory '/build/tiledb-2.6.2/obj-x86_64-linux-gnu' dh_auto_build: error: cd obj-x86_64-linux-gnu && make -j12 "INSTALL=install --strip-program=true" VERBOSE=1 returned exit code 2 make[1]: *** [debian/rules:47: override_dh_auto_build] Error 25 make[1]: Leaving directory '/build/tiledb-2.6.2' make: *** [debian/rules:22: binary] Error 2 dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2 which makes no sense to me as I see no error. I would appreciate some help here. Dirk -- https://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org