RocksDB fails to build on arm64: undefined reference to `crc32c_arm64(unsigned int, unsigned char const*, unsigned int)'

>>> Configuring source in /var/tmp/portage/dev-db/mariadb-10.2.32/work/mysql ...

>>> Working in BUILD_DIR: "/var/tmp/portage/dev-db/mariadb-10.2.32/work/mariadb-10.2.32_build"

cmake -C /var/tmp/portage/dev-db/mariadb-10.2.32/work/mariadb-10.2.32_build/gentoo_common_config.cmake -G Unix Makefiles -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_C_FLAGS_RELWITHDEBINFO=-DNDEBUG -DCMAKE_CXX_FLAGS_RELWITHDEBINFO=-DNDEBUG -DMYSQL_DATADIR=/var/lib/mysql -DSYSCONFDIR=/etc/mysql -DINSTALL_BINDIR=bin -DINSTALL_DOCDIR=share/doc/mariadb-10.2.32 -DINSTALL_DOCREADMEDIR=share/doc/mariadb-10.2.32 -DINSTALL_INCLUDEDIR=include/mysql -DINSTALL_INFODIR=share/info -DINSTALL_LIBDIR=lib64 -DINSTALL_MANDIR=share/man -DINSTALL_MYSQLSHAREDIR=share/mariadb -DINSTALL_PLUGINDIR=lib64/mariadb/plugin -DINSTALL_SCRIPTDIR=share/mariadb/scripts -DINSTALL_MYSQLDATADIR=/var/lib/mysql -DINSTALL_SBINDIR=sbin -DINSTALL_SUPPORTFILESDIR=/usr/share/mariadb -DWITH_COMMENT=Gentoo Linux mariadb-10.2.32 -DWITH_UNIT_TESTS=OFF -DWITH_LIBEDIT=0 -DWITH_ZLIB=system -DWITHOUT_LIBWRAP=1 -DENABLED_LOCAL_INFILE=1 -DMYSQL_UNIX_ADDR=/var/run/mysqld/mysqld.sock -DINSTALL_UNIX_ADDRDIR=/var/run/mysqld/mysqld.sock -DWITH_DEFAULT_COMPILER_OPTIONS=0 -DWITH_DEFAULT_FEATURE_SET=0 -DINSTALL_SYSTEMD_UNITDIR=/lib/systemd/system -DSTACK_DIRECTION=-1 -DPKG_CONFIG_EXECUTABLE=/usr/bin/aarch64-unknown-linux-gnu-pkg-config -DPLUGIN_AUTH_GSSAPI=DYNAMIC -DAUTH_GSSAPI_PLUGIN_TYPE=DYNAMIC -DCONC_WITH_EXTERNAL_ZLIB=YES -DWITH_EXTERNAL_ZLIB=YES -DSUFFIX_INSTALL_DIR= -DWITH_UNITTEST=OFF -DWITHOUT_CLIENTLIBS=YES -DCLIENT_PLUGIN_DIALOG=OFF -DCLIENT_PLUGIN_AUTH_GSSAPI_CLIENT=OFF -DCLIENT_PLUGIN_CLIENT_ED25519=OFF -DCLIENT_PLUGIN_MYSQL_CLEAR_PASSWORD=STATIC -DCLIENT_PLUGIN_CACHING_SHA2_PASSWORD=OFF -DINSTALL_MYSQLTESTDIR= -DWITH_SSL=system -DCLIENT_PLUGIN_SHA256_PASSWORD=STATIC -DWITH_READLINE=0 -DNOT_FOR_DISTRIBUTION=1 -DENABLE_DTRACE=yes -DPLUGIN_FEDERATED=NO -DPLUGIN_FEDERATEDX=NO -DWITH_JEMALLOC=no -DWITH_PCRE=system -DPLUGIN_OQGRAPH=DYNAMIC -DPLUGIN_SPHINX=NO -DPLUGIN_TOKUDB=NO -DPLUGIN_AUTH_PAM=YES -DPLUGIN_CRACKLIB_PASSWORD_CHECK=YES -DPLUGIN_CASSANDRA=NO -DPLUGIN_SEQUENCE=NO -DPLUGIN_SPIDER=NO -DPLUGIN_CONNECT=NO -DCONNECT_WITH_MYSQL=1 -DCONNECT_WITH_LIBXML2=yes -DCONNECT_WITH_ODBC=no -DCONNECT_WITH_JDBC=no -DCONNECT_WITH_MONGO=OFF -DWITH_WSREP=no -DWITH_INNODB_LZ4=ON -DWITH_INNODB_LZO=OFF -DWITH_INNODB_SNAPPY=OFF -DPLUGIN_MROONGA=NO -DPLUGIN_AUTH_GSSAPI=DYNAMIC -DWITH_MARIABACKUP=ON -DWITH_LIBARCHIVE=ON -DINSTALL_SQLBENCHDIR=share/mariadb -DPLUGIN_ROCKSDB=DYNAMIC -DWITH_SYSTEMD=no -DWITH_NUMA=ON -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DEXTRA_CHARSETS=all -DMYSQL_USER=mysql -DDISABLE_SHARED=NO -DWITH_DEBUG=no -DWITH_EMBEDDED_SERVER=OFF -DWITH_PROFILING=yes -DWITH_ARCHIVE_STORAGE_ENGINE=1 -DWITH_BLACKHOLE_STORAGE_ENGINE=1 -DWITH_CSV_STORAGE_ENGINE=1 -DWITH_HEAP_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_MYISAMMRG_STORAGE_ENGINE=1 -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_PARTITION_STORAGE_ENGINE=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_TOOLCHAIN_FILE=/var/tmp/portage/dev-db/mariadb-10.2.32/work/mariadb-10.2.32_build/gentoo_toolchain.cmake

[...]

[ 95%] Building CXX object sql/CMakeFiles/sql.dir/threadpool_generic.cc.o

cd /var/tmp/portage/dev-db/mariadb-10.2.32/work/mariadb-10.2.32_build/sql && /usr/bin/aarch64-unknown-linux-gnu-g++ -DDBUG_TRACE -DHAVE_CONFIG_H -DHAVE_EVENT_SCHEDULER -DHAVE_OPENSSL -DHAVE_POOL_OF_THREADS -DMYSQL_SERVER -D_FILE_OFFSET_BITS=64 -I/var/tmp/portage/dev-db/mariadb-10.2.32/work/mariadb-10.2.32_build/include -I/var/tmp/portage/dev-db/mariadb-10.2.32/work/mysql/include -I/var/tmp/portage/dev-db/mariadb-10.2.32/work/mysql/sql -I/var/tmp/portage/dev-db/mariadb-10.2.32/work/mariadb-10.2.32_build/sql   -O2 -pipe -march=native -felide-constructors -fno-strict-aliasing -pie -fPIC -Wl,-z,relro,-z,now -fstack-protector --param=ssp-buffer-size=4 -fno-rtti -DNDEBUG -D_FORTIFY_SOURCE=2 -DDBUG_OFF -Wall -Wextra -Wformat-security -Wno-format-truncation -Wno-init-self -Wno-nonnull-compare -Wno-unused-parameter -Woverloaded-virtual -Wvla -Wwrite-strings   -o CMakeFiles/sql.dir/threadpool_generic.cc.o -c /var/tmp/portage/dev-db/mariadb-10.2.32/work/mysql/sql/threadpool_generic.cc

/usr/lib/gcc/aarch64-unknown-linux-gnu/9.3.0/../../../../aarch64-unknown-linux-gnu/bin/ld: librocksdblib.a(crc32c.cc.o): in function `rocksdb::crc32c::ExtendARMImpl(unsigned int, char const*, unsigned long)':

crc32c.cc:(.text+0x0): undefined reference to `crc32c_arm64(unsigned int, unsigned char const*, unsigned int)'

/usr/lib/gcc/aarch64-unknown-linux-gnu/9.3.0/../../../../aarch64-unknown-linux-gnu/bin/ld: librocksdblib.a(crc32c.cc.o): in function `rocksdb::crc32c::IsFastCrc32Supported[abi:cxx11]()':

crc32c.cc:(.text+0x280): undefined reference to `crc32c_runtime_check()'

/usr/lib/gcc/aarch64-unknown-linux-gnu/9.3.0/../../../../aarch64-unknown-linux-gnu/bin/ld: librocksdblib.a(crc32c.cc.o): in function `_GLOBAL__sub_I_crc32c.cc':

crc32c.cc:(.text.startup+0x8): undefined reference to `crc32c_runtime_check()'

collect2: error: ld returned 1 exit status

make[2]: *** [storage/rocksdb/CMakeFiles/sst_dump.dir/build.make:90: storage/rocksdb/sst_dump] Error 1

make[2]: Leaving directory '/var/tmp/portage/dev-db/mariadb-10.2.32/work/mariadb-10.2.32_build'

make[1]: *** [CMakeFiles/Makefile2:2909: storage/rocksdb/CMakeFiles/sst_dump.dir/all] Error 2

make[1]: *** Waiting for unfinished jobs....