Hi, I was Building mariadb on Mac OS X and got this error: [ 81%] Built target pfs_misc-t [ 81%] Built target pfs_timer-t [ 81%] Built target pfs_user-oom-t [ 81%] Built target sphinx [ 83%] Built target spider [ 83%] Built target test_sql_discovery [ 84%] Built target tokuportability_static_conv [ 84%] Built target tokuportability_static [ 84%] Built target logformat [ 84%] Built target generate_log_code [ 84%] Built target make_tdb [ 84%] Built target install_tdb_h [ 84%] Building CXX object storage/tokudb/ft-index/src/CMakeFiles/tokudb_static_conv.dir/ydb.cc.o In file included from /Users/osiris/Desktop/server/storage/tokudb/ft-index/src/ydb.cc:97: /Users/osiris/Desktop/server/build/storage/tokudb/ft-index/buildheader/db.h:323:1: error: empty struct has size 0 in C, size 1 in C++ [-Werror,-Wextern-c-compat] struct __toku_db_lsn { ^ In file included from /Users/osiris/Desktop/server/storage/tokudb/ft-index/src/ydb.cc:107: In file included from /Users/osiris/Desktop/server/storage/tokudb/ft-index/ft/ft-flusher.h:94: In file included from /Users/osiris/Desktop/server/storage/tokudb/ft-index/ft/ft-internal.h:103: In file included from /Users/osiris/Desktop/server/storage/tokudb/ft-index/ft/node.h:91: In file included from /Users/osiris/Desktop/server/storage/tokudb/ft-index/ft/bndata.h:93: In file included from /Users/osiris/Desktop/server/storage/tokudb/ft-index/util/dmt.h:731: /Users/osiris/Desktop/server/storage/tokudb/ft-index/util/dmt.cc:925:9: error: nonnull parameter 'outlen' will evaluate to 'true' on first encounter [-Werror,-Wpointer-bool-conversion] if (outlen) { ~~ ^~~~~~ /Users/osiris/Desktop/server/storage/tokudb/ft-index/util/dmt.cc:935:9: error: nonnull parameter 'outlen' will evaluate to 'true' on first encounter [-Werror,-Wpointer-bool-conversion] if (outlen) { ~~ ^~~~~~ /Users/osiris/Desktop/server/storage/tokudb/ft-index/util/dmt.cc:945:9: error: nonnull parameter 'outlen' will evaluate to 'true' on first encounter [-Werror,-Wpointer-bool-conversion] if (outlen) { ~~ ^~~~~~ /Users/osiris/Desktop/server/storage/tokudb/ft-index/util/dmt.cc:955:9: error: nonnull parameter 'outlen' will evaluate to 'true' on first encounter [-Werror,-Wpointer-bool-conversion] if (outlen) { ~~ ^~~~~~ 5 errors generated. make[2]: *** [storage/tokudb/ft-index/src/CMakeFiles/tokudb_static_conv.dir/ydb.cc.o] Error 1 make[1]: *** [storage/tokudb/ft-index/src/CMakeFiles/tokudb_static_conv.dir/all] Error 2 make: *** [all] Error 2 How can I fix this please?