fail There is a bug in libtorrent here: it unconditionally uses atomics on 64-bit quantities, which GCC doesn’t guarantee:
configure:18050: g++ -o conftest -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -g -DDEBUG -pthread -I/usr/include -D_FORTIFY_SOURCE=2 -Wl,-z,relro conftest.cpp -lncursesw -lcurl -ltorrent -L/usr/lib/m68k-linux-gnu -lxmlrpc_server -lxmlrpc -lxmlrpc_xmlparse -lxmlrpc_xmltok -lxmlrpc_util >&5 /usr/lib/m68k-linux-gnu/libtorrent.so: undefined reference to `__sync_fetch_and_and_8' /usr/lib/m68k-linux-gnu/libtorrent.so: undefined reference to `__sync_add_and_fetch_8'

