+ make -j8
Making all in src
make[1]: Entering directory `/home/ubuntu/build/bitcoin/distsrc-x86_64-w64-mingw32/src'
make[2]: Entering directory `/home/ubuntu/build/bitcoin/distsrc-x86_64-w64-mingw32/src'
  CXX      libbitcoinconsensus_la-arith_uint256.lo
  CXX      libbitcoinconsensus_la-hash.lo
  CXX      libbitcoinconsensus_la-pubkey.lo
  CXX      libbitcoinconsensus_la-uint256.lo
  CXX      libbitcoinconsensus_la-utilstrencodings.lo
make[3]: Entering directory `/home/ubuntu/build/bitcoin/distsrc-x86_64-w64-mingw32/src/secp256k1'
  CXX      bitcoind-bitcoind.o
  GEN      bitcoind-res.o
gcc -I. -g -O2 -Wall -Wextra -Wno-unused-function -c src/gen_context.c -o gen_context.o
  CXX      libbitcoin_server_a-addrman.o
  CXX      libbitcoin_server_a-bloom.o
  CXX      libbitcoin_server_a-blockencodings.o
  CXX      libbitcoin_server_a-chain.o
  CXX      libbitcoin_server_a-checkpoints.o
  CXX      libbitcoin_server_a-httprpc.o
  CXX      libbitcoin_server_a-httpserver.o
gcc gen_context.o -o gen_context
./gen_context
  CC       src/libsecp256k1_la-secp256k1.lo
  CXX      libbitcoin_server_a-init.o
  CCLD     libsecp256k1.la
libtool: link: warning: undefined symbols not allowed in x86_64-w64-mingw32 shared libraries
make[3]: Leaving directory `/home/ubuntu/build/bitcoin/distsrc-x86_64-w64-mingw32/src/secp256k1'
  CXX      libbitcoin_server_a-dbwrapper.o
x86_64-w64-mingw32-g++: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[2]: *** [bitcoind-bitcoind.o] Error 4
make[2]: *** Waiting for unfinished jobs....
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/errors.hpp:41:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/exceptions.hpp:24,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/sync/file_lock.hpp:24,
                 from init.cpp:56:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/detail/win32_api.hpp:879:116: warning: declaration of ‘void* boost::interprocess::winapi::CreateMutexA(boost::interprocess::winapi::interprocess_security_attributes*, int, const char*)’ with C language linkage [enabled by default]
 extern "C" __declspec(dllimport) void * __stdcall CreateMutexA(interprocess_security_attributes*, int, const char *);
                                                                                                                    ^
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/condition_variable.hpp:9:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/condition_variable.hpp:14,
                 from sync.h:11,
                 from addrman.h:12,
                 from init.cpp:12:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/thread_primitives.hpp:171:55: warning: conflicts with previous declaration ‘void* boost::detail::win32::CreateMutexA(boost::detail::win32::_SECURITY_ATTRIBUTES*, int, const char*)’ [enabled by default]
                 __declspec(dllimport) void* __stdcall CreateMutexA(_SECURITY_ATTRIBUTES*,int,char const*);
                                                       ^
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/errors.hpp:41:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/exceptions.hpp:24,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/sync/file_lock.hpp:24,
                 from init.cpp:56:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/detail/win32_api.hpp:884:127: warning: declaration of ‘void* boost::interprocess::winapi::CreateSemaphoreA(boost::interprocess::winapi::interprocess_security_attributes*, long int, long int, const char*)’ with C language linkage [enabled by default]
 extern "C" __declspec(dllimport) void * __stdcall CreateSemaphoreA(interprocess_security_attributes*, long, long, const char *);
                                                                                                                               ^
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/condition_variable.hpp:9:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/condition_variable.hpp:14,
                 from sync.h:11,
                 from addrman.h:12,
                 from init.cpp:12:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/thread_primitives.hpp:172:55: warning: conflicts with previous declaration ‘void* boost::detail::win32::CreateSemaphoreA(boost::detail::win32::_SECURITY_ATTRIBUTES*, long int, long int, const char*)’ [enabled by default]
                 __declspec(dllimport) void* __stdcall CreateSemaphoreA(_SECURITY_ATTRIBUTES*,long,long,char const*);
                                                       ^
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/errors.hpp:41:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/exceptions.hpp:24,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/sync/file_lock.hpp:24,
                 from init.cpp:56:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/detail/win32_api.hpp:891:84: warning: declaration of ‘void boost::interprocess::winapi::GetSystemInfo(boost::interprocess::winapi::system_info*)’ with C language linkage [enabled by default]
 extern "C" __declspec(dllimport) void __stdcall GetSystemInfo (struct system_info *);
                                                                                    ^
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/condition_variable.hpp:9:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/condition_variable.hpp:14,
                 from sync.h:11,
                 from addrman.h:12,
                 from init.cpp:12:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/thread_primitives.hpp:181:54: warning: conflicts with previous declaration ‘void boost::detail::win32::GetSystemInfo(_SYSTEM_INFO*)’ [enabled by default]
                 __declspec(dllimport) void __stdcall GetSystemInfo(_SYSTEM_INFO*);
                                                      ^
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/errors.hpp:41:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/exceptions.hpp:24,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/sync/file_lock.hpp:24,
                 from init.cpp:56:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/detail/win32_api.hpp:920:88: warning: declaration of ‘long long int (* boost::interprocess::winapi::GetProcAddress(void*, const char*))()’ with C language linkage [enabled by default]
 extern "C" __declspec(dllimport) farproc_t __stdcall GetProcAddress(void *, const char*);
                                                                                        ^
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/condition_variable.hpp:9:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/condition_variable.hpp:14,
                 from sync.h:11,
                 from addrman.h:12,
                 from init.cpp:12:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/thread_primitives.hpp:195:59: warning: conflicts with previous declaration ‘int (* boost::detail::win32::GetProcAddress(void*, const char*))()’ [enabled by default]
                 __declspec(dllimport) farproc_t __stdcall GetProcAddress(void *, const char *);
                                                           ^
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/errors.hpp:41:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/exceptions.hpp:24,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/sync/file_lock.hpp:24,
                 from init.cpp:56:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/interprocess/detail/win32_api.hpp:921:80: warning: declaration of ‘boost::interprocess::winapi::hinstance_struct* boost::interprocess::winapi::GetModuleHandleA(const char*)’ with C language linkage [enabled by default]
 extern "C" __declspec(dllimport) hmodule __stdcall GetModuleHandleA(const char*);
                                                                                ^
In file included from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/condition_variable.hpp:9:0,
                 from /home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/condition_variable.hpp:14,
                 from sync.h:11,
                 from addrman.h:12,
                 from init.cpp:12:
/home/ubuntu/build/bitcoin/depends/x86_64-w64-mingw32/share/../include/boost/thread/win32/thread_primitives.hpp:175:55: warning: conflicts with previous declaration ‘void* boost::detail::win32::GetModuleHandleA(const char*)’ [enabled by default]
                 __declspec(dllimport) void* __stdcall GetModuleHandleA(char const*);
                                                       ^
make[2]: Leaving directory `/home/ubuntu/build/bitcoin/distsrc-x86_64-w64-mingw32/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/ubuntu/build/bitcoin/distsrc-x86_64-w64-mingw32/src'
make: *** [all-recursive] Error 1