Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-5/README.Bugs> for instructions.
Makefile:4019: recipe for target ‘libbitcoin_server_a-init.o’ failed
make[2]: *** [libbitcoin_server_a-init.o] Error 4
make[2]: Leaving directory ‘/home/ubuntu/zcash/src’
Makefile:7453: recipe for target ‘all-recursive’ failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory ‘/home/ubuntu/zcash/src’
Makefile:640: recipe for target ‘all-recursive’ failed
make: *** [all-recursive] Error 1