Fizz Install Error

[joeyboli]

[ 31%] Linking CXX executable bin/ClientProtocolTest
/usr/bin/ld: lib/libfizz.a(Utils.cpp.o): in function fizz::openssl::OpenSSLECKeyExchange::OpenSSLECKeyExchange(int, int)': Utils.cpp:(.text._ZN4fizz7openssl20OpenSSLECKeyExchangeC2Eii[_ZN4fizz7openssl20OpenSSLECKeyExchangeC5Eii]+0x25): undefined reference to vtable for fizz::openssl::OpenSSLECKeyExchange'
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/ClientProtocolTest.dir/build.make:145: bin/ClientProtocolTest] Error 1
make[1]: *** [CMakeFiles/Makefile2:332: CMakeFiles/ClientProtocolTest.dir/all] Error 2
make: *** [Makefile:166: all] Error 2
root@ubuntu-s-4vcpu-16gb-amd-ams3-01:/fizz/build_#
root@ubuntu-s-4vcpu-16gb-amd-ams3-01:/fizz/build_# sudo make install
[ 26%] Built target fizz
[ 28%] Built target fizz_test_support
[ 29%] Built target SyncronizedLruPskCacheTest
[ 30%] Linking CXX executable bin/AsyncFizzClientTest
/usr/bin/ld: lib/libfizz.a(Utils.cpp.o): in function fizz::openssl::OpenSSLECKeyExchange::OpenSSLECKeyExchange(int, int)': Utils.cpp:(.text._ZN4fizz7openssl20OpenSSLECKeyExchangeC2Eii[_ZN4fizz7openssl20OpenSSLECKeyExchangeC5Eii]+0x25): undefined reference to vtable for fizz::openssl::OpenSSLECKeyExchange'
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/AsyncFizzClientTest.dir/build.make:145: bin/AsyncFizzClientTest] Error 1
make[1]: *** [CMakeFiles/Makefile2:305: CMakeFiles/AsyncFizzClientTest.dir/all] Error 2
make: *** [Makefile:166: all] Error 2
root@ubuntu-s-4vcpu-16gb-amd-ams3-01:~/fizz/build_#