make build failed

[stevenking888]

Hello,

I installed requirement lib from readme on Ubuntu 18.04

After run "make build" it's almost done but error

[ 92%] Linking CXX executable openwebtorrent-tracker libuSockets.a(openssl.c.o): In function BIO_s_custom_create':
openssl.c:(.text+0x69): undefined reference to BIO_set_init' libuSockets.a(openssl.c.o): In function BIO_s_custom_write':
openssl.c:(.text+0xbd): undefined reference to BIO_get_data' libuSockets.a(openssl.c.o): In function BIO_s_custom_read':
openssl.c:(.text+0x15a): undefined reference to BIO_get_data' libuSockets.a(openssl.c.o): In function ssl_on_open':
openssl.c:(.text+0x298): undefined reference to BIO_up_ref' openssl.c:(.text+0x2ad): undefined reference to BIO_up_ref'
libuSockets.a(openssl.c.o): In function us_internal_init_loop_ssl_data': openssl.c:(.text+0x6f9): undefined reference to OPENSSL_init_ssl'
openssl.c:(.text+0x70f): undefined reference to BIO_meth_new' openssl.c:(.text+0x738): undefined reference to BIO_meth_set_create'
openssl.c:(.text+0x754): undefined reference to BIO_meth_set_write' openssl.c:(.text+0x770): undefined reference to BIO_meth_set_read'
openssl.c:(.text+0x78c): undefined reference to BIO_meth_set_ctrl' openssl.c:(.text+0x7de): undefined reference to BIO_set_data'
openssl.c:(.text+0x7fa): undefined reference to BIO_set_data' libuSockets.a(openssl.c.o): In function us_internal_free_loop_ssl_data':
openssl.c:(.text+0x885): undefined reference to BIO_meth_free' libuSockets.a(openssl.c.o): In function free_ssl_context':
openssl.c:(.text+0xa15): undefined reference to SSL_CTX_get_default_passwd_cb_userdata' libuSockets.a(openssl.c.o): In function create_ssl_context_from_options':
openssl.c:(.text+0xa4a): undefined reference to TLS_method' openssl.c:(.text+0xaa4): undefined reference to SSL_CTX_set_min_proto_version'
collect2: error: ld returned 1 exit status
CMakeFiles/openwebtorrent-tracker.dir/build.make:99: recipe for target 'openwebtorrent-tracker' failed
make[3]: *** [openwebtorrent-tracker] Error 1
make[3]: Leaving directory '/home/openwebtorrent-tracker/build'
CMakeFiles/Makefile2:68: recipe for target 'CMakeFiles/openwebtorrent-tracker.dir/all' failed
make[2]: *** [CMakeFiles/openwebtorrent-tracker.dir/all] Error 2
make[2]: Leaving directory '/home/openwebtorrent-tracker/build'
Makefile:83: recipe for target 'all' failed
make[1]: *** [all] Error 2
make[1]: Leaving directory '/home/openwebtorrent-tracker/build'
Makefile:7: recipe for target 'build' failed
make: *** [build] Error 2`