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 functionBIO_s_custom_create': openssl.c:(.text+0x69): undefined reference to BIO_set_init' libuSockets.a(openssl.c.o): In functionBIO_s_custom_write': openssl.c:(.text+0xbd): undefined reference to BIO_get_data' libuSockets.a(openssl.c.o): In functionBIO_s_custom_read': openssl.c:(.text+0x15a): undefined reference to BIO_get_data' libuSockets.a(openssl.c.o): In functionssl_on_open': openssl.c:(.text+0x298): undefined reference to BIO_up_ref' openssl.c:(.text+0x2ad): undefined reference toBIO_up_ref' libuSockets.a(openssl.c.o): In function us_internal_init_loop_ssl_data': openssl.c:(.text+0x6f9): undefined reference toOPENSSL_init_ssl' openssl.c:(.text+0x70f): undefined reference to BIO_meth_new' openssl.c:(.text+0x738): undefined reference toBIO_meth_set_create' openssl.c:(.text+0x754): undefined reference to BIO_meth_set_write' openssl.c:(.text+0x770): undefined reference toBIO_meth_set_read' openssl.c:(.text+0x78c): undefined reference to BIO_meth_set_ctrl' openssl.c:(.text+0x7de): undefined reference toBIO_set_data' openssl.c:(.text+0x7fa): undefined reference to BIO_set_data' libuSockets.a(openssl.c.o): In functionus_internal_free_loop_ssl_data': openssl.c:(.text+0x885): undefined reference to BIO_meth_free' libuSockets.a(openssl.c.o): In functionfree_ssl_context': openssl.c:(.text+0xa15): undefined reference to SSL_CTX_get_default_passwd_cb_userdata' libuSockets.a(openssl.c.o): In functioncreate_ssl_context_from_options': openssl.c:(.text+0xa4a): undefined reference to TLS_method' openssl.c:(.text+0xaa4): undefined reference toSSL_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`