Make error in ubuntu 18.04

[gitgitgat-zz]

Title says it.

make
make  all-am
make[1]: Entering directory '/home/user/Github/tlsdate'
  CC       src/tlsdate_helper-tlsdate-helper.o
src/tlsdate-helper.c: In function ‘openssl_time_callback’:
src/tlsdate-helper.c:377:11: error: dereferencing pointer to incomplete type ‘SSL’ {aka ‘const struct ssl_st’}
       (ssl->state == SSL3_ST_CR_SRVR_HELLO_A || ssl->state == SSL3_ST_CR_SRVR_HELLO_B))
           ^~
src/tlsdate-helper.c:377:22: error: ‘SSL3_ST_CR_SRVR_HELLO_A’ undeclared (first use in this function); did you mean ‘TLS_ST_CR_SRVR_HELLO’?
       (ssl->state == SSL3_ST_CR_SRVR_HELLO_A || ssl->state == SSL3_ST_CR_SRVR_HELLO_B))
                      ^~~~~~~~~~~~~~~~~~~~~~~
                      TLS_ST_CR_SRVR_HELLO
src/tlsdate-helper.c:377:22: note: each undeclared identifier is reported only once for each function it appears in
src/tlsdate-helper.c:377:63: error: ‘SSL3_ST_CR_SRVR_HELLO_B’ undeclared (first use in this function); did you mean ‘TLS_ST_CR_SRVR_HELLO’?
       (ssl->state == SSL3_ST_CR_SRVR_HELLO_A || ssl->state == SSL3_ST_CR_SRVR_HELLO_B))
                                                               ^~~~~~~~~~~~~~~~~~~~~~~
                                                               TLS_ST_CR_SRVR_HELLO
src/tlsdate-helper.c: In function ‘get_certificate_keybits’:
src/tlsdate-helper.c:414:21: error: dereferencing pointer to incomplete type ‘EVP_PKEY’ {aka ‘struct evp_pkey_st’}
   switch (public_key->type)
                     ^~
src/tlsdate-helper.c: In function ‘check_san’:
src/tlsdate-helper.c:698:18: error: dereferencing pointer to incomplete type ‘X509_EXTENSION’ {aka ‘struct X509_extension_st’}
         tmp = ext->value->data;
                  ^~
src/tlsdate-helper.c: In function ‘run_ssl’:
src/tlsdate-helper.c:1139:23: warning: implicit declaration of function ‘SSLv3_client_method’; did you mean ‘SSLv23_client_method’? [-Wimplicit-function-declaration]
     ctx = SSL_CTX_new(SSLv3_client_method());
                       ^~~~~~~~~~~~~~~~~~~
                       SSLv23_client_method
src/tlsdate-helper.c:1139:23: warning: passing argument 1 of ‘SSL_CTX_new’ makes pointer from integer without a cast [-Wint-conversion]
     ctx = SSL_CTX_new(SSLv3_client_method());
                       ^~~~~~~~~~~~~~~~~~~~~
In file included from ./src/tlsdate-helper.h:38,
                 from src/tlsdate-helper.c:78:
/usr/include/openssl/ssl.h:1478:17: note: expected ‘const SSL_METHOD *’ {aka ‘const struct ssl_method_st *’} but argument is of type ‘int’
 __owur SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
                 ^~~~~~~~~~~
src/tlsdate-helper.c:1143:5: warning: ‘TLSv1_client_method’ is deprecated [-Wdeprecated-declarations]
     ctx = SSL_CTX_new(TLSv1_client_method());
     ^~~
In file included from /usr/include/openssl/e_os2.h:13,
                 from /usr/include/openssl/bio.h:13,
                 from ./src/tlsdate-helper.h:37,
                 from src/tlsdate-helper.c:78:
/usr/include/openssl/ssl.h:1854:1: note: declared here
 DEPRECATEDIN_1_1_0(__owur const SSL_METHOD *TLSv1_client_method(void))
 ^~~~~~~~~~~~~~~~~~
src/tlsdate-helper.c:1207:27: error: dereferencing pointer to incomplete type ‘SSL’ {aka ‘struct ssl_st’}
   memcpy(&result_time, ssl->s3->server_random, sizeof (uint32_t));
                           ^~
make[1]: *** [Makefile:2033: src/tlsdate_helper-tlsdate-helper.o] Error 1
make[1]: Leaving directory '/home/user/Github/tlsdate'
make: *** [Makefile:1428: all] Error 2

[quickhot]

ssl should use 1.0.0, so build on ubuntu 16.04