auth_crypt.c: In function 'check_x509_subj':
auth_crypt.c:118:5: warning: 'ASN1_STRING_data' is deprecated [-Wdeprecated-declarations]
     altptr = (char *)ASN1_STRING_data(actname->d.ia5);
     ^~~~~~
In file included from /usr/include/openssl/bn.h:31:0,
                 from /usr/include/openssl/asn1.h:24,
                 from /usr/include/openssl/objects.h:916,
                 from /usr/include/openssl/evp.h:27,
                 from /usr/include/openssl/pem.h:16,
                 from auth_crypt.c:35:
/usr/include/openssl/asn1.h:553:1: note: declared here
 DEPRECATEDIN_1_1_0(unsigned char *ASN1_STRING_data(ASN1_STRING *x))
 ^
auth_crypt.c: In function 'verify_x509':
auth_crypt.c:166:17: error: storage size of 'ca_ctx' isn't known
  X509_STORE_CTX ca_ctx;
                 ^~~~~~
auth_crypt.c:166:17: warning: unused variable 'ca_ctx' [-Wunused-variable]
../../Makefile.rules:97: recipe for target 'auth_crypt.o' failed
make[2]: *** [auth_crypt.o] Error 1