# cmake --build . --config Release
Scanning dependencies of target gost_core
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Scanning dependencies of target gost_engine
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/opt/engine-master/gost_pmeth.c: In function 'pkey_gost_copy':
/opt/engine-master/gost_pmeth.c:62:38: error: passing argument 1 of 'EVP_PKEY_CTX_get_data' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
     src_data = EVP_PKEY_CTX_get_data(src);
                                      ^~~
In file included from /opt/engine-master/gost_pmeth.c:10:
/usr/include/openssl/evp.h:1370:7: note: expected 'EVP_PKEY_CTX *' {aka 'struct evp_pkey_ctx_st *'} but argument is of type 'const EVP_PKEY_CTX *' {aka 'const struct evp_pkey_ctx_st *'}
 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
       ^~~~~~~~~~~~~~~~~~~~~
/opt/engine-master/gost_pmeth.c: In function 'pkey_gost_mac_copy':
/opt/engine-master/gost_pmeth.c:573:38: error: passing argument 1 of 'EVP_PKEY_CTX_get_data' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
     src_data = EVP_PKEY_CTX_get_data(src);
                                      ^~~
In file included from /opt/engine-master/gost_pmeth.c:10:
/usr/include/openssl/evp.h:1370:7: note: expected 'EVP_PKEY_CTX *' {aka 'struct evp_pkey_ctx_st *'} but argument is of type 'const EVP_PKEY_CTX *' {aka 'const struct evp_pkey_ctx_st *'}
 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
       ^~~~~~~~~~~~~~~~~~~~~
/opt/engine-master/gost_pmeth.c: In function 'register_pmeth_gost':
/opt/engine-master/gost_pmeth.c:1052:40: error: passing argument 2 of 'EVP_PKEY_meth_set_copy' from incompatible pointer type [-Werror=incompatible-pointer-types]
         EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
                                        ^~~~~~~~~~~~~~~~~~
In file included from /opt/engine-master/gost_pmeth.c:10:
/usr/include/openssl/evp.h:1422:35: note: expected 'int (*)(EVP_PKEY_CTX *, EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, struct evp_pkey_ctx_st *)'} but argument is of type 'int (*)(EVP_PKEY_CTX *, const EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, const struct evp_pkey_ctx_st *)'}
                             int (*copy) (EVP_PKEY_CTX *dst,
                             ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
                                          EVP_PKEY_CTX *src));
                                          ~~~~~~~~~~~~~~~~~~
/opt/engine-master/gost_pmeth.c:1062:40: error: passing argument 2 of 'EVP_PKEY_meth_set_copy' from incompatible pointer type [-Werror=incompatible-pointer-types]
         EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
                                        ^~~~~~~~~~~~~~~~~~
In file included from /opt/engine-master/gost_pmeth.c:10:
/usr/include/openssl/evp.h:1422:35: note: expected 'int (*)(EVP_PKEY_CTX *, EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, struct evp_pkey_ctx_st *)'} but argument is of type 'int (*)(EVP_PKEY_CTX *, const EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, const struct evp_pkey_ctx_st *)'}
                             int (*copy) (EVP_PKEY_CTX *dst,
                             ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
                                          EVP_PKEY_CTX *src));
                                          ~~~~~~~~~~~~~~~~~~
/opt/engine-master/gost_pmeth.c:1072:40: error: passing argument 2 of 'EVP_PKEY_meth_set_copy' from incompatible pointer type [-Werror=incompatible-pointer-types]
         EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
                                        ^~~~~~~~~~~~~~~~~~
In file included from /opt/engine-master/gost_pmeth.c:10:
/usr/include/openssl/evp.h:1422:35: note: expected 'int (*)(EVP_PKEY_CTX *, EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, struct evp_pkey_ctx_st *)'} but argument is of type 'int (*)(EVP_PKEY_CTX *, const EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, const struct evp_pkey_ctx_st *)'}
                             int (*copy) (EVP_PKEY_CTX *dst,
                             ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
                                          EVP_PKEY_CTX *src));
                                          ~~~~~~~~~~~~~~~~~~
/opt/engine-master/gost_pmeth.c:1083:40: error: passing argument 2 of 'EVP_PKEY_meth_set_copy' from incompatible pointer type [-Werror=incompatible-pointer-types]
         EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
                                        ^~~~~~~~~~~~~~~~~~
In file included from /opt/engine-master/gost_pmeth.c:10:
/usr/include/openssl/evp.h:1422:35: note: expected 'int (*)(EVP_PKEY_CTX *, EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, struct evp_pkey_ctx_st *)'} but argument is of type 'int (*)(EVP_PKEY_CTX *, const EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, const struct evp_pkey_ctx_st *)'}
                             int (*copy) (EVP_PKEY_CTX *dst,
                             ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
                                          EVP_PKEY_CTX *src));
                                          ~~~~~~~~~~~~~~~~~~
/opt/engine-master/gost_pmeth.c:1091:36: error: passing argument 2 of 'EVP_PKEY_meth_set_copy' from incompatible pointer type [-Werror=incompatible-pointer-types]
     EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_copy);
                                    ^~~~~~~~~~~~~~
In file included from /opt/engine-master/gost_pmeth.c:10:
/usr/include/openssl/evp.h:1422:35: note: expected 'int (*)(EVP_PKEY_CTX *, EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, struct evp_pkey_ctx_st *)'} but argument is of type 'int (*)(EVP_PKEY_CTX *, const EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, const struct evp_pkey_ctx_st *)'}
                             int (*copy) (EVP_PKEY_CTX *dst,
                             ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
                                          EVP_PKEY_CTX *src));
                                          ~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[2]: *** [CMakeFiles/gost_engine.dir/build.make:206: CMakeFiles/gost_engine.dir/gost_pmeth.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:375: CMakeFiles/gost_engine.dir/all] Error 2
make: *** [Makefile:141: all] Error 2