Error during the build of libtorrent

[Sklinay]

Hi ! I am posting here because I dont get the activation mail on QuickBox's website.

There are some errors during the build of lib torrent :

make[3]: Entering directory '/root/tmp/libtorrent-0.13.6/src/utils'
/bin/sh ../../libtool --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I../.. -I. -I./.. -I../.. -I/usr/include -I/usr/include -pthread -g -O2 -g -DDEBUG -fvisibility=hidden -MT diffie_hellman.lo -MD -MP -MF .deps/diffie_hellman.Tpo -c -o diffie_hellman.lo diffie_hellman.cc
/bin/sh ../../libtool --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H -I. -I../.. -I. -I./.. -I../.. -I/usr/include -I/usr/include -pthread -g -O2 -g -DDEBUG -fvisibility=hidden -MT instrumentation.lo -MD -MP -MF .deps/instrumentation.Tpo -c -o instrumentation.lo instrumentation.cc
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I../.. -I. -I./.. -I../.. -I/usr/include -I/usr/include -pthread -g -O2 -g -DDEBUG -fvisibility=hidden -MT instrumentation.lo -MD -MP -MF .deps/instrumentation.Tpo -c instrumentation.cc -fPIC -DPIC -o .libs/instrumentation.o
libtool: compile: g++ -DHAVE_CONFIG_H -I. -I../.. -I. -I./.. -I../.. -I/usr/include -I/usr/include -pthread -g -O2 -g -DDEBUG -fvisibility=hidden -MT diffie_hellman.lo -MD -MP -MF .deps/diffie_hellman.Tpo -c diffie_hellman.cc -fPIC -DPIC -o .libs/diffie_hellman.o
diffie_hellman.cc: In constructor 'torrent::DiffieHellman::DiffieHellman(const unsigned char*, int, const unsigned char*, int)':
diffie_hellman.cc:57:7: error: invalid use of incomplete type 'DH {aka struct dh_st}'
m_dh->p = BN_bin2bn(prime, primeLength, NULL);
^
In file included from /usr/include/openssl/bn.h:32:0,
from diffie_hellman.cc:43:
/usr/include/openssl/ossl_typ.h:104:16: note: forward declaration of 'DH {aka struct dh_st}'
typedef struct dh_st DH;
^
diffie_hellman.cc:58:7: error: invalid use of incomplete type 'DH {aka struct dh_st}'
m_dh->g = BN_bin2bn(generator, generatorLength, NULL);
^
In file included from /usr/include/openssl/bn.h:32:0,
from diffie_hellman.cc:43:
/usr/include/openssl/ossl_typ.h:104:16: note: forward declaration of 'DH {aka struct dh_st}'
typedef struct dh_st DH;
^
diffie_hellman.cc: In member function 'bool torrent::DiffieHellman::is_valid() const':
diffie_hellman.cc:76:30: error: invalid use of incomplete type 'DH {aka struct dh_st}'
return m_dh != NULL && m_dh->pub_key != NULL;
^
In file included from /usr/include/openssl/bn.h:32:0,
from diffie_hellman.cc:43:
/usr/include/openssl/ossl_typ.h:104:16: note: forward declaration of 'DH {aka struct dh_st}'
typedef struct dh_st DH;
^
In file included from diffie_hellman.cc:43:0:
diffie_hellman.cc: In member function 'void torrent::DiffieHellman::store_pub_key(unsigned char*, unsigned int)':
diffie_hellman.cc:105:39: error: invalid use of incomplete type 'DH {aka struct dh_st}'
if ((int)length >= BN_num_bytes(m_dh->pub_key))
^
In file included from /usr/include/openssl/bn.h:32:0,
from diffie_hellman.cc:43:
/usr/include/openssl/ossl_typ.h:104:16: note: forward declaration of 'DH {aka struct dh_st}'
typedef struct dh_st DH;
^
diffie_hellman.cc:106:19: error: invalid use of incomplete type 'DH {aka struct dh_st}'
BN_bn2bin(m_dh->pub_key, dest + length - BN_num_bytes(m_dh->pub_key));
^
In file included from /usr/include/openssl/bn.h:32:0,
from diffie_hellman.cc:43:
/usr/include/openssl/ossl_typ.h:104:16: note: forward declaration of 'DH {aka struct dh_st}'
typedef struct dh_st DH;
^
In file included from diffie_hellman.cc:43:0:
diffie_hellman.cc:106:63: error: invalid use of incomplete type 'DH {aka struct dh_st}'
BN_bn2bin(m_dh->pub_key, dest + length - BN_num_bytes(m_dh->pub_key));
^
In file included from /usr/include/openssl/bn.h:32:0,
from diffie_hellman.cc:43:
/usr/include/openssl/ossl_typ.h:104:16: note: forward declaration of 'DH {aka struct dh_st}'
typedef struct dh_st DH;

I did some research and its because of new version of Openssl. This bug should happen only with Openssl1.1 but in my case it is with OpenSsl 1.0.2.

A git am ready patch :
0001-Fix-the-DH-parameters-generation-with-OpenSSL-1.1.patch.txt
I tested it, everything is working now !

Rakshasa already merge this patch in the libtorrent feature-bind branch's.

I think you should update libtorrent-0.13.x.tar.gz .

Bye !

[JMSDOnline]

Well aware and I am working on a solution for this already.

Bye !

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