[openbsd] build fails while building SSLUtils.cc

[jirib]

Build fails on OpenBSD.

kern.version=OpenBSD 6.0-current (GENERIC.MP) #0: Wed Nov 23 20:54:10 MST 2016
    build@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP

c++ -DHAVE_CONFIG_H -I. -I../../lib  -I../../iocore/eventsystem -I../../iocore/net -I../../iocore/aio -I../../iocore/hostdb -I../../iocore/cache -I../../iocore/cluster -I../../iocore/utils -I../../iocore/dns -I../../lib -I../../lib/records -I../../proxy -I../../proxy/hdrs -I../../proxy/shared -I../../proxy/logging -I../../mgmt -I../../mgmt/utils -I../../proxy/api/ts -I../../proxy/http -I/usr/include -I/usr/local/include-Dopenbsd -D_LARGEFILE64_SOURCE=1 -D_COMPILE64BIT_SOURCE=1 -D_GNU_SOURCE -D_REENTRANT -D__STDC_LIMIT_MACROS=1 -D__STDC_FORMAT_MACROS=1 -D_FORTIFY_SOURCE=2 -I/usr/include -DOPENSSL_NO_SSL_INTERN -I/usr/local/include/tcl8.5  -O2 -pipe -O0 -g -std=c++11 -Wall -Wextra -Wno-ignored-qualifiers -Wno-unused-parameter -feliminate-unused-debug-symbols -fno-strict-aliasing -Wno-invalid-offsetof -fPIE -fstack-protector -mcx16 -MT SSLUtils.o -MD -MP -MF $depbase.Tpo -c -o SSLUtils.o SSLUtils.cc &&\
mv -f $depbase.Tpo $depbase.Po
SSLUtils.cc: In function 'void SSLInitializeLibrary()':
SSLUtils.cc:917:83: error: invalid conversion from 'void* (*)(size_t, const char*, int) {aka void* (*)(long unsigned int, const char*, int)}' to 'void* (*)(size_t) {aka void* (*)(long unsigned int)}' [-fpermissive]
       CRYPTO_set_mem_functions(ssl_track_malloc, ssl_track_realloc, ssl_track_free);
                                                                                   ^
In file included from /usr/include/openssl/bio.h:69:0,
                 from /usr/include/openssl/evp.h:67,
                 from /usr/include/openssl/hmac.h:67,
                 from /usr/include/openssl/ssl.h:149,
                 from P_SSLNetVConnection.h:41,
                 from P_Net.h:104,
                 from SSLUtils.cc:26:
/usr/include/openssl/crypto.h:412:5: note: initializing argument 1 of 'int CRYPTO_set_mem_functions(void* (*)(size_t), void* (*)(void*, size_t), void (*)(void*))'
 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
     ^
SSLUtils.cc:917:83: error: invalid conversion from 'void* (*)(void*, size_t, const char*, int) {aka void* (*)(void*, long unsigned int, const char*, int)}' to 'void* (*)(void*, size_t) {aka void* (*)(void*, longunsigned int)}' [-fpermissive]
       CRYPTO_set_mem_functions(ssl_track_malloc, ssl_track_realloc, ssl_track_free);
                                                                                   ^
In file included from /usr/include/openssl/bio.h:69:0,
                 from /usr/include/openssl/evp.h:67,
                 from /usr/include/openssl/hmac.h:67,
                 from /usr/include/openssl/ssl.h:149,
                 from P_SSLNetVConnection.h:41,
                 from P_Net.h:104,
                 from SSLUtils.cc:26:
/usr/include/openssl/crypto.h:412:5: note: initializing argument 2 of 'int CRYPTO_set_mem_functions(void* (*)(size_t), void* (*)(void*, size_t), void (*)(void*))'
 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
     ^
SSLUtils.cc:917:83: error: invalid conversion from 'void (*)(void*, const char*, int)' to 'void (*)(void*)' [-fpermissive]
       CRYPTO_set_mem_functions(ssl_track_malloc, ssl_track_realloc, ssl_track_free);
                                                                                   ^
In file included from /usr/include/openssl/bio.h:69:0,
                 from /usr/include/openssl/evp.h:67,
                 from /usr/include/openssl/hmac.h:67,
                 from /usr/include/openssl/ssl.h:149,
                 from P_SSLNetVConnection.h:41,
                 from P_Net.h:104,
                 from SSLUtils.cc:26:
/usr/include/openssl/crypto.h:412:5: note: initializing argument 3 of 'int CRYPTO_set_mem_functions(void* (*)(size_t), void* (*)(void*, size_t), void (*)(void*))'
 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
     ^
SSLUtils.cc:919:65: error: invalid conversion from 'void* (*)(size_t, const char*, int) {aka void* (*)(long unsigned int, const char*, int)}' to 'void* (*)(size_t) {aka void* (*)(long unsigned int)}' [-fpermissive]
       CRYPTO_set_mem_functions(ssl_malloc, ssl_realloc, ssl_free);
                                                                 ^
In file included from /usr/include/openssl/bio.h:69:0,
                 from /usr/include/openssl/evp.h:67,
                 from /usr/include/openssl/hmac.h:67,
                 from /usr/include/openssl/ssl.h:149,
                 from P_SSLNetVConnection.h:41,
                 from P_Net.h:104,
                 from SSLUtils.cc:26:
/usr/include/openssl/crypto.h:412:5: note: initializing argument 1 of 'int CRYPTO_set_mem_functions(void* (*)(size_t), void* (*)(void*, size_t), void (*)(void*))'
 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
     ^
SSLUtils.cc:919:65: error: invalid conversion from 'void* (*)(void*, size_t, const char*, int) {aka void* (*)(void*, long unsigned int, const char*, int)}' to 'void* (*)(void*, size_t) {aka void* (*)(void*, longunsigned int)}' [-fpermissive]
       CRYPTO_set_mem_functions(ssl_malloc, ssl_realloc, ssl_free);
                                                                 ^
In file included from /usr/include/openssl/bio.h:69:0,
                 from /usr/include/openssl/evp.h:67,
                 from /usr/include/openssl/hmac.h:67,
                 from /usr/include/openssl/ssl.h:149,
                 from P_SSLNetVConnection.h:41,
                 from P_Net.h:104,
                 from SSLUtils.cc:26:
/usr/include/openssl/crypto.h:412:5: note: initializing argument 2 of 'int CRYPTO_set_mem_functions(void* (*)(size_t), void* (*)(void*, size_t), void (*)(void*))'
 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
     ^
SSLUtils.cc:919:65: error: invalid conversion from 'void (*)(void*, const char*, int)' to 'void (*)(void*)' [-fpermissive]
       CRYPTO_set_mem_functions(ssl_malloc, ssl_realloc, ssl_free);
                                                                 ^
In file included from /usr/include/openssl/bio.h:69:0,
                 from /usr/include/openssl/evp.h:67,
                 from /usr/include/openssl/hmac.h:67,
                 from /usr/include/openssl/ssl.h:149,
                 from P_SSLNetVConnection.h:41,
                 from P_Net.h:104,
                 from SSLUtils.cc:26:
/usr/include/openssl/crypto.h:412:5: note: initializing argument 3 of 'int CRYPTO_set_mem_functions(void* (*)(size_t), void* (*)(void*, size_t), void (*)(void*))'
 int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t), void (*f)(void *));
     ^
SSLUtils.cc:941:34: error: 'SSL_pthreads_thread_id' was not declared in this scope
     CRYPTO_THREADID_set_callback(SSL_pthreads_thread_id);
                                  ^
SSLUtils.cc: In function 'SSL_CTX* SSLInitServerContext(const SSLConfigParams*, const ssl_user_config*, Vec<x509_st*>&)':
SSLUtils.cc:1585:56: error: invalid conversion from 'SSL_SESSION* (*)(SSL*, const unsigned char*, int, int*) {aka ssl_session_st* (*)(ssl_st*, const unsigned char*, int, int*)}' to 'SSL_SESSION* (*)(ssl_st*, unsigned char*, int, int*) {aka ssl_session_st* (*)(ssl_st*, unsigned char*, int, int*)}' [-fpermissive]
     SSL_CTX_sess_set_get_cb(ctx, ssl_get_cached_session);
                                                        ^
In file included from P_SSLNetVConnection.h:41:0,
                 from P_Net.h:104,
                 from SSLUtils.cc:26:
/usr/include/openssl/ssl.h:932:6: note: initializing argument 2 of 'void SSL_CTX_sess_set_get_cb(SSL_CTX*, SSL_SESSION* (*)(ssl_st*, unsigned char*, int, int*))'
 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
      ^

[jirib]

FYI OpenBSD uses Libressl, a fork of OpenSSL. So I suppose this is caused by this difference. FreeBSD and also some Linux distros have adopted LibreSSL so build error could occur even there.

https://www.libressl.org/
https://wiki.freebsd.org/LibreSSL/Ports (info about changes in apps)