Qt5 и старые дистры. Ошибка при сборке

$ diff -Nuar qnetworkproxy_libproxy_orig.cpp qnetworkproxy_libproxy.cpp 
--- qnetworkproxy_libproxy_orig.cpp     2019-02-24 17:43:42.352257366 +0700
+++ qnetworkproxy_libproxy.cpp  2019-02-24 17:45:16.568091386 +0700
@@ -155,7 +155,7 @@
             data.replyReady.acquire();
         } else {
             // non-threaded mode
-            data.proxies = px_proxy_factory_get_proxies(factory, data.url);
+            data.proxies = px_proxy_factory_get_proxies(factory, const_cast<char *>(data.url));
         }
     }
 
@@ -179,7 +179,7 @@
         requestReady.acquire();
         if (isInterruptionRequested())
             break;
-        request->proxies = px_proxy_factory_get_proxies(factory, request->url);
+        request->proxies = px_proxy_factory_get_proxies(factory, const_cast<char *>(request->url));
         request->replyReady.release();
     }
 

g++ -c -pipe -O3 -std=c++11 -fvisibility=hidden -fvisibility-inlines-hidden -fno-exceptions -Wall -W -Wvla -D_REENTRANT -fPIC -DQT_NO_USING_NAMESPACE -DQT_NO_FOREACH -DENABLE_PIXMAN_DRAWHELPERS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_BUILD_GUI_LIB -DQT_BUILDING_QT -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -DQT_CORE_LIB -I. -I../../include -I../../include/QtGui -I../../include/QtGui/5.10 -I../../include/QtGui/5.10/QtGui -isystem /usr/include/libdrm -I../../include/QtCore/5.10 -I../../include/QtCore/5.10/QtCore -I../../include/QtCore -I.moc -isystem /usr/include/libpng12 -I../3rdparty/harfbuzz-ng/include -isystem /usr/include/pgsql -isystem /usr/include/pgsql/server -isystem /usr/include/mysql -I../../mkspecs/linux-g++ -o .obj/qplatformgraphicsbuffer.o kernel/qplatformgraphicsbuffer.cpp
In file included from ssl/qsslsocket_openssl_symbols.cpp:58:0:
ssl/qsslsocket_openssl_symbols.cpp: In function 'char* q_SSL_CIPHER_description(const SSL_CIPHER*, char*, int)':
ssl/qsslsocket_openssl_symbols_p.h:193:58: error: invalid conversion from 'const SSL_CIPHER* {aka const ssl_cipher_st*}' to 'SSL_CIPHER* {aka ssl_cipher_st*}' [-fpermissive]
     ret q_##func(arg1, arg2, arg3) { funcret func(a, b, c); }
                                                          ^
ssl/qsslsocket_openssl_symbols.cpp:384:1: note: in expansion of macro 'DEFINEFUNC3'
 DEFINEFUNC3(char *, SSL_CIPHER_description, const SSL_CIPHER *a, a, char *b, b, int c, c, return 0, return)
 ^
In file included from ../../include/QtNetwork/5.10/QtNetwork/private/../../../../../src/network/ssl/qsslcontext_openssl_p.h:60:0,
                 from ../../include/QtNetwork/5.10/QtNetwork/private/qsslcontext_openssl_p.h:1,
                 from ssl/qsslsocket_p.h:62,
                 from ssl/qsslsocket_openssl_p.h:70,
                 from ssl/qsslsocket_openssl_symbols_p.h:72,
                 from ssl/qsslsocket_openssl_symbols.cpp:58:
/usr/include/openssl/ssl.h:1549:7: error:   initializing argument 1 of 'char* SSL_CIPHER_description(SSL_CIPHER*, char*, int)' [-fpermissive]
 char *SSL_CIPHER_description(SSL_CIPHER *,char *buf,int size);
       ^

@@ -1503,14 +1316,8 @@ QSslCipher QSslSocketBackendPrivate::ses
 {
     if (!ssl)
         return QSslCipher();
-#if OPENSSL_VERSION_NUMBER >= 0x10000000L
-    // FIXME This is fairly evil, but needed to keep source level compatibility
-    // with the OpenSSL 0.9.x implementation at maximum -- some other functions
-    // don't take a const SSL_CIPHER* when they should
-    SSL_CIPHER *sessionCipher = const_cast<SSL_CIPHER *>(q_SSL_get_current_cipher(ssl));
-#else
-    SSL_CIPHER *sessionCipher = q_SSL_get_current_cipher(ssl);
-#endif
+
+    const SSL_CIPHER *sessionCipher = q_SSL_get_current_cipher(ssl);
     return sessionCipher ? QSslCipher_from_SSL_CIPHER(sessionCipher) : QSslCipher();
 }
 

    -no-openssl ......... Do not compile support for OpenSSL.
    -openssl ............ Enable run-time OpenSSL support.
    -openssl-linked ..... Enabled linked OpenSSL support.