SSH2.c:1103:14: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] ss = (SSH2 *)SvIV((SV*)SvRV(ST(0))); ^ #### SSH2.o:SSH2.c:(.text+0x14f8d): undefined reference to `CRYPTO_set_dyn lock_destroy_callback' C:/STRAWB~1/c/bin/../lib/gcc/i686-w64-mingw32/4.8.3/../../../../i686- w64-mingw32/bin/ld.exe: SSH2.o: bad reloc address 0x1768 in section `.rdata' C:/STRAWB~1/c/bin/../lib/gcc/i686-w64-mingw32/4.8.3/../../../../i686- w64-mingw32/bin/ld.exe: final link failed: Invalid operation collect2.exe: error: ld returned 1 exit status dmake: Error code 129, while making 'blib\arch\auto\Net\SSH2\SSH2.dl l'