Building OpenSSL for Windows

These steps were sourced from ​http://www.magicsplat.com/blog/building-openssl-tls/

Install Dependencies

• ​ActivePerl
• ​nasm
• ​MS VC++ Compiler for Python

Build

• Extract OpenSSL source and navigate to it in VC++ prompt.

• In Visual C++ 2008 32-bit Command Prompt:

  set PATH=C:\Users\IEUser\AppData\Local\nasm;%PATH%
  perl Configure VC-WIN32 --prefix=C:\OpenSSL-Win32
  ms\do_nasm
  nmake -f ms\ntdll.mak
  nmake -f ms\ntdll.mak test
  nmake -f ms\ntdll.mak install
  

Precompiled

There are precompiled but need to ensure the compiler is msvc 9.0 (2008) along with the openssl include and lib folders for libtorrent to link to.

• ​http://www.npcglib.org/~stathis/blog/precompiled-openssl/
• ​https://indy.fulgan.com/SSL/?C=M;O=A