[Deprecated] Building using VS 2015

Deprecated as of August 2023 by https://github.com/PowerShell/openssh-portable/pull/677.

Please see https://github.com/PowerShell/Win32-OpenSSH/wiki/Building-OpenSSH-for-Windows-(using-LibreSSL-crypto) for up-to-date instructions.

Building using Visual Studio 2015

Download and Install VS 2015 Community Edition

Clone https://github.com/PowerShell/openssh-portable

Download the latest PowerShell LibreSSL release and copy LibreSSL folder to $openssh-portable\contrib\win32\openssh.

Open "contrib\win32\openssh\Win32-OpenSSH.sln" in Visual Studio and continue building Win32-OpenSSH binaries

If you see crt headers related errors on recompilations, try deleting the following file, and do a clean build subsequently

contrib\win32\win32compat\inc\crtheaders.h