[x265] Building on Cygwin

[Stephen Hutchinson]

On 11/4/2015 7:29 PM, Phil Rosenberg wrote:
> The advantage of Cygwin when building open source code is having
> access to a package manager and Linux-like environment. So in my case
> when building ffmpeg with a number of additional dependencies I could
> install most dependencies with the package manager and easily build
> the rest then build ffmpeg using standard the standard ./configure,
> make, make install. This was an order of magnitude easier than trying
> to build via visual studio (which I ordinarily prefer) and
> significantly easier than having to build all the dependancies (and
> their dependancies...) with MinGW.
The package management argument doesn't hold up anymore,
considering the advent of msys2 a couple years ago.  Even uses
a Windows port of Arch Linux's pacman to do it.

And as far as I'm aware, FFmpeg hasn't added *.vcxproj or *.sln
files, so compiling it with Visual Studio still requires entering
an MSys(2) environment (maybe just entering the Bourne shell)
from the VS Command Prompt and then using --toolchain=msvc
during ./configure.  So even at that, msys2 should have you
covered on the deps front.