Update readme

readme.md

@@ -1,12 +1,13 @@
 Megasource is a CMake-buildable collection of all [LÖVE][love2d] dependencies.
 
-It currently only works on Windows, but will also work on OSX. It could certainly also work on Linux, but good package managers makes megasource less relevant there.
+It is currently only officially supported on Windows, but may also work on macOS. It could certainly also work on Linux, but good package managers makes megasource less relevant there.
 
 Prerequisites
 -------------
 
  - Windows.
- - [Visual Studio 2013 (Express)][vs2013] preferably for desktop. VS 2015 and 2017 also work, but they have 40 more runtime DLLs distributed with love compared to VS 2013.
+ - LOVE 12+: [Visual Studio 2019][vs2019].
+ - LOVE 11 and older: [Visual Studio 2013, 2015, or 2017][oldvs]. Official builds of LOVE 11 and older use Visual Studio 2013.
  - [CMake 3.1][cmake] or greater.
  - [NSIS][nsis] if you want to build the LÖVE installer.
 
@@ -17,17 +18,17 @@ To build just the dependencies:
 
 	$ hg clone https://bitbucket.org/rude/megasource megasource
 	$ cd megasource
-	$ cmake -G "Visual Studio 12" -H. -Bbuild
+	$ cmake -G "Visual Studio 16 2019" -A Win32 -H. -Bbuild
 	$ cmake --build build --target megatest --config Release
 
-... or you can of course open the solution file in Visual Studio and build from there instead of invoking cmake --build.
+... or you can open the solution file in Visual Studio and build from there instead of invoking cmake --build.
 
 If you want to build [LÖVE][love2d], clone LÖVE into the *libs* folder. Megasource will automatically look for it there. E.g.:
 
 	$ hg clone https://bitbucket.org/rude/megasource megasource
 	$ cd megasource
 	$ hg clone https://bitbucket.org/rude/love libs/love
-	$ cmake -G "Visual Studio 12" -H. -Bbuild
+	$ cmake -G "Visual Studio 16 2019" -A Win32 -H. -Bbuild
 	$ cmake --build build --target love/love --config Release
 
 The binaries can be found in *build/love/Release*.
@@ -39,8 +40,7 @@ If you want to build the installer, replace the previous build command with:
 A zip with the binaries and the installer will appear in *build*.
 
 [love2d]: http://love2d.org
-[dxsdk]: http://www.microsoft.com/en-us/download/details.aspx?id=6812
 [cmake]: http://www.cmake.org/
 [nsis]: http://nsis.sourceforge.net
-[vs2013]: https://www.visualstudio.com/en-us/products/visual-studio-express-vs.aspx
-[s1023]: http://stackoverflow.com/questions/4102259/directx-sdk-june-2010-installation-problems-error-code-s1023
+[vs2019]: https://visualstudio.microsoft.com/downloads/
+[oldvs]: https://visualstudio.microsoft.com/vs/older-downloads/