added: MSYS2 build for windows to readme

README.md

@@ -1,17 +1,26 @@
 # Gemstone
 
-Gemstone is a programming language compiler written in C with lex and yacc.
+Gemstone is a programming language compiler written in C based on flex and GNU bison.
+Is uses LLVM to produce optimized native binaries for many platforms.
 
 ## Dependencies (build)
 
 ### Windows 11
 
-For setup instruction see issue #30
+#### MSYS2
 
+Install MSYS2 under Windows 11. Open the MingGW64 environment.
 Requires:
+Install the following packages:
 - Microsoft Build Tools 2022 (includes: CMake, MSVC)
+```
 - WinFlexBison [find it here](https://github.com/lexxmark/winflexbison) (needs to be in PATH)
-
+pacman -S mingw-w64-x86_64-gcc mingw-w64-x86_64-glib2 bison flex mingw-w64-x86_64-llvm cmake git make
+```
+Clone the repository and build the gemstone compiler:
+```
+cmake . && make release
+```
 ### GNU/Linux
 
 Requires:
@@ -20,6 +29,8 @@ Requires:
 - Make
 - bison
 - flex
+- LLVM
+- Glib 2.0
 
 ## Writing Tests