Modified appveyor.yml to generate binary for Windows with MinGW-64.

appveyor.yml

@@ -1,6 +1,6 @@
 environment:
   global:
-    PROJECT_NAME: rustfmt
+    PROJECT_NAME: neovim-gtk-win64
   matrix:
     - TARGET: x86_64-pc-windows-gnu
       RUST_VERSION: 1.22.1
@@ -10,6 +10,7 @@ install:
 #  - ps: $env:RUST_VERSION = Get-Content channel-rust-stable | select -first 1 | %{$_.split('-')[1]}
   - SET RUST_URL=https://static.rust-lang.org/dist/rust-%RUST_VERSION%-%TARGET%.exe
   - SET PATH=C:\Rust\bin;C:\msys64\mingw64\bin;%PATH%;C:\msys64\usr\bin
+  - SET PKG_CONFIG_PATH=C:\msys64\mingw64\lib\pkgconfig
   - ps: Start-FileDownload $env:RUST_URL -FileName rust-dist.exe
   - rust-dist.exe /VERYSILENT /NORESTART /COMPONENTS="Rustc,Gcc,Cargo,Std" /DIR="C:\Rust"
   - rustc -V
@@ -18,5 +19,34 @@ install:
 
 build_script:
   - cargo test
+  - cargo build --release
+
+after_build:
+  - cmd: >-
+      mkdir dist
+      
+      cd dist
+      
+      mkdir bin share lib
+      
+      mkdir share\glib-2.0 share\icons lib\gdk-pixbuf-2.0
+      
+      xcopy .\..\target\release\nvim-gtk.exe .\bin 1> nul
+      
+      for %%a in (C:\msys64\mingw64\bin\libatk-1.0-0.dll,C:\msys64\mingw64\bin\libbz2-1.dll,C:\msys64\mingw64\bin\libcairo-2.dll,C:\msys64\mingw64\bin\libcairo-gobject-2.dll,C:\msys64\mingw64\bin\libepoxy-0.dll,C:\msys64\mingw64\bin\libexpat-1.dll,C:\msys64\mingw64\bin\libffi-6.dll,C:\msys64\mingw64\bin\libfontconfig-1.dll,C:\msys64\mingw64\bin\libfreetype-6.dll,C:\msys64\mingw64\bin\libgcc_s_seh-1.dll,C:\msys64\mingw64\bin\libgdk-3-0.dll,C:\msys64\mingw64\bin\libgdk_pixbuf-2.0-0.dll,C:\msys64\mingw64\bin\libgio-2.0-0.dll,C:\msys64\mingw64\bin\libglib-2.0-0.dll,C:\msys64\mingw64\bin\libgmodule-2.0-0.dll,C:\msys64\mingw64\bin\libgobject-2.0-0.dll,C:\msys64\mingw64\bin\libgraphite2.dll,C:\msys64\mingw64\bin\libgtk-3-0.dll,C:\msys64\mingw64\bin\libharfbuzz-0.dll,C:\msys64\mingw64\bin\libiconv-2.dll,C:\msys64\mingw64\bin\libintl-8.dll,C:\msys64\mingw64\bin\libpango-1.0-0.dll,C:\msys64\mingw64\bin\libpangocairo-1.0-0.dll,C:\msys64\mingw64\bin\libpangoft2-1.0-0.dll,C:\msys64\mingw64\bin\libpangowin32-1.0-0.dll,C:\msys64\mingw64\bin\libpcre-1.dll,C:\msys64\mingw64\bin\libpixman-1-0.dll,C:\msys64\mingw64\bin\libpng16-16.dll,C:\msys64\mingw64\bin\libstdc++-6.dll,C:\msys64\mingw64\bin\libwinpthread-1.dll,C:\msys64\mingw64\bin\zlib1.dll) do xcopy %%a .\bin 1> nul
+      
+      xcopy C:\msys64\mingw64\share\glib-2.0 .\share\glib-2.0 /E 1> nul
+      
+      xcopy C:\msys64\mingw64\share\icons .\share\icons /E 1> nul
+      
+      xcopy C:\msys64\mingw64\lib\gdk-pixbuf-2.0 .\lib\gdk-pixbuf-2.0 /E 1> nul
+      
+      cd ..
+      
+      7z a nvim-gtk-mingw64.7z dist\* 
+
+artifacts:
+  - path: nvim-gtk-mingw64.7z
+    name: mingw64-bin
 
 test: false