Merge branch 'windows_installation' into 'master'

Windows installation description #24

See merge request filipg/geval!7

README.md

@@ -36,6 +36,8 @@ order to run `geval` you need to either add `$HOME/.local/bin` to
 
     PATH="$HOME/.local/bin" geval ...
 	
+In Windows you should add new global variable with name 'geval' and path should be the same as above.
+
 ### Troubleshooting
 
 If you see a message like this:
@@ -64,6 +66,31 @@ In case the lzma package is not installed on your Linux, you need to run (assumi
 
     sudo apt-get install pkg-config liblzma-dev libpq-dev libpcre3-dev
 	
+If you see this message on Windows during executing `stack test` command:
+
+	In the dependencies for geval-1.21.1.0:
+	    unix needed, but the stack configuration has no specified version
+	In the dependencies for lzma-0.0.0.3:
+	    lzma-clib needed, but the stack configuration has no specified version
+
+You should replace `unix` with `unix-compat` in `geval.cabal` file,
+because `unix` package is not supported for Windows.
+
+And you should add `lzma-clib-5.2.2` and `unix-compat-0.5.2` to section extra-deps in `stack.yaml` file.
+
+If you see message about missing pkg-config on Windpws you should download two packages from the site:
+http://ftp.gnome.org/pub/gnome/binaries/win32/dependencies/
+These packages are:
+		- pkg-config (newest version) 
+		- gettext-runtime (newest version)
+Extract `pkg-config.exe` file in Windows PATH
+Extract init.dll file from gettext-runtime
+
+You should also download from http://ftp.gnome.org/pub/gnome/binaries/win32/glib/2.28 glib package
+and extract libglib-2.0-0.dll file.
+
+All files you should put for example in `C:\MinGW\bin` directory.
+
 ### Plan B — just download the GEval binary
 
 (Assuming you have a 64-bit Linux.)
@@ -72,7 +99,17 @@ In case the lzma package is not installed on your Linux, you need to run (assumi
     chmod u+x geval
     ./geval --help
 
-This is a fully static binary, it should work on any 64-bit Linux.
+
+For Windows you should use Windows Powershell.
+
+	wget https://gonito.net/get/bin/geval
+
+Next you should go to the folder where you download `geval` and right-click to `geval` file.
+Go to `Properties` and in the section `Security` grant full access to the folder.
+
+Or you should use `icacls "folder path to geval" /grant USER:<username>`
+
+This is a fully static binary, it should work on any 64-bit Linux or 64-bit Windows.
 
 ## Quick tour