anchor.diff:  ;; ensure ros's path in  env PATH
   ;; instead of "sh" "sh -l" to use for WIN32.
   
  -(defvar *mingw-get-files* '("mingw-get-0.6.2-mingw32-beta-20131004-1-bin.tar.xz"
  -                            "mingw-get-0.6.2-mingw32-beta-20131004-1-lic.tar.xz"
  -                            "mingw-get-setup-0.6.2-mingw32-beta-20131004-1-dll.tar.xz"
  +(defvar *mingw-get-files* '(;;"mingw-get-0.6.2-mingw32-beta-20131004-1-bin.tar.xz"
  +                            ;;"mingw-get-0.6.2-mingw32-beta-20131004-1-lic.tar.xz"
  +                            ;;"mingw-get-setup-0.6.2-mingw32-beta-20131004-1-dll.tar.xz"
                               "mingw-get-setup-0.6.2-mingw32-beta-20131004-1-xml.tar.xz"))
   
   (defvar *mingw* #-x86-64 "mingw32" #+x86-64 "mingw64")
  
positive.code: (defvar *mingw-w64-files*
    #-x86-64 '("http://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Personal%20Builds/mingw-builds/4.9.2/threads-win32/dwarf/i686-4.9.2-release-win32-dwarf-rt_v3-rev1.7z/download")
    #+x86-64 '("http://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win64/Personal%20Builds/mingw-builds/4.9.2/threads-win32/seh/x86_64-4.9.2-release-win32-seh-rt_v3-rev1.7z/download"))
  
  (defun msys-setup-fstab (argv)
    (let ((path (merge-pathnames (format nil "impls/~A/~A/~A/~A/~A" (uname-m) (uname) "msys" *mingw* (format nil "~A-w64-mingw32"
  
negative.code: (in-package :ros.install)
  #-win32
  (progn
    (warn "msys is only required on windows"))
  
  (ros:quicklisp :environment nil)
  (ql:quickload '(:cxml) :silent t)
  
  ;; experiments... on repl
  ;;(setq *ros-path* "C:/MinGW/msys/1.0/local/bin/ros")
  