While someone once wrote, "To set up an Xmingwin cross compiler use the script provided by Mo DeJong (a copy is available at [L1 ] (notice the one bogus newline in the middle of 'BASE_URL=...' which needs to be removed). This script downloads Xmingwin, builds it and installs under /usr/local/Xmingwin (you can edit the script and change the PREFIX variable if you want to install it elsewhere)", CL found that xmingwin.sh unworkable in October 2002. Here's another such script, which no Tcl-er has yet tried: http://www.astro.gla.ac.uk/users/paulm/Scripts/build-mingw-cross.sh