> > Should this rebase maybe be a Cygwin, not MinGW version? > > (So that we can use POSIX paths with it?) > > No - you need to be able to rebase cygwin1.dll too. As far as I know is the cygwin1.dll not designed to be rebased. Anyway, what about putting both versions in a package a cygwin based and an mingw based ? The basic imagehelper library support both. Ralf