cygwin-1.7 removed support for accepting win32 style pathnames. xemacs should follow.
The particular problem was file-truename returning a fabricated windows path, instead of the POSIX path, which for example failed the mule testsuite for me. diff -u xemacs-21.5.28/src/fileio.c.orig xemacs-21.5.28/src/fileio.c --- xemacs-21.5.28/src/fileio.c.orig 2007-02-22 17:19:43.000000000 +0100 +++ xemacs-21.5.28/src/fileio.c 2009-06-24 12:35:05.703125000 +0200 @@ -59,7 +59,11 @@ #endif /* HPUX */ #ifdef WIN32_ANY +#if (CYGWIN_VERSION_API_MINOR >= 181) +#undef WIN32_FILENAMES +#else #define WIN32_FILENAMES +#endif #include "syswindows.h" #define IS_DRIVE(x) isalpha (x) /* Need to lower-case the drive letter, or else expanded -- Reini Urban http://phpwiki.org/ http://murbreak.at/ -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple