--- gforth/configure.in	2003/01/27 08:03:46	1.106
+++ gforth/configure.in	2003/01/27 22:00:10	1.108
@@ -295,23 +295,19 @@ AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$
 AC_SUBST(disasm_fs)
 
 case "$host_os" in
-	*win32)
-		EXE=".exe"
-		DIRSEP="\\"
+	*win32|cygwin)
+		DIRSEP="\\\\"
 		;;
 	*darwin*)
 		#Darwin uses some funny preprocessor by default; eliminate it:
 		AC_MSG_NOTICE([using -traditional-cpp on Darwin])
 		CFLAGS="$CFLAGS -traditional-cpp"
-		EXE=""
 		DIRSEP="/"
 		;;
 	*)
-		EXE=""
 		DIRSEP="/"
 		;;
 esac
-AC_SUBST(EXE)
 AC_SUBST(DIRSEP)
 AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])