Just updated my Cygwin. If I use cp to copy a file, in this case an executable, I get "This program cannot be run in DOS mode" when I try to run the copied file.
The copied file also now differs from the original.
$ ls -l /bin/sum.exe -rwxr-x---+ 1 sam Users 26624 Dec 21 02:32 /bin/sum.exe
$ cp /bin/sum.exe copysum.exe
$ ls -l copysum.exe -rwxr-x--- 1 sam None 26713 Dec 22 14:35 copysum.exe
$ cmp /bin/sum.exe copysum.exe /bin/sum.exe copysum.exe differ: char 119, line 1
$ ./copysum.exe This program cannot be run in DOS mode.
Anybody else experiencing this? I have tested this out on three different computers that have been updated today, all produce the same results. On a box thats running the older cygwin, cp copies the files exactly and I have no trouble running them.
Thanks, Sam
Works fine for me. Maybe you'd better do
$ which cp $ which ls
Oh, and maybe
$ alias cp $ alias ls
...just to see what's happening.
...and for good measure,
$ /bin/sum.exe
You may find that /bin/sum.exe is *not* what you run when you run "sum".
FYI, for me, running sum or ./copysum.exe just hangs, it is waiting for stdin. So I ran the --version option to each, just to see them do something.
HTH
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