I just noticed my patch uses 0755 instead of 0775 as well - I'm not sure why you'd give group write access but that's what the original does.
Regards Steve On 20 December 2010 19:22, Tor Lillqvist <tlillqv...@novell.com> wrote: > >>> On 2010-12-20 at 10:06, <stev...@kjross.com.au> wrote: > > Without knowing much about it, I'd assumed that it might have set the > "Read > > & Execute" permission on the windows file. > > Note that file protection (and protection of all other "objects", too) is > not anything like the POSIX set of rwx permissions for owner, group and > others. Windows uses ACLs for evertything. Windows ACLs are very different > than POSIX and can be boundlessly complex (as opposed to the fixed set of > mode bits in POSIX). Cygwin programs running on a Windows machine kinda live > in a separate world from normal Win32 programs running on the machine. > > Cygwin, as it is a POSIX emulation layer, or actually more like a hosted > guest OS layer, has to emulate the POSIX rwxrwxrwx bits by creating such a > view "out of thin air" as a "best guess" for existing files. When setting > the POSIX mode of a new file created by a Cygwin program, or moduifying it > with the Cygwin chmod() "system call", it has to create a potentially quite > obscure ACL to get the intended semantic end result as viewed from the > Cygwin universe. > > And when I say obscure, I do mean it; that if you manipulate the same files > using both Cygwin chmod etc commands, and normal Windows Explorer protection > setting GUI, you can end up in very weird situations. > > As the DLLs in question that the installer-builder handles are not related > to Cygwin at all, have been created by Win32 programs like the MS linker > etc, and are to be used by a Win32 program (LibreOffice), I fail to see why > any manipulation of their (emulated) Cygwin mode would be needed at all. > > --tml > > > -- Regards, Steve Butler
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