Mail Archives: cygwin/2009/01/21/22:30:49
Ray Simard wrote:
> Christopher Faylor wrote:
>> On Sun, Jan 11, 2009 at 08:28:25PM -0800, rhs DOT cygwin AT sylvan-glade DOT com wrote:
>>> Hello! I haven't been able to find anything about this in the archives.
>> ...
>
>>> shows, programs simply exit silently and unceremoniously when that happens.
>> That is fixed in Cygwin 1.7.x.
>
> Good news.
>>> Second, symlinking to DLLs doesn't enable programs to find them, as is
>>> also shown below.
>> Right. Symlinks are a Cygwin invention. Cygwin doesn't start running
>> until after DLLs are loaded. So, since Windows does not know about Cygwin
>> symlinks there is no way that they can be used to symlink DLLs.
>
> True; they are .lnk files with a special comment, IIRC. I'd just like to
> make sure I understand this. Suppose I compile bar.dll and
> libbar.dll.a, and then foo.exe with -lbar.dll, so it uses that DLL, and
> these are compiled entirely within the Cygwin environment (thus using
> Cygwin's gcc and related tools). I then launch it from the command line
> of a bash shell running in a Cygwin xterm. What I think you're saying is
> that there there is something that foo.exe needs to do before it can
> understand Cygwin symlinks, and that something is done sometime *after*
> it needs to actually load bar.dll, which prevents it from finding
> bar.dll if the DLL's name is actually bar-froob.dll and bar.dll is a
> symlink to it. Is that the idea?
Ah, not quite. DLLs are loaded by the O/S, not Cygwin. So if the O/S
can't find the DLL referenced, it won't load it. Since the O/S
doesn't know that Cygwin's bar.dll.lnk is a symbolic link to bar.dll,
it's not going to find bar.dll.
> If so, then it's just a matter of putting the real DLLs in the paths
> Windoze searches for them. Symlinks would be nice, but if you can't,
> you can't.
Right.
--
Larry Hall http://www.rfk.com
RFK Partners, Inc. (508) 893-9779 - RFK Office
216 Dalton Rd. (508) 893-9889 - FAX
Holliston, MA 01746
_____________________________________________________________________
A: Yes.
> Q: Are you sure?
>> A: Because it reverses the logical flow of conversation.
>>> Q: Why is top posting annoying in email?
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