dlopen does not search the path

Christopher Faylor cgf-no-personal-reply-please@cygwin.com
Fri Jun 3 01:14:00 GMT 2005

On Fri, Jun 03, 2005 at 12:33:55AM +0100, Adye, TJ (Tim) wrote:
>On 26 May 2005, Christopher Faylor wrote:
>> I've made a new version of the Cygwin DLL and associated utilities
>> available for download.  As usual, a list of what has changed 
>> is below.
>> [...]
>> cgf: Make dlopen search /usr/bin (for Windows compatibility) 
>> and /usr/lib (for UNIX compatibility).
>The change seems to be a bit more drastic than that implies to me. I
>believe that previously dlopen searched $PATH before, but it doesn't any
>I have a Cygwin program that loads a Windows DLL (afsauthent.dll) that
>it used to find via the $PATH (found in C:\Program Files\OpenAFS\Common,
>which OpenAFS adds to the Windows PATH, and is inherited by Cygwin).
>That stopped working recently (Win32 error 126), probably when I updated
>to cygwin-1.5.17-1 (I can check if this is in any doubt).
>I can get it working again if I add /cygdrive/c/Program
>Files/OpenAFS/Common to $LD_LIBRARY_PATH by hand.
>Is this change deliberate? I would have thought that "Windows
>compatibility" ought to include searching the PATH.

It was not deliberate and, in fact, the change in behavior had nothing
to do with the change to make dlopen search /usr/bin and /usr/lib.  It
was, however, another change of mine so I still have to take the blame.

I've checked in a fix.  It will be in the next snapshot.


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