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Date: Thu, 26 May 2005 13:22:46 -0400
From: Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: dlopen and cygcheck inconsistency
Message-ID: <20050526172246.GN5619@trixie.casa.cgf.cx>
Reply-To: cygwin AT cygwin DOT com
References: <20050522024920 DOT 6281 DOT qmail AT web31715 DOT mail DOT mud DOT yahoo DOT com>
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On Sat, May 21, 2005 at 07:49:20PM -0700, Sunil wrote:
>Hi,
>
>cygcheck also searches the `basename <arg1>` for
>dependent DLLs while dlopen requires PATH to be set to
>open the DLL. One of them should be corrected to make
>life consistent. example is as follows:
>
>$ cygcheck /usr/lib/gstreamer-0.8/cyggstossaudio.dll
>C:/cygwin/lib/gstreamer-0.8/cyggstossaudio.dll
>  C:/cygwin/lib/gstreamer-0.8\cyggstaudio.dll
>    C:\cygwin\bin\cygwin1.dll
>      C:\WINDOWS\System32\ADVAPI32.DLL
>        C:\WINDOWS\System32\ntdll.dll
>        C:\WINDOWS\System32\KERNEL32.dll
>        C:\WINDOWS\System32\RPCRT4.dll
>    C:\cygwin\bin\cygglib-2.0-0.dll
>      C:\cygwin\bin\cygiconv-2.dll
>      C:\cygwin\bin\cygintl-3.dll
>    C:\cygwin\bin\cyggobject-2.0-0.dll
>    C:\cygwin\bin\cyggstreamer-0.8-1.dll
>      C:\cygwin\bin\cyggmodule-2.0-0.dll
>      C:\cygwin\bin\cyggthread-2.0-0.dll
>      C:\cygwin\bin\cygpopt-0.dll
>      C:\cygwin\bin\cygxml2-2.dll
>        C:\cygwin\bin\cygz.dll
>  C:\cygwin\bin\cyggstinterfaces-0.8-0.dll
>
>dlopen on /usr/lib/gstreamer-0.8/cyggstossaudio.dll
>fails(with win32 error 126) if /usr/lib/gstreamer-0.8
>is not in PATH, probably because cyggstaudio.dll is in
>there.

cygcheck follows the normal Windows conventions for locating a DLL since
this reflects how a program finds "statically loaded" DLLs.  dlopen
follows the normal UNIX conventions for locating a shared library,
*except* that I just noticed that it is not searching /usr/lib by
default.  It should be.

Otherwise this is all working as designed, AFAICT.

cgf

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