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Date:	Wed, 6 Aug 2003 14:29:44 -0700
From:	"David A. Case" <case AT scripps DOT edu>
To:	cygwin AT cygwin DOT com
Subject:	Re: What is the minimum needed to run gtar?
Message-ID:	<20030806212944.GA472@scripps.edu>
References:	<3D5E0EA708C5DD44B7575859D366728C2DC29D AT svr-orw-exc-02 DOT wv DOT mentorg DOT com> <3F3150CF DOT 1F053532 AT acm DOT org>
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On Wed, Aug 06, 2003, David Rothenberger wrote:
> 
> You can find out what DLLs an executable needs by running cygcheck on it.

Note that this may not give a complete list.  Consider rxvt.exe:

quine% cygcheck rxvt.exe
Found: .\rxvt.exe
Found: C:\cygwin\bin\rxvt.exe
rxvt.exe
  .\cygwin1.dll
    C:\WINDOWS\System32\KERNEL32.dll
      C:\WINDOWS\System32\ntdll.dll
  C:\WINDOWS\System32\USER32.dll
    C:\WINDOWS\System32\GDI32.dll
      C:\WINDOWS\System32\ADVAPI32.dll
        C:\WINDOWS\System32\RPCRT4.dll


This might suggest that only cygwin1.dll is needed (besides the windows
stuff).  However, continuing (in X, with DISPLAY set):

quine% cd /usr/X11R6/bin
quine% mv libX11.dll libX11.dll~
quine% back
/bin
quine% ./rxvt.exe
failed to load libX11.dll

Putting libX11.dll~ back to its original name again allows rxvt.exe to run
correctly.  Thus in this case (at least) cygcheck is not finding _all_ of the
dll's that are needed.

...dave case



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