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Date: Thu, 12 Feb 2015 07:55:07 +0100
From: Christian Franke <Christian DOT Franke AT t-online DOT de>
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To: cygwin AT cygwin DOT com
Subject: Re: directories needed to make Cygwin portable
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Garegin Asatryan wrote:
> I want to run Cygwin (to run ddrescue, among other things) on WinPE.
> Which folders do I need from the Cygwin installation copied over.
> Someone mentioned just the cygwin1.dll, but apparently that's not
> enough. I tried the bin folder and ddrescue didn't throw any errors,
> off the bat. What about the dev, etc, home, and lib folders. Do I need
> them too?

For tools like ddrescue, which do not require external support files in 
/etc, /usr or /var, simply put the executable and the required Cygwin 
DDLs in the same directory. Use cygcheck to get a list of these DDLs.

ddrescue and smartctl: cyggcc_s-1.dll cygstdc++-6.dll cygwin1.dll
coreutils tools like dd, ls: cyggcc_s-1.dll cygiconv-2.dll cygintl-8.dll 
cygwin1.dll

I successfully tested Cygwin ddrescue in the Windows console of a Win7 
Recovery CD.

Christian


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