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Subject:	Re: distinguishing cygwin from mingw binaries
To:	cygwin AT cygwin DOT com
References:	<BN6PR2001MB1074F351B65B71F7B8B41143F1A90 AT BN6PR2001MB1074 DOT namprd20 DOT prod DOT outlook DOT com>
From:	cyg Simple <cygsimple AT gmail DOT com>
Message-ID:	<728bfde3-3608-3a81-131e-f012aaa6cdce@gmail.com>
Date:	Tue, 11 Jul 2017 10:37:48 -0400
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On 7/10/2017 1:40 PM, Nellis, Kenneth wrote:
> For my personal use, I use gcc to generate binaries, but occasionally I need 
> to make a binary available to someone who doesn't use Cygwin. For that I use 
> Cygwin's x86_64-w64-mingw32-gcc.
> 
> After the fact, I would like to know whether the binary requires Cygwin support 
> or not. One way is: strings foo.exe | grep cygwin1.dll
> 
> Curious what techniques others might use.
> 

I would use a --prefix or whatever defines the install directories in
your cases to be something easily recognizable and install it.  Then
execute a recursive grep on that folder.

grep -lir --binary-files=binary cygwin1.dll /my/install/dir

If a file is listed then you can decide what to do next.

-- 
cyg Simple

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