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Subject: Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else
To: The Cygwin Mailing List <cygwin AT cygwin DOT com>
References: <1025849766 DOT 461853 DOT 1512257412645 DOT ref AT mail DOT yahoo DOT com> <1025849766 DOT 461853 DOT 1512257412645 AT mail DOT yahoo DOT com> <0c8e758c-ae5f-b451-79a2-5a6cd2906a69 AT gmail DOT com> <7f03885d-5866-57ff-7400-09ad0b392186 AT gmail DOT com> <87bmjf4u3f DOT fsf AT Rainer DOT invalid> <e7f75d0c-9f90-9ecb-f02f-2b94602a7b68 AT dronecode DOT org DOT uk> <932804728 DOT 1590238 DOT 1512434228876 AT mail DOT yahoo DOT com>
Cc: Vijaya Subramanian <vijaya612 AT yahoo DOT com>
From: Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
Message-ID: <85f757cd-dfeb-8857-f5cf-85047b939e40@dronecode.org.uk>
Date: Tue, 5 Dec 2017 12:29:34 +0000
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Please read http://cygwin.com/problems.html#personal-email, particularly 
the section starting "Shouldn't I just send email to straight to a 
Cygwin developer or package maintainer?"

On 05/12/2017 00:37, Vijaya Subramanian wrote:
> When I try to run cmake, I get the following error message:
> C:/cygwin64/bin/cmake.exe: error while loading shared libraries: ?: cannot open shared object file: No such file or directory
>   
> I found online that the solution was run "cygcheck cmake" and see if there are missing dll files. It does say cyglz4_1.dll is missing.If there is any other reason why running cmake gives the above error message, I'ld be happy to implement the solution/fix.
> Thanks in advanceVijaya

The dependency on liblz4 exists, so setup should have installed this 
package.

It might be worthwhile looking at /var/log/setup to see if there are any 
indications of why this didn't happen.

>      On Sunday, December 3, 2017, 10:15:59 AM MST, Jon Turney wrote:
>   
>   On 03/12/2017 17:08, Achim Gratz wrote:
>> cyg Simple writes:
>>> One might ask that if setup stated it updated the package why it doesn't
>>> exist and why reinstalling it would be needed?
> 
> Perhaps setup has bugs? :)
> 
>> The real question is:  Why does cmake not require liblz4_1 if it depends
>> on it?  That is the most likely reason why the package wasn't installed
>> to begin with and hence an update wouldn't do anything about it.
> 
> The dependency is cmake -> libarchive13 -> liblz4_1


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