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Date: Tue, 19 Dec 2017 17:43:30 +0000 (UTC)
From: "Vijaya Subramanian via cygwin" <cygwin AT cygwin DOT com>
Reply-To: Vijaya Subramanian <vijaya612 AT yahoo DOT com>
To: The Cygwin Mailing List <cygwin AT cygwin DOT com>
Message-ID: <636587926.1255909.1513705410399@mail.yahoo.com>
Subject: Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else
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 Hi 
>On Sunday, December 3, 2017, 10:15:59 AM MST, Jon Turney wrote:

>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.
I checked /var/log/setup-full.log and found the below instances where libz4-1 was mentioned

package liblz4-devel comparing versions 131-1 and 131-1, result was 0
package liblz4_1 comparing versions 131-1 and 131-1, result was 0

package liblz4-devel comparing versions 1.7.5-1 and 131-1, result was -1

package liblz4_1 comparing versions 1.7.5-1 and 131-1, result was -1
2017/12/02 14:06:47 Adding required dependency liblz4_1: Selecting already-installed version .

2017/12/02 14:06:47 Changing gid back to original
So I am not sure why I get the following message when I run cmake:

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 directoryor why cygcheck cmake says:cygcheck: track_down: could not find cyglz4-1.dll
ThanksVijaya


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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