Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Vijaya Subramanian via cygwin]

 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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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Brian Inglis]

On 2017-12-19 10:43, Vijaya Subramanian via cygwin wrote:
> 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 directory
> or why cygcheck cmake says: cygcheck: track_down: could not find cyglz4-1.dll

Cygwin setup currently has problems upgrading when version numbers change
formats and a solution is being addressed by the volunteer maintainers.

You have to manually run Cygwin setup, find the liblz4 packages you have
installed, and select the new version number to be installed 1.7.5-1.

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else;manual install

[Vijaya Subramanian via cygwin]

  >On Tuesday, December 19, 2017, 11:36:08 AM MST, Brian Inglis <Brian.Inglis@SystematicSw.ab.ca> wrote: Cygwin setup currently has problems upgrading when version numbers >change
>formats and a solution is being addressed by the volunteer maintainers.

>You have to manually run Cygwin setup, find the liblz4 packages you have
>installed, and select the new version number to be installed 1.7.5-1.
Want to confirm setup-x86_64 -D liblz4-1 -q -g is what I input on the command line to upgrade the package?Do I have to install cmake again?Thanks in advanceVijaya


-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

    On Tuesday, December 19, 2017, 11:36:08 AM MST, Brian Inglis <Brian.Inglis@SystematicSw.ab.ca> wrote:  
 
 On 2017-12-19 10:43, Vijaya Subramanian via cygwin wrote:
> 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 directory
> or why cygcheck cmake says: cygcheck: track_down: could not find cyglz4-1.dll

Cygwin setup currently has problems upgrading when version numbers change
formats and a solution is being addressed by the volunteer maintainers.

You have to manually run Cygwin setup, find the liblz4 packages you have
installed, and select the new version number to be installed 1.7.5-1.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else;manual install

[Brian Inglis]

On 2017-12-19 22:47, Vijaya Subramanian wrote:
> On 2017-12-19 10:43, Vijaya Subramanian via cygwin wrote:
>>On Tuesday, December 19, 2017, 11:36:08 AM MST, Brian Inglis wrote:
>>> 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 directory
>>> or why cygcheck cmake says: cygcheck: track_down: could not find cyglz4-1.dll
>> Cygwin setup currently has problems upgrading when version numbers change
>> formats and a solution is being addressed by the volunteer maintainers.
>> You have to manually run Cygwin setup, find the liblz4 packages you have
>> installed, and select the new version number to be installed 1.7.5-1.
> Want to confirm setup-x86_64 -D liblz4-1 -q -g is what I input on the
> command line to upgrade the package? Do I have to install cmake again?
You can not use setup from the command line to upgrade to a different version
format: Cygwin currently has no way to specify a package version on the command
line like apt ... pkg=ver. You will just get the same messages and problems as
before.

You must download and run Setup interactively.
On the Select Packages panel, change View to |Full| or |Up To Date|;
in Search enter |liblz4|;
on each package line under column New, click until the version to be installed
reads 1.7.5-1;
click the [Clear] button;
change View to |Pending| to verify the version;
then click [Next] to upgrade.

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Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else;manual install solved problem.

[Vijaya Subramanian via cygwin]

Thanks a lot. This worked but only with the new version of setup.exe that is out right now.
 

    On Tuesday, December 19, 2017, 11:22:39 PM MST, Brian Inglis <Brian.Inglis@SystematicSw.ab.ca> wrote:  
 
 On 2017-12-19 22:47, Vijaya Subramanian wrote:
> On 2017-12-19 10:43, Vijaya Subramanian via cygwin wrote:
>>On Tuesday, December 19, 2017, 11:36:08 AM MST, Brian Inglis wrote:
>>> 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 directory
>>> or why cygcheck cmake says: cygcheck: track_down: could not find cyglz4-1.dll
>> Cygwin setup currently has problems upgrading when version numbers change
>> formats and a solution is being addressed by the volunteer maintainers.
>> You have to manually run Cygwin setup, find the liblz4 packages you have
>> installed, and select the new version number to be installed 1.7.5-1.
> Want to confirm setup-x86_64 -D liblz4-1 -q -g is what I input on the
> command line to upgrade the package? Do I have to install cmake again?
You can not use setup from the command line to upgrade to a different version
format: Cygwin currently has no way to specify a package version on the command
line like apt ... pkg=ver. You will just get the same messages and problems as
before.

You must download and run Setup interactively.
On the Select Packages panel, change View to |Full| or |Up To Date|;
in Search enter |liblz4|;
on each package line under column New, click until the version to be installed
reads 1.7.5-1;
click the [Clear] button;
change View to |Pending| to verify the version;
then click [Next] to upgrade.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else;manual install solved problem.

[Brian Inglis]

On 2017-12-20 17:08, Vijaya Subramanian wrote:
> Thanks a lot. This worked but only with the new version of setup.exe that is out
> right now.
> 
> 
> On Tuesday, December 19, 2017, 11:22:39 PM MST, Brian Inglis
> <Brian.Inglis@SystematicSw.ab.ca> wrote:
> 
> 
> On 2017-12-19 22:47, Vijaya Subramanian wrote:
>> On 2017-12-19 10:43, Vijaya Subramanian via cygwin wrote:
>>>On Tuesday, December 19, 2017, 11:36:08 AM MST, Brian Inglis wrote:
>>>> 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 directory
>>>> or why cygcheck cmake says: cygcheck: track_down: could not find cyglz4-1.dll
>>> Cygwin setup currently has problems upgrading when version numbers change
>>> formats and a solution is being addressed by the volunteer maintainers.
>>> You have to manually run Cygwin setup, find the liblz4 packages you have
>>> installed, and select the new version number to be installed 1.7.5-1.
>> Want to confirm setup-x86_64 -D liblz4-1 -q -g is what I input on the
>> command line to upgrade the package? Do I have to install cmake again?
> You can not use setup from the command line to upgrade to a different version
> format: Cygwin currently has no way to specify a package version on the command
> line like apt ... pkg=ver. You will just get the same messages and problems as
> before.
> 
> You must download and run Setup interactively.
> On the Select Packages panel, change View to |Full| or |Up To Date|;
> in Search enter |liblz4|;
> on each package line under column New, click until the version to be installed
> reads 1.7.5-1;
> click the [Clear] button;
> change View to |Pending| to verify the version;
> then click [Next] to upgrade.

It worked when I did it with earlier setup on 2017-09-05.

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Jon Turney]

On 19/12/2017 18:35, Brian Inglis wrote:
> On 2017-12-19 10:43, Vijaya Subramanian via cygwin wrote:
>> 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 directory
>> or why cygcheck cmake says: cygcheck: track_down: could not find cyglz4-1.dll
> 
> Cygwin setup currently has problems upgrading when version numbers change
> formats and a solution is being addressed by the volunteer maintainers.
> 
> You have to manually run Cygwin setup, find the liblz4 packages you have
> installed, and select the new version number to be installed 1.7.5-1.

Of itself, this is not an explanation for a missing cyglz4-1.dll, as it 
is contained in both versions of the package (even if the package 
version has changed, the soversion doesn't change) (compare the package 
contents seen at [1])

[1] https://cygwin.com/packages/x86_64/liblz4_1/

setup thinks liblz4_1 is already installed, so doesn't install it again.

 >> 2017/12/02 14:06:47 Adding required dependency liblz4_1: Selecting 
already-installed version .

This is weird, since it seems to indicate that PrereqChecker::isMet() 
noted it as needing to be installed, but that 
PrereqChecker::selectMissing() thinks it is already installed.

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Vijaya Subramanian via cygwin]

Hi,I found two instances of liblz4-1 (the old version 131) installed in the following directory.windows c:/cygwin65/usr/x86_64-w64-mingw32/sys-root/mingw/binDo you think that is what is causing the problem?
When I update cygwin, I believe I updated all the recommended packages including mingw.
I believe I tried installing liblz4-1 using the method Brian mentioned already and that it didn't work, I'll try again.
ThanksVijaya
 

    On Wednesday, December 20, 2017, 7:08:18 AM MST, Jon Turney <jon.turney@dronecode.org.uk> wrote: 
On 19/12/2017 18:35, Brian Inglis wrote:
> On 2017-12-19 10:43, Vijaya Subramanian via cygwin wrote:
>> 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 directory
>> or why cygcheck cmake says: cygcheck: track_down: could not find cyglz4-1.dll
> 
> Cygwin setup currently has problems upgrading when version numbers change
> formats and a solution is being addressed by the volunteer maintainers.
> 
> You have to manually run Cygwin setup, find the liblz4 packages you have
> installed, and select the new version number to be installed 1.7.5-1.

Of itself, this is not an explanation for a missing cyglz4-1.dll, as it 
is contained in both versions of the package (even if the package 
version has changed, the soversion doesn't change) (compare the package 
contents seen at [1])

[1] https://cygwin.com/packages/x86_64/liblz4_1/

setup thinks liblz4_1 is already installed, so doesn't install it again.

 >> 2017/12/02 14:06:47 Adding required dependency liblz4_1: Selecting 
already-installed version .

This is weird, since it seems to indicate that PrereqChecker::isMet() 
noted it as needing to be installed, but that 
PrereqChecker::selectMissing() thinks it is already installed.

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Ken Brown]

[Please don't top-post on this list.]

On 12/20/2017 1:05 PM, Vijaya Subramanian via cygwin wrote:
> Hi,I found two instances of liblz4-1 (the old version 131) installed in the following directory.windows c:/cygwin65/usr/x86_64-w64-mingw32/sys-root/mingw/binDo you think that is what is causing the problem?

No.

> When I update cygwin, I believe I updated all the recommended packages including mingw.
> I believe I tried installing liblz4-1 using the method Brian mentioned already and that it didn't work, I'll try again.

Do you have any anti-virus software running that might have removed 
cyglz4-1.dll?

Ken

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Vijaya Subramanian via cygwin]

Is there any reason why Norton would have removed only one dll and left all the others alone?
 

    On Wednesday, December 20, 2017, 1:16:05 PM MST, Ken Brown <kbrown@cornell.edu> wrote:  
 
 [Please don't top-post on this list.]

On 12/20/2017 1:05 PM, Vijaya Subramanian via cygwin wrote:
> Hi,I found two instances of liblz4-1 (the old version 131) installed in the following directory.windows c:/cygwin65/usr/x86_64-w64-mingw32/sys-root/mingw/binDo you think that is what is causing the problem?

No.

> When I update cygwin, I believe I updated all the recommended packages including mingw.
> I believe I tried installing liblz4-1 using the method Brian mentioned already and that it didn't work, I'll try again.

Do you have any anti-virus software running that might have removed 
cyglz4-1.dll?

Ken

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Ken Brown]

[Once again, please don't top-post on this list.]

On 12/20/2017 3:48 PM, Vijaya Subramanian wrote:
> Is there any reason why Norton would have removed only one dll and left 
> all the others alone?

I have no idea.  Do you know that none of the others are missing?  Does 
'cygcheck -c' show that all packages are OK other than liblz4_1?

Ken


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cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Vijaya Subramanian via cygwin]

Hello,
I am trying to update cmake and other packages. I ran a complete update of 
all packages on my cyqwin distribution. 
Cmake updates but the required dll, cyglz4_1.dll,  is not installed in /usr/bin.Nor is it in any other location.
 I uninstalled cmake and installed it again but the setup_x86-64.exe still says it has installed the cyglz4_1.dll file but it 
does not exist on my computer. I have looked for solutions but not found one 
that works. I have also downloaded the cmake package from different sites but no difference.

cygcheck cmake gives me the following:

cygcheck: track_down: could not find cyglz4-1.dll

Can anyone tell me how I can get this file to install correctly?
Thanks
Vijaya

    * 

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Marco Atzeri]

On 03/12/2017 00:30, Vijaya Subramanian via cygwin wrote:
> Hello,
> I am trying to update cmake and other packages. I ran a complete update of
> all packages on my cyqwin distribution.
> Cmake updates but the required dll, cyglz4_1.dll,  is not installed in /usr/bin.Nor is it in any other location.
>   I uninstalled cmake and installed it again but the setup_x86-64.exe still says it has installed the cyglz4_1.dll file but it
> does not exist on my computer. I have looked for solutions but not found one
> that works. I have also downloaded the cmake package from different sites but no difference.
> 
> cygcheck cmake gives me the following:
> 
> cygcheck: track_down: could not find cyglz4-1.dll
> 
> Can anyone tell me how I can get this file to install correctly?

  $ cygcheck -p cyglz4-1.dll
Found 4 matches for cyglz4-1.dll
liblz4_1-1.7.5-1 - liblz4_1: LZ4 de/compressor
liblz4_1-131-1 - liblz4_1: LZ4 de/compressor (installed binaries and 
support files)
..

you need to reinstall the liblz4_1 package

> Thanks
> Vijaya

regards
Marco

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[cyg Simple]

On 12/3/2017 4:46 AM, Marco Atzeri wrote:
> On 03/12/2017 00:30, Vijaya Subramanian via cygwin wrote:
>> Hello,
>> I am trying to update cmake and other packages. I ran a complete
>> update of
>> all packages on my cyqwin distribution.
>> Cmake updates but the required dll, cyglz4_1.dll,  is not installed in
>> /usr/bin.Nor is it in any other location.
>>   I uninstalled cmake and installed it again but the setup_x86-64.exe
>> still says it has installed the cyglz4_1.dll file but it
>> does not exist on my computer. I have looked for solutions but not
>> found one
>> that works. I have also downloaded the cmake package from different
>> sites but no difference.
>>
>> cygcheck cmake gives me the following:
>>
>> cygcheck: track_down: could not find cyglz4-1.dll
>>
>> Can anyone tell me how I can get this file to install correctly?
> 
>  $ cygcheck -p cyglz4-1.dll
> Found 4 matches for cyglz4-1.dll
> liblz4_1-1.7.5-1 - liblz4_1: LZ4 de/compressor
> liblz4_1-131-1 - liblz4_1: LZ4 de/compressor (installed binaries and
> support files)
> ..
> 
> you need to reinstall the liblz4_1 package
> 

One might ask that if setup stated it updated the package why it doesn't
exist and why reinstalling it would be needed?

-- 
cyg Simple

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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Achim Gratz]

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?

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.


Regards,
Achim.
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Wavetables for the Terratec KOMPLEXER:
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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Jon Turney]

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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Re: cmake install; required cyglz4-1.dll not installed in /usr/bin or anywhere else

[Jon Turney]

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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