[cmake-developers] [CMake 0014519]: 7z ( LZMA and LZMA2) support for cpack

Mantis Bug Tracker mantis at public.kitware.com
Tue Oct 29 01:26:04 EDT 2013


The following issue has been SUBMITTED. 
====================================================================== 
http://public.kitware.com/Bug/view.php?id=14519 
====================================================================== 
Reported By:                Ken Phillis
Assigned To:                
====================================================================== 
Project:                    CMake
Issue ID:                   14519
Category:                   CMake
Reproducibility:            N/A
Severity:                   feature
Priority:                   normal
Status:                     new
====================================================================== 
Date Submitted:             2013-10-29 01:26 EDT
Last Modified:              2013-10-29 01:26 EDT
====================================================================== 
Summary:                    7z ( LZMA and LZMA2) support for cpack
Description: 
The only option for windows ( zip ) is useless because it uses a compression
mechanism that does not shrink the files nearly enough for reasonable hosting. 

An Example of this is that win32 (using approximate size) is 693mb uncompressed,
158mb compressed and with the lzma2 (7z) method it winds up being 28mb
compressed. A win64 (also using approximate size) is about 785mb uncompressed,
229mb compressed ( zip), and 79mb using the lzma2 ( 7z ) format. Either way, the
compression ratio clearly shows that the compression can be vastly improved
because of the fact that there is over 130mb difference in the zip to lzma2
compression.
====================================================================== 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2013-10-29 01:26 Ken Phillis    New Issue                                    
======================================================================




More information about the cmake-developers mailing list