#11696: The libpng12 spkg should also create symbolic links from `libpng.*` for 
its
libraries
------------------------+---------------------------------------------------
   Reporter:  leif      |          Owner:  leif           
       Type:  defect    |         Status:  needs_work     
   Priority:  major     |      Milestone:  sage-4.7.2     
  Component:  packages  |       Keywords:  PNG libpng spkg
Work_issues:            |       Upstream:  N/A            
   Reviewer:            |         Author:  Leif Leonhardy 
     Merged:            |   Dependencies:                 
------------------------+---------------------------------------------------

Comment(by jhpalmieri):

 For the old libpng spkg, as part of a fresh Sage build:
 {{{
   -rwxr-xr-x    1 palmieri  admin    253536 Aug 16 15:27 libpng12.0.dylib
   -rw-r--r--    1 palmieri  admin    605960 Aug 16 18:49 libpng12.a
   lrwxr-xr-x    1 palmieri  admin        16 Aug 16 15:27 libpng12.dylib ->
 libpng12.0.dylib
   -rwxr-xr-x    1 palmieri  admin       981 Aug 16 18:49 libpng12.la
 }}}
 The later times are the same for all of the .a and .la files in
 SAGE_LOCAL/lib, which is the time when docbuilding finished and doctesting
 started (as part of "make ptestlong").  For the earlier example I posted,
 all of the symlinks `blah.dylib` have the same modification date, and I
 don't know what it corresponds to.  The last time I ran that copy of Sage?
 The last time I installed an spkg in that copy of Sage?

 For the new spkg, since the Sage build crashed, it didn't reach any of
 these stages.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11696#comment:10>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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