#12729: decrease the size of SAGE_ROOT/install.log
---------------------------+------------------------------------------------
   Reporter:  jhpalmieri   |             Owner:  GeorgSWeber  
       Type:  enhancement  |            Status:  new          
   Priority:  minor        |         Milestone:  sage-5.0     
  Component:  build        |          Keywords:               
Work issues:               |   Report Upstream:  N/A          
  Reviewers:               |           Authors:  John Palmieri
  Merged in:               |      Dependencies:  #12369       
   Stopgaps:               |  
---------------------------+------------------------------------------------
 The main install.log file is huge, and most of its contents are
 reproduced, more helpfully, in the individual log files in spkg/log/. The
 attached patch removes most of its contents.

 I modified the mpir package so it would fail, and then built Sage with
 this patch. The install.log file looked like this:
 {{{
 Installing GCC because your 'gcc' is not so recent.
 Installing GCC because a Fortran compiler is missing.
 *** ALL ENVIRONMENT VARIABLES BEFORE BUILD: ***

     [...snip...]

 ***********************************************
 dir-0.1: installing. Log file: SAGE_ROOT/spkg/logs/dir-0.1.log.
   dir-0.1: installed successfully.
 prereq-0.9: installing. Log file: SAGE_ROOT/spkg/logs/prereq-0.9.log.
   prereq-0.9: installed successfully.
 bzip2-1.0.5: installing. Log file: SAGE_ROOT/spkg/logs/bzip2-1.0.5.log.
   bzip2-1.0.5: installed successfully.
 patch-2.5.9.p2: installing. Log file:
 SAGE_ROOT/spkg/logs/patch-2.5.9.p2.log.
   patch-2.5.9.p2: installed successfully.
 iconv-1.13.1.p3: installing. Log file:
 SAGE_ROOT/spkg/logs/iconv-1.13.1.p3.log.
 zlib-1.2.5.p0: installing. Log file:
 SAGE_ROOT/spkg/logs/zlib-1.2.5.p0.log.
   iconv-1.13.1.p3: installed successfully.
 mpir-2.1.3.p9: installing. Log file:
 SAGE_ROOT/spkg/logs/mpir-2.1.3.p9.log.
   zlib-1.2.5.p0: installed successfully.
 make[1]: *** [installed/mpir-2.1.3.p9] Error 1

 real    0m38.531s
 user    0m17.554s
 sys     0m10.304s
 }}}
 On the screen, you do not see the list of environment variables or the
 status updates for each package ("PKG: installing. Log file ...");
 instead, you see the ongoing build process for each package, just the way
 things are now.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12729>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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