[Scons-users] **JUNK** Bug - scons runs biber every time pdflatex compiles

[Abid H. Mujtaba]

I am running scons on Arch Linux 1.4 (also Ubuntu 14.04).


scons --version:

SCons by Steven Knight et al.:
     script: v2.4.1.rel_2.4.1:3453:73fefd3ea0b0, 2015/11/09 03:25:05, by 
bdbaddog on ubuntu1404-32bit
     engine: v2.4.1.rel_2.4.1:3453:73fefd3ea0b0, 2015/11/09 03:25:05, by 
bdbaddog on ubuntu1404-32bit
     engine path: ['/usr/lib/python2.7/site-packages/SCons']

pdflatex --version: pdfTeX 3.14159265-2.6-1.40.16 (TeX Live 2015/Arch 
Linux)  (additional lines)

biber --version: biber version: 2.4


If a .bib file is present and the latex project contains a bibliography 
then scons runs 'biber' everytime 'pdflatex' is run, even when nothing 
has been changed bibliographically and 'biber' shouldn't be run.

I am including an MWE. Runs scons once. Then change test.tex by adding a 
word or two but DO NOT change the citation. Running 'scons' again will 
run 'pdflatex', then 'biber' then 'pdflatex' again even though pdflatex 
should be run only once.
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