make does not update "built-by" timestamp for "DIRTY" source


Bugzilla Link	1192
Created on	May 01, 2017 20:22
Version	svn
OS	Linux
Architecture	PC

Extended Description

Subject line says it all:
sac2c -V returns an unchanged value after successful link
when source code is DIRTY. E.g.,
(link just executed)
sac2c -V
sac2c 1.2-beta-BlackForest-495-gee5c4-dirty
build-type: DEBUG
built-by: "sac" at 2017-04-30T17:19:36
sac@rattler:~/sac/testsuite/optimizations/plur$ date
Mon May  1 15:21:34 EDT 2017

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