honor SPOT_BDD_TRACE

* spot/priv/bddalloc.cc: Add hooks on request.
* bin/man/spot-x.x, NEWS: Document the envvar.
This commit is contained in:
Alexandre Duret-Lutz 2017-07-24 12:08:07 +02:00
parent 361b44e571
commit d12b2cd5b0
3 changed files with 58 additions and 5 deletions

View file

@ -39,6 +39,11 @@ This naive method tries to reduce the size of the automaton one state at a
time. Note that it restarts all the encoding each time.
[ENVIRONMENT VARIABLES]
.TP
\fBSPOT_BDD_TRACE\fR
If this variable is set to any value, statistics about BDD garbage
collection and resizing will be output on standard error.
.TP
\fBSPOT_DEFAULT_FORMAT\fR
Set to a value of \fBdot\fR or \fBhoa\fR to override the default