DRAW_GRAPH_PORT environment variable added

diff --git a/helm/graphs/tools/draw_graph.cgi b/helm/graphs/tools/draw_graph.cgi
index d5d5b4a82ac0d25efde06a224e46d518b02ca25f..24170593f8d97812d23f8c58ce6ee018672676fc 100755 (executable)
--- a/helm/graphs/tools/draw_graph.cgi
+++ b/helm/graphs/tools/draw_graph.cgi
@@ -10,7 +10,10 @@ use FindBin;
 
 chdir $FindBin::Bin; # chdir to the directory of this perl script
 
-my $d = new HTTP::Daemon LocalPort => 8083;
+$drawgraphport = $ENV{'DRAW_GRAPH_PORT'} || $drawgraphport;
+
+my $d = new HTTP::Daemon LocalPort => $drawgraphport
+ or die "Error: port $drawgraphport not available.";
 print "Please contact me at: <URL:", $d->url, ">\n";
 
 $SIG{CHLD} = "IGNORE"; # do not accumulate defunct processes