[clean out environment in regression testing script. only pass '-v' to jhc when -v passed to regression tester
John Meacham <john@repetae.net>**20090224230028
 Ignore-this: bf7ab3ec35687a60c200913dabba6b37
] hunk ./regress/regress.prl 46
+# clean out environment
+delete $ENV{JHCPATH};
+delete $ENV{JHCOPTS};
+
hunk ./regress/regress.prl 182
-            my @jhc  = $opt_p ? ("$jhc_dir/jhcp","+RTS", "-S$rd/$name.jhcp_prof",@opt_rts,"-RTS")  :  ("$jhc_dir/jhc");
-            my @cmd = (@jhc, "-v", '--ho-dir', $ho_dir, @libs , @fast, "-o", "$rd/$name", @flags, @opts, "$cwd/$fn");
+            my @jhc  = $opt_p ? ("$jhc_dir/jhcp",'+RTS', "-S$rd/$name.jhcp_prof",@opt_rts,'-RTS')  :  ("$jhc_dir/jhc");
+            my @cmd = (@jhc, ($verbose ? ('-v') : ()), '--ho-dir', $ho_dir, @libs , @fast, '-o', "$rd/$name", @flags, @opts, "$cwd/$fn");