bk commit into 5.0 tree (msvensson:1.2531) BUG#31398

[msvensson]

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ChangeSet@stripped, 2007-10-05 17:54:19+02:00, msvensson@shellback.(none) +1 -0
  Bug#31398 problems with mysql-test-run
   - "mysqld --verbose --help" need to be started in a writable directory 

  mysql-test/mysql-test-run.pl@stripped, 2007-10-05 17:54:16+02:00, msvensson@shellback.(none) +3 -2
    Create a tmpdir where mysqld can peform it's lowercase or uppercase test

diff -Nrup a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
--- a/mysql-test/mysql-test-run.pl	2007-09-21 17:51:59 +02:00
+++ b/mysql-test/mysql-test-run.pl	2007-10-05 17:54:16 +02:00
@@ -1334,12 +1334,13 @@ sub datadir_list_setup () {
 
 sub collect_mysqld_features () {
   my $found_variable_list_start= 0;
+  my $tmpdir= tempdir(CLEANUP => 0); # Directory removed by this function
 
   #
   # Execute "mysqld --no-defaults --help --verbose" to get a
   # list of all features and settings
   #
-  my $list= `$exe_mysqld --no-defaults --verbose --help`;
+  my $list= `$exe_mysqld --no-defaults --datadir=$tmpdir --verbose --help`;
 
   foreach my $line (split('\n', $list))
   {
@@ -1394,7 +1395,7 @@ sub collect_mysqld_features () {
       }
     }
   }
-
+  rmtree($tmpdir);
   mtr_error("Could not find version of MySQL") unless $mysql_version_id;
   mtr_error("Could not find variabes list") unless $found_variable_list_start;