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MDEV-7294 MTR does not use /dev/shm with a out-of-source build

mtr internally does the following:
1. $default_vardir=....
2. $opt_vardir=$default_vardir unless $opt_vardir;
3. $opt_vardir=realpath $opt_vardir unless IS_WINDOWS
4. if ($opt_vardir eq $default_vardir) { .... use /dev/shm ... }

thus we have to realpath $default_datadir too, otherwise
the comparison logic might be broken
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vuvova committed Jan 19, 2015
1 parent 3f118a7 commit 5d0d6cb129f64bfaed2128d2bcc366aeee44e5ad
Showing with 1 addition and 0 deletions.
  1. +1 −0 mysql-test/mysql-test-run.pl
@@ -1494,6 +1494,7 @@ sub command_line_setup {
{
$default_vardir= "$glob_mysql_test_dir/var";
}
$default_vardir = realpath $default_vardir unless IS_WINDOWS;

if ( ! $opt_vardir )
{

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