/usr/lib/mysql-testsuite/include/have_symlink.inc is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | # Several partition-related tests include this file, because Valgrind/Purify
# builds disable symlink support; some partition functionality depends on
# symlink support, and so does not test correctly under valgrind. See the
# comment in mysqld.cc for the --symbolic-links option.
-- require r/have_symlink.require
disable_query_log;
show variables like 'have_symlink';
enable_query_log;
|