gpgconf --list-options dirmngr fails with an error and without printing any
options if ~/.gnupg/dirmngr_ldapservers.conf doesn't exist:
$ gpgconf --list-options dirmngr
dirmngr[31235]: error opening `/home/testuser/.gnupg/dirmngr_ldapservers.conf':
No such file or directory
gpgconf: warning: can not open config file /home/testuser/.gnupg/dirmngr.conf:
No such file or directory
gpgconf: warning: can not open list file
/home/testuser/.gnupg/dirmngr_ldapservers.conf: No such file or directory
Segmentation fault
This is gpgconf from gnupg 2.0.7 and dirmngr 1.0.1.