sudoのconfigureオプションを確認する ref: http://qiita.com/mazgi/items/6f5fdb239b60e6d0f314

file0.txt

localhost ~ # sudo -V | grep 'Configure options:'
Configure options: --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --enable-zlib=system --with-secure-path=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/opt/bin --with-editor=/usr/libexec/editor --with-env-editor --without-insults --without-all-insults --with-ldap_conf_file=/etc/ldap.conf.sudo --with-ldap --enable-nls --with-pam --without-skey --without-selinux --with-sendmail --without-opie --without-linux-audit --with-timedir=/var/db/sudo --with-plugindir=/usr/lib64/sudo --docdir=/usr/share/doc/sudo-1.8.6_p7
localhost ~ # sudo -V | grep 'ldap.conf path:'
ldap.conf path: /etc/ldap.conf.sudo