Hi Ian, > > What additional package do I need? > > You need openldap-devel (and cyrus-sasl-devel as a dependency). > Why it depends on a devel package, I don't know. # yum search openldap-devel | grep openldap-devel openldap-devel.x86_64 2.3.19-4 core openldap-devel The openldap-devel package includes the development libraries and openldap-devel.x86_64 2.3.19-4 installed openldap-devel The openldap-devel package includes the development libraries and # yum search cyrus-sasl-devel | grep cyrus-sasl-devel cyrus-sasl-devel.x86_64 2.1.21-10 core cyrus-sasl-devel The cyrus-sasl-devel package contains files needed for developing and cyrus-sasl-devel.x86_64 2.1.21-10 installed cyrus-sasl-devel The cyrus-sasl-devel package contains files needed for developing and They are alreay there. B.R. SL