I wiped my repo, cloned from https://github.com/openldap/openldap.git and tried a clean configure/make depend/make all went well.  Make install not so well.  Looks like the install is executing the tools:

Making install in /home/nick/git/openldap/clients
  Entering subdirectory tools
make[2]: Entering directory '/home/nick/git/openldap/clients/tools'
../../build/shtool mkdir -p /apps/openldap/bin
libtool: install: ../../build/shtool install -c -m 755 -s ldapsearch /apps/openldap/bin/ldapsearch
ldap_sasl_interactive_bind: Can't contact LDAP server (-1)
libtool: install: ../../build/shtool install -c -m 755 -s ldapmodify /apps/openldap/bin/ldapmodify
ldap_sasl_interactive_bind: Can't contact LDAP server (-1)
libtool: install: ../../build/shtool install -c -m 755 -s ldapdelete /apps/openldap/bin/ldapdelete
ldap_sasl_interactive_bind: Can't contact LDAP server (-1)
libtool: install: ../../build/shtool install -c -m 755 -s ldapmodrdn /apps/openldap/bin/ldapmodrdn
ldap_sasl_interactive_bind: Can't contact LDAP server (-1)
libtool: install: ../../build/shtool install -c -m 755 -s ldappasswd /apps/openldap/bin/ldappasswd
ldap_sasl_interactive_bind: Can't contact LDAP server (-1)
libtool: install: ../../build/shtool install -c -m 755 -s ldapwhoami /apps/openldap/bin/ldapwhoami
ldap_sasl_interactive_bind: Can't contact LDAP server (-1)
libtool: install: ../../build/shtool install -c -m 755 -s ldapvc /apps/openldap/bin/ldapvc
ldap_sasl_interactive_bind: Can't contact LDAP server (-1)
libtool: install: ../../build/shtool install -c -m 755 -s ldapcompare /apps/openldap/bin/ldapcompare
usage: #INST@1151854# [options] DN <attr:value|attr::b64value>
where:
  DN Distinguished Name
  attr assertion attribute
  value assertion value
  b64value base64 encoding of assertion value

Nick