--- a/mail/extradependlibs.mk
+++ b/mail/extradependlibs.mk
@@ -5,12 +5,15 @@
 # This file is included from mozilla/xpcom/stub/Makefile.in
 # Presume all mozilla/autoconf.mk is included and that it does not have
 # Direct access to c-c specific vars not present there.
 
 # We don't have access to MOZ_LDAP_XPCOM here, so cheat.
 ifneq (,$(findstring ldap,$(MOZ_APP_COMPONENT_LIBS)))
 DEPENDENT_LIBS_LIST += \
     $(DLL_PREFIX)ldap60$(DLL_SUFFIX) \
+    $(DLL_PREFIX)nspr4$(DLL_SUFFIX) \
+    $(DLL_PREFIX)plc4$(DLL_SUFFIX) \
+    $(DLL_PREFIX)plds4$(DLL_SUFFIX) \
     $(DLL_PREFIX)prldap60$(DLL_SUFFIX) \
     $(DLL_PREFIX)ldif60$(DLL_SUFFIX) \
     $(NULL)
 endif

--- a/suite/extradependlibs.mk
+++ b/suite/extradependlibs.mk
@@ -5,12 +5,15 @@
 # This file is included from mozilla/xpcom/stub/Makefile.in
 # Presume all mozilla/autoconf.mk is included and that it does not have
 # Direct access to c-c specific vars not present there.
 
 # We don't have access to MOZ_LDAP_XPCOM here, so cheat.
 ifneq (,$(findstring ldap,$(MOZ_APP_COMPONENT_LIBS)))
 DEPENDENT_LIBS_LIST += \
     $(DLL_PREFIX)ldap60$(DLL_SUFFIX) \
+    $(DLL_PREFIX)nspr4$(DLL_SUFFIX) \
+    $(DLL_PREFIX)plc4$(DLL_SUFFIX) \
+    $(DLL_PREFIX)plds4$(DLL_SUFFIX) \
     $(DLL_PREFIX)prldap60$(DLL_SUFFIX) \
     $(DLL_PREFIX)ldif60$(DLL_SUFFIX) \
     $(NULL)
 endif