Index: xmlsecurity/Executable_pdfverify.mk
--- xmlsecurity/Executable_pdfverify.mk.orig
+++ xmlsecurity/Executable_pdfverify.mk
@@ -13,6 +13,8 @@ $(eval $(call gb_Executable_use_sdk_api,pdfverify))
 
 $(eval $(call gb_Executable_use_external,pdfverify,boost_headers))
 
+$(eval $(call gb_Executable_use_external,pdfverify,orcus))
+
 $(eval $(call gb_Executable_set_include,pdfverify,\
     $$(INCLUDE) \
     -I$(SRCDIR)/xmlsecurity/inc \