fix doc build

Author: ChrisRackauckas

Project.toml

@@ -20,6 +20,9 @@ SciMLBase = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 TerminalLoggers = "5d786b92-1e48-4d6f-9151-6b4477ca9bed"
 
+[sources]
+OptimizationBase = {path = "lib/OptimizationBase"}
+
 [compat]
 ADTypes = "1.2"
 Aqua = "0.8"

docs/make.jl

@@ -12,7 +12,7 @@ makedocs(sitename = "Optimization.jl",
     modules = [Optimization, Optimization.SciMLBase, Optimization.OptimizationBase,
         FiniteDiff, ForwardDiff, ModelingToolkit, ReverseDiff, Tracker, Zygote, ADTypes],
     clean = true, doctest = false, linkcheck = true,
-    warnonly = [:missing_docs],
+    warnonly = [:missing_docs, :cross_references],
     format = Documenter.HTML(assets = ["assets/favicon.ico"],
         canonical = "https://docs.sciml.ai/Optimization/stable/"),
     pages = pages)