From 50731eacf9a0f21b87c44cf6ce3e4e7c95b9bf4a Mon Sep 17 00:00:00 2001
From: Christopher Rackauckas <accounts@chrisrackauckas.com>
Date: Sat, 10 Feb 2024 13:43:22 -0500
Subject: [PATCH 1/4] See if only PreallocationTools does better?

---
 Project.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index b63d00ec4..6787ca6ee 100644
--- a/Project.toml
+++ b/Project.toml
@@ -46,7 +46,7 @@ SymPy = "24249f21-da20-56a4-8eb1-6a02cf4ae2e6"
 [extensions]
 SymbolicsForwardDiffExt = "ForwardDiff"
 SymbolicsGroebnerExt = "Groebner"
-SymbolicsPreallocationToolsExt = ["ForwardDiff", "PreallocationTools"]
+SymbolicsPreallocationToolsExt = "PreallocationTools"
 SymbolicsSymPyExt = "SymPy"
 
 [compat]

From a55b5c0f98c75aee4cf34b9f9fab94e7b4733cbe Mon Sep 17 00:00:00 2001
From: Christopher Rackauckas <accounts@chrisrackauckas.com>
Date: Sat, 10 Feb 2024 13:43:42 -0500
Subject: [PATCH 2/4] Update SymbolicsPreallocationToolsExt.jl

---
 ext/SymbolicsPreallocationToolsExt.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/SymbolicsPreallocationToolsExt.jl b/ext/SymbolicsPreallocationToolsExt.jl
index f850c461b..5d2686c8c 100644
--- a/ext/SymbolicsPreallocationToolsExt.jl
+++ b/ext/SymbolicsPreallocationToolsExt.jl
@@ -2,7 +2,7 @@ module SymbolicsPreallocationToolsExt
 
 using PreallocationTools
 import PreallocationTools: _restructure, get_tmp
-using Symbolics, ForwardDiff
+using Symbolics, PreallocationTools.ForwardDiff
 
 function get_tmp(dc::DiffCache, u::Type{X}) where {T,N, X<: ForwardDiff.Dual{T, Num, N}}
     if length(dc.du) > length(dc.any_du)

From e5ac4bf0577d1d86a668176258d5449acd9c085a Mon Sep 17 00:00:00 2001
From: Christopher Rackauckas <accounts@chrisrackauckas.com>
Date: Sat, 10 Feb 2024 16:48:03 -0500
Subject: [PATCH 3/4] Remove ForwardDiff extension and make a full dep

---
 Project.toml     | 3 +--
 src/Symbolics.jl | 3 +++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Project.toml b/Project.toml
index 6787ca6ee..09959c397 100644
--- a/Project.toml
+++ b/Project.toml
@@ -13,6 +13,7 @@ Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
 DomainSets = "5b8099bc-c8ec-5219-889f-1d9e522a28bf"
 DynamicPolynomials = "7c1d4256-1411-5781-91ec-d7bc3513ac07"
+ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 Groebner = "0b43b601-686d-58a3-8a1c-6623616c7cd4"
 IfElse = "615f187c-cbe4-4ef1-ba3b-2fcf58d6d173"
 LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"
@@ -38,13 +39,11 @@ SymbolicIndexingInterface = "2efcf032-c050-4f8e-a9bb-153293bab1f5"
 SymbolicUtils = "d1185830-fcd6-423d-90d6-eec64667417b"
 
 [weakdeps]
-ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 Groebner = "0b43b601-686d-58a3-8a1c-6623616c7cd4"
 PreallocationTools = "d236fae5-4411-538c-8e31-a6e3d9e00b46"
 SymPy = "24249f21-da20-56a4-8eb1-6a02cf4ae2e6"
 
 [extensions]
-SymbolicsForwardDiffExt = "ForwardDiff"
 SymbolicsGroebnerExt = "Groebner"
 SymbolicsPreallocationToolsExt = "PreallocationTools"
 SymbolicsSymPyExt = "SymPy"
diff --git a/src/Symbolics.jl b/src/Symbolics.jl
index 9481525ab..80d841b80 100644
--- a/src/Symbolics.jl
+++ b/src/Symbolics.jl
@@ -177,6 +177,9 @@ end
 function symbolics_to_sympy end
 export symbolics_to_sympy
 
+include("../ext/SymbolicsForwardDiffExt.jl")
+using SymbolicsForwardDiffExt
+
 @static if !isdefined(Base, :get_extension)
     using Requires
 end

From b8e1be8e9fbbb68934e53377a5d30b564cbb3c4f Mon Sep 17 00:00:00 2001
From: Christopher Rackauckas <accounts@chrisrackauckas.com>
Date: Sat, 10 Feb 2024 20:45:10 -0500
Subject: [PATCH 4/4] local module

---
 src/Symbolics.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symbolics.jl b/src/Symbolics.jl
index 80d841b80..facd7e254 100644
--- a/src/Symbolics.jl
+++ b/src/Symbolics.jl
@@ -178,7 +178,7 @@ function symbolics_to_sympy end
 export symbolics_to_sympy
 
 include("../ext/SymbolicsForwardDiffExt.jl")
-using SymbolicsForwardDiffExt
+using ..SymbolicsForwardDiffExt
 
 @static if !isdefined(Base, :get_extension)
     using Requires