From 8f2bdf6f68fd3213c7b863abe734a3ea6c716cac Mon Sep 17 00:00:00 2001
From: "Steven G. Johnson" <stevenj@mit.edu>
Date: Thu, 1 Aug 2024 17:26:15 -0400
Subject: [PATCH 1/4] add Enzyme to "extras" for testing, docs

---
 Project.toml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Project.toml b/Project.toml
index 016275a..c18fb59 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,10 +15,11 @@ QuadGKEnzymeExt = "Enzyme"
 [compat]
 DataStructures = "0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19"
 Enzyme = "0.12"
-julia = "1.2"
+julia = "1.6"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+Enzyme = "7da242da-08ed-463a-9acd-ee780be4f1d9"
 
 [targets]
-test = ["Test"]
+test = ["Test", "Enzyme"]

From 6d872af477a691b36e33c51eb2cc64d8854f6031 Mon Sep 17 00:00:00 2001
From: "Steven G. Johnson" <stevenj@mit.edu>
Date: Thu, 1 Aug 2024 17:28:58 -0400
Subject: [PATCH 2/4] add LinearAlgebra version compat

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

diff --git a/Project.toml b/Project.toml
index c18fb59..b8b5002 100644
--- a/Project.toml
+++ b/Project.toml
@@ -14,6 +14,7 @@ QuadGKEnzymeExt = "Enzyme"
 
 [compat]
 DataStructures = "0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19"
+LinearAlgebra = "<0.0.1, 1"
 Enzyme = "0.12"
 julia = "1.6"
 

From b25ea1b7f61037feb20173d9853eaf43a1c21169 Mon Sep 17 00:00:00 2001
From: "Steven G. Johnson" <stevenj@mit.edu>
Date: Thu, 1 Aug 2024 17:33:11 -0400
Subject: [PATCH 3/4] Update CI.yml: add julia 1.6

---
 .github/workflows/CI.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b62607d..9284071 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -22,6 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
+          - '1.6'
           - '1.9'
           - '1'
 #          - 'nightly'

From 77c211b4bd8b87373b2a12cdec7226984ac66e01 Mon Sep 17 00:00:00 2001
From: "Steven G. Johnson" <stevenj@alum.mit.edu>
Date: Thu, 1 Aug 2024 20:01:22 -0400
Subject: [PATCH 4/4] disable to_segbuf inference test for versions before 1.9

---
 test/runtests.jl | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/test/runtests.jl b/test/runtests.jl
index 3e0bfee..baaeb5a 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -439,9 +439,12 @@ quadgk_segbuf_printnull(args...; kws...) = quadgk_segbuf_print(devnull, args...;
     @test E3 ≈ E3′ rtol=1e-15
     @test count3′ == length(segbuf3) * 15
 
-    # type inference of to_segbuf for concrete types:
-    @inferred QuadGK.to_segbuf([0,1])
-    @inferred QuadGK.to_segbuf([(0,1+3im)])
+    # type inference of to_segbuf for concrete types
+    # (fails due to apparent Julia inference limitation for some older versions):
+    if VERSION >= v"1.9"
+        @inferred QuadGK.to_segbuf([0,1])
+        @inferred QuadGK.to_segbuf([(0,1+3im)])
+    end
 end
 
 # Extension package only supported in 1.9+