Use older MKL on Intel Macs

Author: ViralBShah

Project.toml

@@ -12,7 +12,7 @@ MKL_jll = "2021, 2022, 2023, 2024"
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
-
+Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 
 [targets]
-test = ["Test", "SpecialFunctions"]
+test = ["Test", "SpecialFunctions", "Pkg"]

test/runtests.jl

@@ -1,4 +1,17 @@
+import Pkg
+using Pkg
+
+if Sys.isapple() && Sys.ARCH == :x86_64
+    Pkg.add(name="MKL_jll", version="2023");
+    Pkg.pin(name="MKL_jll", version="2023");
+end
+
 import MKL_jll
+if !MKL_jll.is_available()
+    @warn "MKL is not available/installed. Exiting."
+    exit()
+end
+
 using Test
 using IntelVectorMath
 using SpecialFunctions