Merge pull request #469 from SciML/ap/appledisable

Check appleaccelerate is available in __init__

Author: ChrisRackauckas

Project.toml

@@ -1,7 +1,7 @@
 name = "LinearSolve"
 uuid = "7ed4a6bd-45f5-4d41-b270-4a48e9bafcae"
 authors = ["SciML"]
-version = "2.23.1"
+version = "2.23.2"
 
 [deps]
 ArrayInterface = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"

src/LinearSolve.jl

@@ -182,6 +182,9 @@ end
 const IS_OPENBLAS = Ref(true)
 isopenblas() = IS_OPENBLAS[]
 
+const HAS_APPLE_ACCELERATE = Ref(false)
+appleaccelerate_isavailable() = HAS_APPLE_ACCELERATE[]
+
 PrecompileTools.@compile_workload begin
     A = rand(4, 4)
     b = rand(4)

src/appleaccelerate.jl

@@ -14,16 +14,20 @@ to avoid allocations and does not require libblastrampoline.
 """
 struct AppleAccelerateLUFactorization <: AbstractFactorization end
 
-function appleaccelerate_isavailable()
-    libacc_hdl = Libdl.dlopen_e(libacc)
-    if libacc_hdl == C_NULL
-        return false
-    end
+@static if !Sys.isapple()
+    __appleaccelerate_isavailable() = false
+else
+    function __appleaccelerate_isavailable()
+        libacc_hdl = Libdl.dlopen_e(libacc)
+        if libacc_hdl == C_NULL
+            return false
+        end
 
-    if dlsym_e(libacc_hdl, "dgetrf_") == C_NULL
-        return false
+        if dlsym_e(libacc_hdl, "dgetrf_") == C_NULL
+            return false
+        end
+        return true
     end
-    return true
 end
 
 function aa_getrf!(A::AbstractMatrix{<:ComplexF64};

src/init.jl

@@ -1,3 +1,5 @@
 function __init__()
     IS_OPENBLAS[] = occursin("openblas", BLAS.get_config().loaded_libs[1].libname)
+
+    HAS_APPLE_ACCELERATE[] = __appleaccelerate_isavailable()
 end