use MKL_jll instead of Conda during build (#127)

Project.toml

@@ -4,16 +4,18 @@ version = "1.1.0"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"
-Conda = "8f4d0f93-b110-5947-807f-2305c1781a2d"
 FFTW_jll = "f5851436-0d7a-5f13-b9de-f02708fd171a"
+IntelOpenMP_jll = "1d5cc7b8-4909-519e-a0f8-d0f5ad9712d0"
 Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+MKL_jll = "856f044c-d86e-5d09-b602-aeab76dc8ba7"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 
 [compat]
 AbstractFFTs = "0.5"
-Conda = "1"
 FFTW_jll = "3.3"
+IntelOpenMP_jll = "2018.0.3"
+MKL_jll = "2019.0.117"
 Reexport = "0.2"
 julia = "1.3"
 

deps/build.jl

@@ -18,27 +18,12 @@ end
 if provider == "MKL"
     const mkllib = Sys.iswindows() ? "mkl_rt" : "libmkl_rt"
     # If BLAS was compiled with MKL and the user wants MKL-based FFTs, we'll oblige.
-    if BLAS.vendor() === :mkl
-        mklpath = Libdl.dlpath(mkllib)
-    else
-        using Conda
-        Conda.add("mkl_fft")
-        mklpath = joinpath(Conda.lib_dir(Conda.ROOTENV), mkllib)
-    end
-    mklpath = escape_string(mklpath)
-    isfile(depsfile) && rm(depsfile, force=true)
-    open(depsfile, "w") do f
-        println(f, """
-            # This is an auto-generated file, do not edit
-            import Libdl
-            const libfftw3 = "$mklpath"
+    open(depsfile, "w") do io
+        println(io, """
+            using IntelOpenMP_jll, MKL_jll
+            check_deps() = nothing
+            const libfftw3 = MKL_jll.libmkl_rt_path
             const libfftw3f = libfftw3
-            function check_deps()
-                if Libdl.dlopen_e(libfftw3) == C_NULL
-                    error("Unable to load MKL from '$mklpath'.\\n",
-                          "Please rerun Pkg.build(\\"FFTW\\") and restart Julia.")
-                end
-            end
         """)
     end
 elseif provider == "FFTW"