lazify MPFR_jll

Author: IanButterworth

stdlib/MPFR_jll/src/MPFR_jll.jl

@@ -4,41 +4,41 @@
 baremodule MPFR_jll
 using Base, Libdl, GMP_jll
 
-const PATH_list = String[]
-const LIBPATH_list = String[]
-
 export libmpfr
 
 # These get calculated in __init__()
 const PATH = Ref("")
+const PATH_list = String[]
 const LIBPATH = Ref("")
+const LIBPATH_list = String[]
 artifact_dir::String = ""
-libmpfr_handle::Ptr{Cvoid} = C_NULL
 libmpfr_path::String = ""
 
+_libmpfr_dependencies = LazyLibrary[libgmp, libgmpxx]
+
 if Sys.iswindows()
-    const libmpfr = "libmpfr-6.dll"
+    const _libmpfr_path = BundledLazyLibraryPath("libmpfr-6.dll")
 elseif Sys.isapple()
-    const libmpfr = "@rpath/libmpfr.6.dylib"
+    const _libmpfr_path = BundledLazyLibraryPath("libmpfr.6.dylib")
 else
-    const libmpfr = "libmpfr.so.6"
+    const _libmpfr_path = BundledLazyLibraryPath("libmpfr.so.6")
 end
 
+const libmpfr = LazyLibrary(
+    _libmpfr_path,
+    dependencies=_libmpfr_dependencies,
+)
+
+function eager_mode()
+    dlopen(libmpfr)
+end
+is_available() = true
+
 function __init__()
-    global libmpfr_handle = dlopen(libmpfr)
-    global libmpfr_path = dlpath(libmpfr_handle)
+    global libmpfr_path = string(_libmpfr_path)
     global artifact_dir = dirname(Sys.BINDIR)
     LIBPATH[] = dirname(libmpfr_path)
     push!(LIBPATH_list, LIBPATH[])
 end
 
-# JLLWrappers API compatibility shims.  Note that not all of these will really make sense.
-# For instance, `find_artifact_dir()` won't actually be the artifact directory, because
-# there isn't one.  It instead returns the overall Julia prefix.
-is_available() = true
-find_artifact_dir() = artifact_dir
-dev_jll() = error("stdlib JLLs cannot be dev'ed")
-best_wrapper = nothing
-get_libmpfr_path() = libmpfr_path
-
 end  # module MPFR_jll