lazify OpenLibm_jll

Author: IanButterworth

stdlib/OpenLibm_jll/src/OpenLibm_jll.jl

@@ -4,40 +4,41 @@
 baremodule OpenLibm_jll
 using Base, Libdl
 
-const PATH_list = String[]
-const LIBPATH_list = String[]
-
 export libopenlibm
 
 # These get calculated in __init__()
 const PATH = Ref("")
+const PATH_list = String[]
 const LIBPATH = Ref("")
+const LIBPATH_list = String[]
 artifact_dir::String = ""
 libopenlibm_path::String = ""
 
+_libopenlibm_dependencies = LazyLibrary[]
+
 if Sys.iswindows()
-    const libopenlibm = "libopenlibm.dll"
+    const _libopenlibm_path = BundledLazyLibraryPath("libopenlibm.dll")
 elseif Sys.isapple()
-    const libopenlibm = "@rpath/libopenlibm.4.dylib"
+    const _libopenlibm_path = BundledLazyLibraryPath("libopenlibm.4.dylib")
 else
-    const libopenlibm = "libopenlibm.so.4"
+    const _libopenlibm_path = BundledLazyLibraryPath("libopenlibm.so.4")
 end
 
+const libopenlibm = LazyLibrary(
+    _libopenlibm_path,
+    dependencies=_libopenlibm_dependencies,
+)
+
+function eager_mode()
+    dlopen(libopenlibm)
+end
+is_available() = true
+
 function __init__()
-    global libopenlibm_handle = dlopen(libopenlibm)
-    global libopenlibm_path = dlpath(libopenlibm_handle)
+    global libopenlibm_path = string(_libopenlibm_path)
     global artifact_dir = dirname(Sys.BINDIR)
     LIBPATH[] = dirname(libopenlibm_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_libopenlibm_path() = libopenlibm_path
-
 end  # module OpenLibm_jll