Cleaning up BlackBoxSourceHelper (#786)

Create sources once per module, not once per instance
Clean up writing the file list
Don't prepend file list with '-v's (non-standard and not all verilog)
Change file list file name (not all verilog)
Use ListSets for determinism

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main/scala/firrtl/util/BackendCompilationUtilities.scala b/src/main/scala/firrtl/util/BackendCompilationUtilities.scala
index f47ac516..97c9c5e3 100644
--- a/src/main/scala/firrtl/util/BackendCompilationUtilities.scala
+++ b/src/main/scala/firrtl/util/BackendCompilationUtilities.scala
@@ -91,7 +91,7 @@ trait BackendCompilationUtilities {
     val topModule = dutFile
 
     val blackBoxVerilogList = {
-      val list_file = new File(dir, firrtl.transforms.BlackBoxSourceHelper.FileListName)
+      val list_file = new File(dir, firrtl.transforms.BlackBoxSourceHelper.fileListName)
       if(list_file.exists()) {
         Seq("-f", list_file.getAbsolutePath)
       }