Filter out more filename extensions for blackbox source headers (#1134)

1 files changed, 2 insertions, 1 deletions

diff --git a/src/main/scala/firrtl/transforms/BlackBoxSourceHelper.scala b/src/main/scala/firrtl/transforms/BlackBoxSourceHelper.scala
index 8192b416..b62cf7a1 100644
--- a/src/main/scala/firrtl/transforms/BlackBoxSourceHelper.scala
+++ b/src/main/scala/firrtl/transforms/BlackBoxSourceHelper.scala
@@ -112,7 +112,8 @@ class BlackBoxSourceHelper extends firrtl.Transform {
     }
 
     // Issue #917 - We don't want to list Verilog header files ("*.vh") in our file list - they will automatically be included by reference.
-    val verilogSourcesOnly = (resourceFiles ++ inlineFiles).filterNot( _.getName().endsWith(".vh"))
+    def isHeader(name: String) = name.endsWith(".h") || name.endsWith(".vh") || name.endsWith(".svh")
+    val verilogSourcesOnly = (resourceFiles ++ inlineFiles).filterNot{ f => isHeader(f.getName()) }
     val filelistFile = if (flistName.isAbsolute()) flistName else new File(targetDir, flistName.getName())
 
     // We need the canonical path here, so verilator will create a path to the file that works from the targetDir,