From 05fcda6c7624e710af191460e47958354a91af2e Mon Sep 17 00:00:00 2001
From: Kenneth Moreland <kmorel@sandia.gov>
Date: Tue, 19 May 2020 15:04:08 -0600
Subject: [PATCH] Compile IO library with device compilers

Because the IO classes use ArrayHandle, they have to be compiled with
device compilers (even though they do not directly produce any device
code). This is a dumb requirement, but it is a requirement nonetheless.
---
 vtkm/io/CMakeLists.txt | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/vtkm/io/CMakeLists.txt b/vtkm/io/CMakeLists.txt
index 99db550d4..6c9eaeedb 100644
--- a/vtkm/io/CMakeLists.txt
+++ b/vtkm/io/CMakeLists.txt
@@ -33,9 +33,16 @@ set(template_sources
 )
 
 set(sources
-  BOVDataSetReader.cxx
   DecodePNG.cxx
   EncodePNG.cxx
+)
+
+# TODO: None of these codes actually use a device. Rather, they access ArrayHandle, and we
+# currently need to ensure that ArrayHandle is correctly compiled for all devices. This is
+# kind of silly, so hopefully sometime in the future you will no longer need to compile for
+# devices for ArrayHandle, and this requirement will go away.
+set(device_sources
+  BOVDataSetReader.cxx
   VTKDataSetReader.cxx
   VTKDataSetReaderBase.cxx
   VTKDataSetWriter.cxx
@@ -44,7 +51,7 @@ set(sources
   VTKStructuredGridReader.cxx
   VTKStructuredPointsReader.cxx
   VTKUnstructuredGridReader.cxx
-)
+  )
 
 vtkm_declare_headers(
   ${headers}
@@ -54,6 +61,7 @@ vtkm_declare_headers(
 vtkm_library(
   NAME vtkm_io
   SOURCES ${sources}
+  DEVICE_SOURCES ${device_sources}
   HEADERS ${headers}
   TEMPLATE_SOURCES ${template_sources}
 )