From cf32b430dc6435975b587397da4d2e2a0f5be7af Mon Sep 17 00:00:00 2001
From: Robert Maynard <robert.maynard@kitware.com>
Date: Wed, 16 Sep 2015 16:58:10 -0400
Subject: [PATCH] Teach Configure.h to store if TBB and CUDA are enabled.

---
 CMakeLists.txt               | 8 ++++++++
 vtkm/internal/Configure.h.in | 9 +++++++++
 2 files changed, 17 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f819e410..14e6f46d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -200,6 +200,10 @@ endif(VTKm_BUILD_EXAMPLES)
 
 set(VTKM_USE_DOUBLE_PRECISION ${VTKm_USE_DOUBLE_PRECISION})
 set(VTKM_USE_64BIT_IDS ${VTKm_USE_64BIT_IDS})
+
+set(VTKM_ENABLE_CUDA ${VTKm_ENABLE_CUDA})
+set(VTKM_ENABLE_TBB ${VTKm_ENABLE_TBB})
+
 set(VTKM_ENABLE_OPENGL_INTEROP ${VTKm_ENABLE_OPENGL_INTEROP})
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/vtkm/internal/Configure.h.in
@@ -209,6 +213,10 @@ vtkm_install_headers(
   vtkm/internal ${CMAKE_CURRENT_BINARY_DIR}/vtkm/internal/Configure.h)
 
 unset(VTKM_ENABLE_OPENGL_INTEROP)
+
+unset(VTKM_ENABLE_TBB)
+unset(VTKM_ENABLE_CUDA)
+
 unset(VTKM_USE_64BIT_IDS)
 unset(VTKM_USE_DOUBLE_PRECISION)
 
diff --git a/vtkm/internal/Configure.h.in b/vtkm/internal/Configure.h.in
index a28ff1f57..1d0d15dad 100644
--- a/vtkm/internal/Configure.h.in
+++ b/vtkm/internal/Configure.h.in
@@ -131,6 +131,15 @@
 #define VTKM_THIRDPARTY_POST_INCLUDE
 #endif
 
+//Mark if we are building with CUDA enabled
+#ifndef VTKM_ENABLE_CUDA
+#cmakedefine VTKM_ENABLE_CUDA
+#endif
+//Mark if we are building with TBB enabled
+#ifndef VTKM_ENABLE_TBB
+#cmakedefine VTKM_ENABLE_TBB
+#endif
+
 //Mark if we are building with interop enabled
 #ifndef VTKM_ENABLE_OPENGL_INTEROP
 #cmakedefine VTKM_ENABLE_OPENGL_INTEROP