Fix Kokkos header includes (#45)

* Fix Kokkos header includes

* pin `setuptools` version like other projects do--for
projects with compiled extensions newer `setuptools` is often
problematic

Co-authored-by: Tyler Reddy <[email protected]>

Author: dalg24

cmake/Modules/KokkosPythonPackages.cmake

@@ -94,11 +94,7 @@ IF(ENABLE_PRECOMPILED_HEADERS)
     TARGET_PRECOMPILE_HEADERS(libpykokkos-precompiled-headers
         INTERFACE
             <Kokkos_Core.hpp>
-            <Kokkos_View.hpp>
-            <Kokkos_Layout.hpp>
-            <Kokkos_Core_fwd.hpp>
             <Kokkos_DynRankView.hpp>
-            <Kokkos_MemoryTraits.hpp>
     )
 
     # pybind11 headers

cmake/Templates/KokkosExp_InterOp.hpp

@@ -45,12 +45,8 @@
 #ifndef KOKKOS_CORE_EXP_INTEROP_HPP
 #define KOKKOS_CORE_EXP_INTEROP_HPP
 
-#include <Kokkos_Core_fwd.hpp>
-#include <Kokkos_Layout.hpp>
-#include <Kokkos_MemoryTraits.hpp>
-#include <Kokkos_View.hpp>
+#include <Kokkos_Core.hpp>
 #include <Kokkos_DynRankView.hpp>
-#include <impl/Kokkos_Utilities.hpp>
 #include <type_traits>
 
 namespace Kokkos {

include/deep_copy.hpp

@@ -51,7 +51,6 @@
 
 #include <Kokkos_Core.hpp>
 #include <Kokkos_DynRankView.hpp>
-#include <Kokkos_View.hpp>
 
 //----------------------------------------------------------------------------//
 

include/fwd.hpp

@@ -48,8 +48,6 @@
 #include "defines.hpp"
 
 #include <Kokkos_Core.hpp>
-#include <Kokkos_Layout.hpp>
-#include <Kokkos_MemoryTraits.hpp>
 
 #include <set>
 #include <string>

include/traits.hpp

@@ -49,9 +49,7 @@
 #include "defines.hpp"
 #include "fwd.hpp"
 
-#include <Kokkos_Core_fwd.hpp>
-#include <Kokkos_Layout.hpp>
-#include <Kokkos_MemoryTraits.hpp>
+#include <Kokkos_Core.hpp>
 
 //----------------------------------------------------------------------------//
 

include/views.hpp

@@ -53,7 +53,6 @@
 
 #include <Kokkos_Core.hpp>
 #include <Kokkos_DynRankView.hpp>
-#include <Kokkos_View.hpp>
 
 //----------------------------------------------------------------------------//
 

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
 requires = [
-    "setuptools >= 40.0.4",
+    "setuptools < 60.0.0",
     "setuptools_scm >= 2.0.0",
     "wheel >= 0.29.0",
     "scikit-build >= 0.8.0",