pull in kokkos-3.1.01

# Change Log

## [3.1.1](https://github.com/kokkos/kokkos/tree/3.1.1) (2020-04-14)

[Full Changelog](https://github.com/kokkos/kokkos/compare/3.1.00...3.1.1)

**Fixed bugs:**

- Fix complex_double misalignment in reduce, clang+CUDA [\#2989](https://github.com/kokkos/kokkos/issues/2989)

- Fix compilation fails when profiling disabled and CUDA enabled [\#3001](https://github.com/kokkos/kokkos/issues/3001)

- Fix cuda reduction of non-trivial scalars of size 4 [\#2990](https://github.com/kokkos/kokkos/issues/2990)

- Configure and install version file when building in Trilinos [\#2957](https://github.com/kokkos/kokkos/pull/2957)

- Fix OpenMPTarget build missing include and namespace [\#3000](https://github.com/kokkos/kokkos/issues/3000)

- fix typo in KOKKOS_SET_EXE_PROPERTY() [\#2959](https://github.com/kokkos/kokkos/issues/2959)

- Fix non-zero span subviews of zero sized subviews [\#2979](https://github.com/kokkos/kokkos/issues/2979)

## [3.1.00](https://github.com/kokkos/kokkos/tree/3.1.00) (2020-04-14)

[Full Changelog](https://github.com/kokkos/kokkos/compare/3.0.00...3.1.00)

set(Kokkos_VERSION_MAJOR 3)

set(Kokkos_VERSION_MINOR 1)

set(Kokkos_VERSION_PATCH 0)

set(Kokkos_VERSION_PATCH 1)

set(Kokkos_VERSION "${Kokkos_VERSION_MAJOR}.${Kokkos_VERSION_MINOR}.${Kokkos_VERSION_PATCH}")

math(EXPR KOKKOS_VERSION "${Kokkos_VERSION_MAJOR} * 10000 + ${Kokkos_VERSION_MINOR} * 100 + ${Kokkos_VERSION_PATCH}")

KOKKOS_VERSION_MAJOR = 3

KOKKOS_VERSION_MINOR = 1

KOKKOS_VERSION_PATCH = 0

KOKKOS_VERSION_PATCH = 1

KOKKOS_VERSION = $(shell echo $(KOKKOS_VERSION_MAJOR)*10000+$(KOKKOS_VERSION_MINOR)*100+$(KOKKOS_VERSION_PATCH) | bc)

# Options: Cuda,HIP,ROCm,OpenMP,Pthread,Serial

INCLUDE(CMakePackageConfigHelpers)

IF (NOT KOKKOS_HAS_TRILINOS)

  INCLUDE(GNUInstallDirs)

    "${Kokkos_BINARY_DIR}/KokkosConfig.cmake"

    INSTALL_DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR}/cmake)

  INCLUDE(CMakePackageConfigHelpers)

  CONFIGURE_PACKAGE_CONFIG_FILE(

	  cmake/KokkosConfigCommon.cmake.in

	  "${Kokkos_BINARY_DIR}/KokkosConfigCommon.cmake"

  CONFIGURE_FILE(cmake/KokkosTrilinosConfig.cmake.in ${Kokkos_BINARY_DIR}/KokkosTrilinosConfig.cmake @ONLY)

  file(READ ${Kokkos_BINARY_DIR}/KokkosTrilinosConfig.cmake KOKKOS_TRILINOS_CONFIG)

  file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/KokkosConfig_install.cmake" "${KOKKOS_TRILINOS_CONFIG}")

  WRITE_BASIC_PACKAGE_VERSION_FILE("${CMAKE_CURRENT_BINARY_DIR}/KokkosConfigVersion.cmake"

      VERSION "${Kokkos_VERSION}"

      COMPATIBILITY SameMajorVersion)

  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/KokkosConfigVersion.cmake

      DESTINATION "${${PROJECT_NAME}_INSTALL_LIB_DIR}/cmake/${PACKAGE_NAME}")

ENDIF()

INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/KokkosCore_config.h DESTINATION ${KOKKOS_HEADER_DIR})

  IF (NOT TARGET ${TARGET_NAME})

    MESSAGE(SEND_ERROR "No target ${TARGET_NAME} exists - cannot set target properties")

  ENDIF()

  SET_PROPERTY(TARGET ${TARGET_PROPERTY} PROPERTY ${ARGN})

  SET_PROPERTY(TARGET ${TARGET_NAME} PROPERTY ${ARGN})

ENDFUNCTION()

MACRO(KOKKOS_SETUP_BUILD_ENVIRONMENT)