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1 ##===----------------------------------------------------------------------===##
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2 #
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3 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 # See https://llvm.org/LICENSE.txt for license information.
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5 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 #
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7 ##===----------------------------------------------------------------------===##
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8 #
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9 # Build offloading library and related plugins.
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10 #
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11 ##===----------------------------------------------------------------------===##
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12
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13 if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
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14 message(FATAL_ERROR "Direct configuration not supported, please use parent directory!")
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15 endif()
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16
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17 # Add cmake directory to search for custom cmake functions.
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18 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules ${CMAKE_MODULE_PATH})
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19
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20 if(OPENMP_STANDALONE_BUILD)
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21 # Build all libraries into a common place so that tests can find them.
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22 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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23 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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24 endif()
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25
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26 # Message utilities.
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27 include(LibomptargetUtils)
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28
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29 # Get dependencies for the different components of the project.
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30 include(LibomptargetGetDependencies)
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31
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32 # This is a list of all the targets that are supported/tested right now.
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33 set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} aarch64-unknown-linux-gnu")
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34 set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} powerpc64le-ibm-linux-gnu")
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35 set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} powerpc64-ibm-linux-gnu")
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36 set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} x86_64-pc-linux-gnu")
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37 set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} nvptx64-nvidia-cuda")
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38
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39 # Once the plugins for the different targets are validated, they will be added to
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40 # the list of supported targets in the current system.
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41 set (LIBOMPTARGET_SYSTEM_TARGETS "")
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42 set (LIBOMPTARGET_TESTED_PLUGINS "")
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43
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44 # Check whether using debug mode. In debug mode, allow dumping progress
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45 # messages at runtime by default. Otherwise, it can be enabled
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46 # independently using the LIBOMPTARGET_ENABLE_DEBUG option.
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47 string( TOLOWER "${CMAKE_BUILD_TYPE}" LIBOMPTARGET_CMAKE_BUILD_TYPE)
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48 if(LIBOMPTARGET_CMAKE_BUILD_TYPE MATCHES debug)
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49 option(LIBOMPTARGET_ENABLE_DEBUG "Allow debug output with the environment variable LIBOMPTARGET_DEBUG=1" ON)
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50 else()
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51 option(LIBOMPTARGET_ENABLE_DEBUG "Allow debug output with the environment variable LIBOMPTARGET_DEBUG=1" OFF)
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52 endif()
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53 if(LIBOMPTARGET_ENABLE_DEBUG)
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54 add_definitions(-DOMPTARGET_DEBUG)
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55 endif()
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56
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57 include_directories(include)
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58
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59 # Build target agnostic offloading library.
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60 add_subdirectory(src)
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61
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62 # Retrieve the path to the resulting library so that it can be used for
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63 # testing.
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64 get_target_property(LIBOMPTARGET_LIBRARY_DIR omptarget LIBRARY_OUTPUT_DIRECTORY)
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65 if(NOT LIBOMPTARGET_LIBRARY_DIR)
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66 set(LIBOMPTARGET_LIBRARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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67 endif()
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68
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69 # Definitions for testing, for reuse when testing libomptarget-nvptx.
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70 if(OPENMP_STANDALONE_BUILD)
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71 set(LIBOMPTARGET_OPENMP_HEADER_FOLDER "${CMAKE_CURRENT_BINARY_DIR}/../runtime/src" CACHE STRING
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72 "Path to folder containing omp.h")
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73 set(LIBOMPTARGET_OPENMP_HOST_RTL_FOLDER "${CMAKE_CURRENT_BINARY_DIR}/../runtime/src" CACHE STRING
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74 "Path to folder containing libomp.so")
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75 else()
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76 set(LIBOMPTARGET_OPENMP_HEADER_FOLDER "${CMAKE_CURRENT_BINARY_DIR}/../runtime/src")
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77 endif()
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78
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79
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80 # Build offloading plugins and device RTLs if they are available.
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81 add_subdirectory(plugins)
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82 add_subdirectory(deviceRTLs)
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83
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84 # Add tests.
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85 add_subdirectory(test)
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