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| 1 | +# Copyright (C) 2025 Intel Corporation |
| 2 | +# Under the Apache License v2.0 with LLVM Exceptions. See LICENSE.TXT. |
| 3 | +# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 4 | + |
| 5 | +# This example shows and tests usage of FetchContent module. It downloads and |
| 6 | +# builds the UMF library defined in UMF_REPO CMake variable (or UMF from |
| 7 | +# upstream repo URL, by default). |
| 8 | + |
| 9 | +cmake_minimum_required(VERSION 3.14.0 FATAL_ERROR) |
| 10 | +project(umf_example_fetch_content LANGUAGES C) |
| 11 | +enable_testing() |
| 12 | + |
| 13 | +if(${CMAKE_SYSTEM_NAME} MATCHES "Linux") |
| 14 | + set(LINUX TRUE) |
| 15 | +elseif(${CMAKE_SYSTEM_NAME} MATCHES "Windows") |
| 16 | + set(WINDOWS TRUE) |
| 17 | +elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") |
| 18 | + set(MACOSX TRUE) |
| 19 | +else() |
| 20 | + message(FATAL_ERROR "Unknown OS type") |
| 21 | +endif() |
| 22 | + |
| 23 | +set(UMF_EXAMPLE_DIR "${CMAKE_SOURCE_DIR}/..") |
| 24 | +list(APPEND CMAKE_MODULE_PATH "${UMF_EXAMPLE_DIR}/cmake") |
| 25 | +message(STATUS "CMAKE_MODULE_PATH=${CMAKE_MODULE_PATH}") |
| 26 | + |
| 27 | +include("fetch_umf.cmake") |
| 28 | + |
| 29 | +find_package(PkgConfig) |
| 30 | +pkg_check_modules(LIBHWLOC hwloc>=2.3.0) |
| 31 | +if(NOT LIBHWLOC_FOUND) |
| 32 | + find_package(LIBHWLOC 2.3.0 REQUIRED hwloc) |
| 33 | +endif() |
| 34 | + |
| 35 | +pkg_check_modules(TBB tbb) |
| 36 | +if(NOT TBB_FOUND) |
| 37 | + find_package(TBB REQUIRED tbb) |
| 38 | +endif() |
| 39 | + |
| 40 | +# build the example |
| 41 | +set(EXAMPLE_NAME umf_example_fetch_content) |
| 42 | +# reusing the basic.c source file from the basic example |
| 43 | +add_executable(${EXAMPLE_NAME} ${CMAKE_SOURCE_DIR}/../basic/basic.c) |
| 44 | +target_include_directories(${EXAMPLE_NAME} PRIVATE ${LIBUMF_INCLUDE_DIRS}) |
| 45 | +target_link_directories(${EXAMPLE_NAME} PRIVATE ${LIBHWLOC_LIBRARY_DIRS}) |
| 46 | +target_link_libraries(${EXAMPLE_NAME} PRIVATE ${LIBUMF_LIBRARIES} hwloc) |
| 47 | + |
| 48 | +message(STATUS "LIBUMF_INCLUDE_DIRS=${LIBUMF_INCLUDE_DIRS}") |
| 49 | +message(STATUS "LIBUMF_LIBRARIES=${LIBUMF_LIBRARIES}") |
| 50 | +message(STATUS "LIBUMF_LIBRARY_DIRS=${LIBUMF_LIBRARY_DIRS}") |
| 51 | +message(STATUS "LIBHWLOC_LIBRARY_DIRS=${LIBHWLOC_LIBRARY_DIRS}") |
| 52 | + |
| 53 | +# an optional part - adds a test of this example |
| 54 | +add_test( |
| 55 | + NAME ${EXAMPLE_NAME} |
| 56 | + COMMAND ${EXAMPLE_NAME} |
| 57 | + WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) |
| 58 | + |
| 59 | +set_tests_properties(${EXAMPLE_NAME} PROPERTIES LABELS "example-standalone") |
| 60 | + |
| 61 | +if(LINUX) |
| 62 | + # set LD_LIBRARY_PATH |
| 63 | + set_property( |
| 64 | + TEST ${EXAMPLE_NAME} |
| 65 | + PROPERTY |
| 66 | + ENVIRONMENT_MODIFICATION |
| 67 | + "LD_LIBRARY_PATH=path_list_append:${LIBUMF_LIBRARY_DIRS};LD_LIBRARY_PATH=path_list_append:${LIBHWLOC_LIBRARY_DIRS}" |
| 68 | + ) |
| 69 | +elseif(WINDOWS) |
| 70 | + # add PATH to DLL on Windows |
| 71 | + set(DLL_PATH_LIST |
| 72 | + "${DLL_PATH_LIST};PATH=path_list_append:${LIBHWLOC_DLL_DIRS};PATH=path_list_append:${TBB_DLL_DIRS}" |
| 73 | + ) |
| 74 | + |
| 75 | + message(STATUS "DLL_PATH_LIST=${DLL_PATH_LIST}") |
| 76 | + |
| 77 | + # append PATH to DLLs NOTE: this would work only for the CMake ver >= # |
| 78 | + # 3.22. For the older versions, the PATH variable should be set in the test |
| 79 | + # script) |
| 80 | + set_property(TEST ${EXAMPLE_NAME} PROPERTY ENVIRONMENT_MODIFICATION |
| 81 | + "${DLL_PATH_LIST}") |
| 82 | +endif() |
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