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| 1 | +# Copyright (C) 2024 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 | +message(STATUS "Checking for module 'libhwloc' using find_library()") |
| 6 | + |
| 7 | +find_library(LIBHWLOC_LIBRARY NAMES libhwloc hwloc) |
| 8 | +set(LIBHWLOC_LIBRARIES ${LIBHWLOC_LIBRARY}) |
| 9 | + |
| 10 | +get_filename_component(LIBHWLOC_LIB_DIR ${LIBHWLOC_LIBRARIES} DIRECTORY) |
| 11 | +set(LIBHWLOC_LIBRARY_DIRS ${LIBHWLOC_LIB_DIR}) |
| 12 | + |
| 13 | +find_file(LIBHWLOC_HEADER NAMES hwloc.h) |
| 14 | +get_filename_component(LIBHWLOC_INCLUDE_DIR ${LIBHWLOC_HEADER} DIRECTORY) |
| 15 | +set(LIBHWLOC_INCLUDE_DIRS ${LIBHWLOC_INCLUDE_DIR}) |
| 16 | + |
| 17 | +set(HWLOC_VERSION_CODE |
| 18 | + " |
| 19 | +#include <stdio.h> |
| 20 | +#include <stdlib.h> |
| 21 | +#include \"hwloc.h\" |
| 22 | +
|
| 23 | +void main(int argc, char** argv) { |
| 24 | + unsigned LIBHWLOC_API_PATCH = HWLOC_API_VERSION & 0xFF; |
| 25 | + unsigned LIBHWLOC_API_MINOR = (HWLOC_API_VERSION >> 8) & 0xFF; |
| 26 | + unsigned LIBHWLOC_API_MAJOR = (HWLOC_API_VERSION >> 16) & 0xFF; |
| 27 | + printf(\"%d.%d.%d\", LIBHWLOC_API_MAJOR, LIBHWLOC_API_MINOR, LIBHWLOC_API_PATCH); |
| 28 | +}") |
| 29 | + |
| 30 | +set(HWLOC_VERSION_CODE_FILENAME "hwloc_get_version.c") |
| 31 | +file(WRITE "${CMAKE_BINARY_DIR}/${HWLOC_VERSION_CODE_FILENAME}" |
| 32 | + "${HWLOC_VERSION_CODE}") |
| 33 | + |
| 34 | +try_run( |
| 35 | + HWLOC_RUN_RESULT HWLOC_COMPILE_RESULT ${CMAKE_BINARY_DIR} |
| 36 | + "${CMAKE_BINARY_DIR}/${HWLOC_VERSION_CODE_FILENAME}" |
| 37 | + CMAKE_FLAGS "-DINCLUDE_DIRECTORIES=${LIBHWLOC_INCLUDE_DIR}" |
| 38 | + RUN_OUTPUT_VARIABLE LIBHWLOC_API_VERSION) |
| 39 | + |
| 40 | +if(WINDOWS) |
| 41 | + find_file(LIBHWLOC_DLL NAMES "bin/hwloc-15.dll" "bin/libhwloc-15.dll") |
| 42 | + get_filename_component(LIBHWLOC_DLL_DIR ${LIBHWLOC_DLL} DIRECTORY) |
| 43 | + set(LIBHWLOC_DLL_DIRS ${LIBHWLOC_DLL_DIR}) |
| 44 | +endif() |
| 45 | + |
| 46 | +if(LIBHWLOC_LIBRARY) |
| 47 | + message(STATUS " Found libhwloc using find_library()") |
| 48 | + message(STATUS " LIBHWLOC_LIBRARIES = ${LIBHWLOC_LIBRARIES}") |
| 49 | + message(STATUS " LIBHWLOC_INCLUDE_DIRS = ${LIBHWLOC_INCLUDE_DIRS}") |
| 50 | + message(STATUS " LIBHWLOC_LIBRARY_DIRS = ${LIBHWLOC_LIBRARY_DIRS}") |
| 51 | + message(STATUS " LIBHWLOC_API_VERSION = ${LIBHWLOC_API_VERSION}") |
| 52 | + if(WINDOWS) |
| 53 | + message(STATUS " LIBHWLOC_DLL_DIRS = ${LIBHWLOC_DLL_DIRS}") |
| 54 | + endif() |
| 55 | + |
| 56 | + if(LIBHWLOC_FIND_VERSION) |
| 57 | + if(NOT LIBHWLOC_API_VERSION) |
| 58 | + message(FATAL_ERROR "Failed to retrieve libhwloc version") |
| 59 | + elseif(NOT LIBHWLOC_API_VERSION VERSION_GREATER_EQUAL |
| 60 | + LIBHWLOC_FIND_VERSION) |
| 61 | + message( |
| 62 | + FATAL_ERROR |
| 63 | + " Required version: ${LIBHWLOC_FIND_VERSION}, found ${LIBHWLOC_API_VERSION}" |
| 64 | + ) |
| 65 | + endif() |
| 66 | + endif() |
| 67 | +else() |
| 68 | + set(MSG_NOT_FOUND |
| 69 | + "libhwloc NOT found (set CMAKE_PREFIX_PATH to point the location)") |
| 70 | + if(LIBHWLOC_FIND_REQUIRED) |
| 71 | + message(FATAL_ERROR ${MSG_NOT_FOUND}) |
| 72 | + else() |
| 73 | + message(WARNING ${MSG_NOT_FOUND}) |
| 74 | + endif() |
| 75 | +endif() |
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