1# 2# Copyright 2021 The TensorFlow Authors. All Rights Reserved. 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# https://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16# Skip installation when xnnpack is used since it also has fp16 headers. 17if(TARGET fp16_headers OR fp16_headers_POPULATED OR TFLITE_ENABLE_XNNPACK) 18 return() 19endif() 20 21include(FetchContent) 22 23OverridableFetchContent_Declare( 24 fp16_headers 25 GIT_REPOSITORY https://github.com/Maratyszcza/FP16 26 # Sync with https://github.com/google/XNNPACK/blob/master/cmake/DownloadFP16.cmake 27 GIT_TAG 0a92994d729ff76a58f692d3028ca1b64b145d91 28 GIT_PROGRESS TRUE 29 PREFIX "${CMAKE_BINARY_DIR}" 30 SOURCE_DIR "${CMAKE_BINARY_DIR}/fp16_headers" 31) 32 33OverridableFetchContent_GetProperties(fp16_headers) 34if(NOT fp16_headers) 35 OverridableFetchContent_Populate(fp16_headers) 36endif() 37 38include_directories( 39 AFTER 40 "${fp16_headers_SOURCE_DIR}/include" 41) 42