| # |
| # Copyright © 2020 Arm Ltd and Contributors. All rights reserved. |
| # SPDX-License-Identifier: MIT |
| # |
| |
| include(FindPackageHandleStandardArgs) |
| unset(TFLITE_FOUND) |
| |
| # |
| # NOTE: this module is used to find the tensorflow lite binary libraries only |
| # the FindTfLiteSrc.cmake module is used to find the tensorflow lite include directory. |
| # This is to allow components like the Tensorflow lite parser that have a source dependency |
| # on tensorflow lite headers but no need to link to the binary libraries to use only the sources |
| # and not have an artificial dependency on the libraries. |
| # |
| |
| # First look for the static version of tensorflow lite |
| find_library(TfLite_LIB NAMES "libtensorflow-lite.a" HINTS ${TFLITE_LIB_ROOT} ${TFLITE_LIB_ROOT}/tensorflow/lite) |
| # If not found then, look for the dynamic library of tensorflow lite |
| find_library(TfLite_LIB NAMES "libtensorflow_lite_all.so" "libtensorflowlite.so" HINTS ${TFLITE_LIB_ROOT} ${TFLITE_LIB_ROOT}/tensorflow/lite) |
| |
| # If the static library was found, gather all of its dependencies |
| if (TfLite_LIB MATCHES .a$) |
| message("-- Static tensorflow lite library found, using for ArmNN build") |
| find_library(TfLite_abseilstrings_LIB "libabsl_strings.a" |
| PATH ${TFLITE_LIB_ROOT}/_deps/abseil-cpp-build/absl/strings) |
| find_library(TfLite_farmhash_LIB "libfarmhash.a" |
| PATH ${TFLITE_LIB_ROOT}/_deps/farmhash-build) |
| find_library(TfLite_fftsg_LIB "libfft2d_fftsg.a" |
| PATH ${TFLITE_LIB_ROOT}/_deps/fft2d-build) |
| find_library(TfLite_fftsg2d_LIB "libfft2d_fftsg2d.a" |
| PATH ${TFLITE_LIB_ROOT}/_deps/fft2d-build) |
| find_library(TfLite_ruy_LIB "libruy.a" PATH |
| ${TFLITE_LIB_ROOT}/_deps/ruy-build) |
| find_library(TfLite_flatbuffers_LIB "libflatbuffers.a" |
| PATH ${TFLITE_LIB_ROOT}/_deps/flatbuffers-build) |
| |
| ## Set TFLITE_FOUND if all libraries are satisfied for static lib |
| find_package_handle_standard_args(TfLite DEFAULT_MSG TfLite_LIB TfLite_abseilstrings_LIB TfLite_ruy_LIB TfLite_fftsg_LIB TfLite_fftsg2d_LIB TfLite_farmhash_LIB TfLite_flatbuffers_LIB) |
| # Set external variables for usage in CMakeLists.txt |
| if (TFLITE_FOUND) |
| set(TfLite_LIB ${TfLite_LIB} ${TfLite_abseilstrings_LIB} ${TfLite_ruy_LIB} ${TfLite_fftsg_LIB} ${TfLite_fftsg2d_LIB} ${TfLite_farmhash_LIB} ${TfLite_flatbuffers_LIB}) |
| endif () |
| elseif (TfLite_LIB MATCHES .so$) |
| message("-- Dynamic tensorflow lite library found, using for ArmNN build") |
| find_package_handle_standard_args(TfLite DEFAULT_MSG TfLite_LIB) |
| ## Set external variables for usage in CMakeLists.txt |
| if (TFLITE_FOUND) |
| set(TfLite_LIB ${TfLite_LIB}) |
| endif () |
| else() |
| message(FATAL_ERROR "Could not find a tensorflow lite library to use") |
| endif() |