1# Copyright 2020 The Pigweed Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); you may not 4# use this file except in compliance with the License. You may obtain a copy of 5# the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12# License for the specific language governing permissions and limitations under 13# the License. 14 15set(dir_pw_third_party_nanopb "" CACHE PATH "Path to the Nanopb installation.") 16option(pw_third_party_nanopb_ADD_SUBDIRECTORY 17 "Whether to add the dir_pw_third_party_nanopb subdirectory" OFF) 18 19if("${dir_pw_third_party_nanopb}" STREQUAL "") 20 return() 21elseif(pw_third_party_nanopb_ADD_SUBDIRECTORY) 22 add_subdirectory("${dir_pw_third_party_nanopb}" third_party/nanopb) 23endif() 24 25set(nanopb_main_library 26 $<IF:$<TARGET_EXISTS:protobuf-nanopb-static>,protobuf-nanopb-static,protobuf-nanopb>) 27 28add_library(pw_third_party.nanopb INTERFACE) 29target_link_libraries(pw_third_party.nanopb INTERFACE "${nanopb_main_library}") 30target_include_directories(pw_third_party.nanopb 31 INTERFACE 32 "${dir_pw_third_party_nanopb}" 33) 34