1# Copyright 2017 gRPC authors. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://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, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15if("${gRPC_SSL_PROVIDER}" STREQUAL "module") 16 if(NOT BORINGSSL_ROOT_DIR) 17 set(BORINGSSL_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/boringssl) 18 endif() 19 if(EXISTS "${BORINGSSL_ROOT_DIR}/CMakeLists.txt") 20 if (MSVC AND NOT CMAKE_GENERATOR STREQUAL "Ninja") 21 # Visual Studio build with assembly optimizations is broken, 22 # but it works with Ninja generator. 23 # This will get eventually fixed in cmake, but until then 24 # we need to disable assembly optimizations. 25 # See https://github.com/grpc/grpc/issues/16376 26 set(OPENSSL_NO_ASM ON) 27 endif() 28 add_subdirectory(${BORINGSSL_ROOT_DIR} third_party/boringssl) 29 if(TARGET ssl) 30 set(_gRPC_SSL_LIBRARIES ssl) 31 set(_gRPC_SSL_INCLUDE_DIR ${BORINGSSL_ROOT_DIR}/include) 32 endif() 33 else() 34 message(WARNING "gRPC_SSL_PROVIDER is \"module\" but BORINGSSL_ROOT_DIR is wrong") 35 endif() 36 if(gRPC_INSTALL) 37 message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_SSL_PROVIDER is \"module\"") 38 set(gRPC_INSTALL FALSE) 39 endif() 40elseif("${gRPC_SSL_PROVIDER}" STREQUAL "package") 41 # OpenSSL installation directory can be configured by setting OPENSSL_ROOT_DIR 42 # We expect to locate OpenSSL using the built-in cmake module as the openssl 43 # project itself does not provide installation support in its CMakeLists.txt 44 # See https://cmake.org/cmake/help/v3.6/module/FindOpenSSL.html 45 find_package(OpenSSL REQUIRED) 46 47 if(TARGET OpenSSL::SSL) 48 set(_gRPC_SSL_LIBRARIES OpenSSL::SSL OpenSSL::Crypto) 49 else() 50 set(_gRPC_SSL_LIBRARIES ${OPENSSL_LIBRARIES}) 51 endif() 52 set(_gRPC_SSL_INCLUDE_DIR ${OPENSSL_INCLUDE_DIR}) 53 54 set(_gRPC_FIND_SSL "if(NOT OPENSSL_FOUND)\n find_package(OpenSSL)\nendif()") 55endif() 56