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77 lines
3.2 KiB
77 lines
3.2 KiB
# Copyright 2017 gRPC authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# The CMakeLists.txt for BoringSSL doesn't propagate include directories
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# transitively so `_gRPC_SSL_INCLUDE_DIR` should be set for gRPC
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# to find header files.
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if(gRPC_SSL_PROVIDER STREQUAL "module")
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if(NOT BORINGSSL_ROOT_DIR)
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set(BORINGSSL_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/boringssl-with-bazel)
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endif()
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if(EXISTS "${BORINGSSL_ROOT_DIR}/CMakeLists.txt")
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if(CMAKE_GENERATOR MATCHES "Visual Studio")
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if(CMAKE_VERSION VERSION_LESS 3.13)
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# Visual Studio build with assembly optimizations is broken for older
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# version of CMake (< 3.13).
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message(WARNING "Disabling SSL assembly support because CMake version ${CMAKE_VERSION} is too old (less than 3.13)")
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set(OPENSSL_NO_ASM ON)
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else()
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# If we're using a new enough version of CMake, make sure that the
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# NASM assembler can be found.
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include(CheckLanguage)
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check_language(ASM_NASM)
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if(NOT CMAKE_ASM_NASM_COMPILER)
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message(WARNING "Disabling SSL assembly support because NASM could not be found")
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set(OPENSSL_NO_ASM ON)
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endif()
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endif()
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endif()
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add_subdirectory(${BORINGSSL_ROOT_DIR} third_party/boringssl-with-bazel)
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if(TARGET ssl)
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set(_gRPC_SSL_LIBRARIES ssl crypto)
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set(_gRPC_SSL_INCLUDE_DIR ${BORINGSSL_ROOT_DIR}/src/include)
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if(gRPC_INSTALL AND _gRPC_INSTALL_SUPPORTED_FROM_MODULE)
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install(TARGETS ssl crypto EXPORT gRPCTargets
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RUNTIME DESTINATION ${gRPC_INSTALL_BINDIR}
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LIBRARY DESTINATION ${gRPC_INSTALL_LIBDIR}
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ARCHIVE DESTINATION ${gRPC_INSTALL_LIBDIR})
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endif()
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endif()
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else()
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message(WARNING "gRPC_SSL_PROVIDER is \"module\" but BORINGSSL_ROOT_DIR is wrong")
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endif()
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if(gRPC_INSTALL AND NOT _gRPC_INSTALL_SUPPORTED_FROM_MODULE)
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message(WARNING "gRPC_INSTALL will be forced to FALSE because gRPC_SSL_PROVIDER is \"module\" and CMake version (${CMAKE_VERSION}) is less than 3.13.")
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set(gRPC_INSTALL FALSE)
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endif()
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elseif(gRPC_SSL_PROVIDER STREQUAL "package")
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# OpenSSL installation directory can be configured by setting OPENSSL_ROOT_DIR
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# We expect to locate OpenSSL using the built-in cmake module as the openssl
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# project itself does not provide installation support in its CMakeLists.txt
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# See https://cmake.org/cmake/help/v3.6/module/FindOpenSSL.html
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find_package(OpenSSL REQUIRED)
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if(TARGET OpenSSL::SSL)
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set(_gRPC_SSL_LIBRARIES OpenSSL::SSL OpenSSL::Crypto)
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else()
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set(_gRPC_SSL_LIBRARIES ${OPENSSL_LIBRARIES})
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endif()
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set(_gRPC_SSL_INCLUDE_DIR ${OPENSSL_INCLUDE_DIR})
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set(_gRPC_FIND_SSL "if(NOT OPENSSL_FOUND)\n find_package(OpenSSL)\nendif()")
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endif()
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