104 lines
4.3 KiB
CMake
104 lines
4.3 KiB
CMake
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# MIT License
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#
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# Copyright (c) 2015-2023 The ViaDuck Project
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# cmake_minimum_required(VERSION 3.2...3.27)
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cmake_minimum_required(VERSION 3.1...3.27)
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project(openssl-cmake)
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set(BUILD_OPENSSL ON CACHE BOOL "Automated OpenSSL building")
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set(OPENSSL_BUILD_VERSION "1.1.1u" CACHE STRING "OpenSSL version to build")
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set(OPENSSL_USE_STATIC_LIBS ON CACHE STRING "OpenSSL static libs are preferred over shared libs")
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set(OPENSSL_INSTALL_MAN OFF CACHE STRING "Install man pages?")
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set(OPENSSL_MODULES "no-cast no-md2 no-md4 no-mdc2 no-rc4 no-rc5 no-engine no-idea no-mdc2 no-rc5 no-camellia no-ssl3 no-heartbeats no-gost no-deprecated no-capieng no-comp no-dtls no-psk no-srp no-dso no-dsa no-rc2 no-des" CACHE STRING "OpenSSL configure options")
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set(OPENSSL_RPATH "" CACHE STRING "RPath to set during build")
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set(CROSS_ANDROID OFF CACHE BOOL "Cross-compiling for Android?")
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if (CMAKE_CROSSCOMPILING)
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set(CROSS ON CACHE BOOL "Cross-compiling?")
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else()
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set(CROSS OFF CACHE BOOL "Cross-compiling?")
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endif()
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set(CROSS_TARGET OFF CACHE STRING "Cross-compilation target")
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set(SYSTEM_OPENSSL OFF CACHE STRING "Use system-provided openssl libraries (instead of prebuilts or building)")
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# allow including our modules
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
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# mimic system ssl and crypto targets
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add_library(ssl INTERFACE)
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add_library(crypto INTERFACE)
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if (SYSTEM_OPENSSL)
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# use system provided openssl
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find_package(OpenSSL REQUIRED)
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# link fake targets
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target_link_libraries(ssl INTERFACE OpenSSL::SSL)
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target_link_libraries(crypto INTERFACE OpenSSL::Crypto)
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add_custom_target(openssl)
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else()
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# build our own or use prebuilts
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# set up prefix
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if (BUILD_OPENSSL)
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set(OPENSSL_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/openssl-build/)
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else()
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set(OPENSSL_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/openssl-prefix/src/openssl)
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endif()
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# predict byproduct names and include directory
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include(ByproductsOpenSSL)
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GetOpenSSLByproducts(${OPENSSL_PREFIX} OPENSSL_BYPRODUCTS OPENSSL_INCLUDE_DIR)
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# set up openssl target
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if (BUILD_OPENSSL)
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include(BuildOpenSSL)
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else()
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include(PrebuiltOpenSSL)
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endif()
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# add imported targets to common target
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add_dependencies(ssl_static_lib openssl)
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add_dependencies(ssl_shared_lib openssl)
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add_dependencies(crypto_static_lib openssl)
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add_dependencies(crypto_shared_lib openssl)
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if (OPENSSL_USE_STATIC_LIBS)
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target_link_libraries(ssl INTERFACE ssl_static_lib)
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target_link_libraries(crypto INTERFACE crypto_static_lib)
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else()
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target_link_libraries(ssl INTERFACE ssl_shared_lib)
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target_link_libraries(crypto INTERFACE crypto_shared_lib)
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endif()
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# set include locations
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target_include_directories(ssl BEFORE INTERFACE $<BUILD_INTERFACE:${OPENSSL_INCLUDE_DIR}>)
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target_include_directories(crypto BEFORE INTERFACE $<BUILD_INTERFACE:${OPENSSL_INCLUDE_DIR}>)
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install(DIRECTORY ${OPENSSL_PREFIX}/usr/local/bin/ TYPE BIN)
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install(DIRECTORY ${OPENSSL_PREFIX}/usr/local/include/ TYPE INCLUDE)
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install(DIRECTORY ${OPENSSL_PREFIX}/usr/local/lib/ TYPE LIB)
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if (OPENSSL_INSTALL_MAN)
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install(DIRECTORY ${OPENSSL_PREFIX}/usr/local/share/ TYPE DATA)
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endif()
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endif()
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