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https://github.com/gnss-sdr/gnss-sdr
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Look for OpenSSL in the first place, fallback to GnuTLS if not found
Fix test building in some environments
This commit is contained in:
Carles Fernandez
152
cmake/Modules/GnssSdrCrypto.cmake
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152
cmake/Modules/GnssSdrCrypto.cmake
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# GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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# This file is part of GNSS-SDR.
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#
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# SPDX-FileCopyrightText: 2024 C. Fernandez-Prades cfernandez(at)cttc.es
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# SPDX-License-Identifier: BSD-3-Clause
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################################################################################
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# OpenSSL https://www.openssl.org/
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################################################################################
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if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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set(OPENSSL_ROOT_DIR /usr/local/opt/openssl) # Trick for Homebrew
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endif()
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find_package(OpenSSL)
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set_package_properties(OpenSSL
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PROPERTIES
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URL "https://www.openssl.org"
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PURPOSE "Used for the OSNMA and SUPL protocol implementations."
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TYPE REQUIRED
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)
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if(OPENSSL_FOUND)
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set_package_properties(OpenSSL
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PROPERTIES
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DESCRIPTION "Cryptography and SSL/TLS Toolkit (found: v${OPENSSL_VERSION})"
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)
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else()
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set_package_properties(OpenSSL
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PROPERTIES
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DESCRIPTION "OpenSSL has not been found, but GnuTLS with openssl compatibility can replace it"
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)
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################################################################################
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# GnuTLS - https://www.gnutls.org/
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################################################################################
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find_package(GnuTLS)
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set_package_properties(GnuTLS PROPERTIES
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URL "https://www.gnutls.org/"
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PURPOSE "Used for the OSNMA and SUPL protocol implementations."
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TYPE REQUIRED
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)
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if(GnuTLS_FOUND AND GNUTLS_VERSION_STRING)
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set_package_properties(GnuTLS PROPERTIES
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DESCRIPTION "Transport Layer Security Library (found: v${GNUTLS_VERSION_STRING})"
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)
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else()
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set_package_properties(GnuTLS PROPERTIES
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DESCRIPTION "Transport Layer Security Library"
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)
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endif()
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find_library(GNUTLS_OPENSSL_LIBRARY
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NAMES gnutls-openssl libgnutls-openssl.so.27
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PATHS
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/usr/lib
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/usr/lib64
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/usr/lib/x86_64-linux-gnu
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/usr/lib/aarch64-linux-gnu
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/usr/lib/arm-linux-gnueabihf
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/usr/lib/arm-linux-gnueabi
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/usr/lib/i386-linux-gnu
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/usr/lib/alpha-linux-gnu
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/usr/lib/hppa-linux-gnu
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/usr/lib/i386-gnu
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/usr/lib/i686-gnu
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/usr/lib/i686-linux-gnu
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/usr/lib/x86_64-kfreebsd-gnu
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/usr/lib/i686-kfreebsd-gnu
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/usr/lib/m68k-linux-gnu
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/usr/lib/mips-linux-gnu
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/usr/lib/mips64el-linux-gnuabi64
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/usr/lib/mipsel-linux-gnu
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/usr/lib/powerpc-linux-gnu
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/usr/lib/powerpc-linux-gnuspe
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/usr/lib/powerpc64-linux-gnu
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/usr/lib/powerpc64le-linux-gnu
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/usr/lib/s390x-linux-gnu
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/usr/lib/riscv64-linux-gnu
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/usr/lib/sparc64-linux-gnu
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/usr/lib/x86_64-linux-gnux32
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/usr/lib/sh4-linux-gnu
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/usr/lib/loongarch64-linux-gnu
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/usr/local/lib
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/usr/local/lib64
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/opt/local/lib
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)
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if(NOT GNUTLS_OPENSSL_LIBRARY)
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message(" The GnuTLS library with openssl compatibility enabled has not been found.")
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message(" You can try to install the required libraries by typing:")
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if(${CMAKE_SYSTEM_NAME} MATCHES "Linux|kFreeBSD|GNU")
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if(${LINUX_DISTRIBUTION} MATCHES "Fedora" OR ${LINUX_DISTRIBUTION} MATCHES "Red Hat")
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message(" sudo yum install openssl-devel")
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else()
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message(" sudo apt-get install libgnutls28-dev")
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endif()
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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message(" 'sudo port install gnutls', if you are using Macports, or")
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message(" 'brew install openssl', if you are using Homebrew.")
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endif()
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message(FATAL_ERROR "OpenSSL or the GnuTLS libraries with openssl compatibility are required to build gnss-sdr")
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endif()
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endif()
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################################################################################
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function(link_to_crypto_dependencies target)
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if(OPENSSL_FOUND)
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if(TARGET OpenSSL::SSL)
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target_link_libraries(core_system_parameters
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PUBLIC
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OpenSSL::SSL
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)
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if(TARGET OpenSSL::Crypto)
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target_link_libraries(core_system_parameters
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PUBLIC
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OpenSSL::Crypto
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)
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endif()
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else()
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target_link_libraries(core_system_parameters
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PUBLIC
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${OPENSSL_LIBRARIES}
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"${OPENSSL_CRYPTO_LIBRARIES}"
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)
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target_include_directories(core_system_parameters
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PUBLIC
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${OPENSSL_INCLUDE_DIR}
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)
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endif()
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if(OPENSSL_VERSION)
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if(OPENSSL_VERSION VERSION_GREATER "3.0.0")
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target_compile_definitions(${target} PUBLIC -DUSE_OPENSSL_3=1)
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else()
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if(NOT OPENSSL_VERSION VERSION_LESS "1.1.1")
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target_compile_definitions(${target} PUBLIC -DUSE_OPENSSL_111=1)
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else()
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endif()
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endif()
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else()
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endif()
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else() # GnuTLS
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target_link_libraries(core_system_parameters
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PUBLIC
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${GNUTLS_LIBRARIES}
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${GNUTLS_OPENSSL_LIBRARY}
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)
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target_include_directories(core_system_parameters
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PUBLIC
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${GNUTLS_INCLUDE_DIR}
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)
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target_compile_definitions(${target} PUBLIC -DUSE_GNUTLS_FALLBACK=1)
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endif()
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endfunction()
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