2024-09-14 00:58:18 +02:00
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cmake_minimum_required(VERSION 3.7)
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2024-10-09 21:42:47 +02:00
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project(libressl-test C)
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find_package(PkgConfig REQUIRED)
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# libressl provides cmake config
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find_package(LibreSSL CONFIG REQUIRED)
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message(STATUS "LibreSSL CONFIG: ${LibreSSL_DIR}")
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string(FIND "${LibreSSL_DIR}" "${VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}" index)
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if(NOT index STREQUAL "0")
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message(SEND_ERROR "LibreSSL CONFIG is not from vcpkg.")
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endif()
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pkg_check_modules(libtls IMPORTED_TARGET REQUIRED libtls)
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if(NOT libtls_VERSION STREQUAL LibreSSL_VERSION)
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message(SEND_ERROR "Unexpected libtls_VERSION '${libtls_VERSION}' (expected: '${LibreSSL_VERSION}')")
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endif()
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2024-09-14 00:58:18 +02:00
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# libressl promises openssl compatibility
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# NB: The port doesn't provide a wrapper, so there is no support
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# for multi-config and for transitive usage requirements.
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find_package(OpenSSL MODULE REQUIRED)
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foreach(target IN ITEMS OpenSSL::SSL OpenSSL::Crypto)
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set(location_found FALSE)
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foreach(property IN ITEMS IMPORTED_LOCATION IMPORTED_LOCATION_DEBUG IMPORTED_LOCATION_RELEASE)
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get_target_property(location ${target} ${property})
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if(NOT location)
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continue()
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endif()
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set(location_found TRUE)
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message(STATUS "${target} ${property}: ${location}")
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string(FIND "${location}" "${VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}" index)
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if(NOT index STREQUAL "0")
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message(SEND_ERROR "${target} ${property} is not from vcpkg.")
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endif()
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endforeach()
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if(NOT location_found)
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message(SEND_ERROR "No location for ${target} binary")
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endif()
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endforeach()
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2024-10-09 21:42:47 +02:00
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if(NOT OPENSSL_VERSION STREQUAL "2.0.0")
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message(SEND_ERROR "Unexpected OPENSSL_VERSION '${OPENSSL_VERSION}' (expected: '2.0.0')")
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endif()
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2024-09-14 00:58:18 +02:00
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2024-10-09 21:42:47 +02:00
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pkg_check_modules(openssl IMPORTED_TARGET REQUIRED openssl)
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# NB: openssl.pc carries libressl version (3.x), but doesn't provide 3.x OpenSSL API.
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if(NOT openssl_VERSION STREQUAL LibreSSL_VERSION)
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message(SEND_ERROR "Unexpected openssl_VERSION '${openssl_VERSION}' (expected: '${LibreSSL_VERSION}')")
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2024-09-14 00:58:18 +02:00
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endif()
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2024-10-09 21:42:47 +02:00
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# compile and link tests
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add_executable(openssl_cmake openssl.c)
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target_link_libraries(openssl_cmake OpenSSL::SSL)
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add_executable(openssl_pkgconfig openssl.c)
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target_link_libraries(openssl_pkgconfig PkgConfig::openssl)
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add_executable(libressl_cmake libressl.c)
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target_link_libraries(libressl_cmake LibreSSL::TLS)
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add_executable(libressl_pkgconfig libressl.c)
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target_link_libraries(libressl_pkgconfig PkgConfig::libtls)
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