mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-09 01:07:16 +01:00
464 lines
14 KiB
CMake
464 lines
14 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# FindOpenSSL
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# -----------
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#
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# Find the OpenSSL encryption library.
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#
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# Imported Targets
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# ^^^^^^^^^^^^^^^^
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#
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# This module defines the following :prop_tgt:`IMPORTED` targets:
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#
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# ``OpenSSL::SSL``
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# The OpenSSL ``ssl`` library, if found.
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# ``OpenSSL::Crypto``
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# The OpenSSL ``crypto`` library, if found.
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#
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# Result Variables
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# ^^^^^^^^^^^^^^^^
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#
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# This module will set the following variables in your project:
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#
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# ``OPENSSL_FOUND``
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# System has the OpenSSL library.
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# ``OPENSSL_INCLUDE_DIR``
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# The OpenSSL include directory.
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# ``OPENSSL_CRYPTO_LIBRARY``
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# The OpenSSL crypto library.
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# ``OPENSSL_SSL_LIBRARY``
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# The OpenSSL SSL library.
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# ``OPENSSL_LIBRARIES``
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# All OpenSSL libraries.
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# ``OPENSSL_VERSION``
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# This is set to ``$major.$minor.$revision$patch`` (e.g. ``0.9.8s``).
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#
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# Hints
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# ^^^^^
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#
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# Set ``OPENSSL_ROOT_DIR`` to the root directory of an OpenSSL installation.
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# Set ``OPENSSL_USE_STATIC_LIBS`` to ``TRUE`` to look for static libraries.
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# Set ``OPENSSL_MSVC_STATIC_RT`` set ``TRUE`` to choose the MT version of the lib.
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if (UNIX)
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find_package(PkgConfig QUIET)
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pkg_check_modules(_OPENSSL QUIET openssl)
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endif ()
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# Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES
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if(OPENSSL_USE_STATIC_LIBS)
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set(_openssl_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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if(WIN32)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
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else()
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set(CMAKE_FIND_LIBRARY_SUFFIXES .a )
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endif()
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endif()
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if (WIN32)
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# http://www.slproweb.com/products/Win32OpenSSL.html
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set(_OPENSSL_ROOT_HINTS
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${OPENSSL_ROOT_DIR}
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;Inno Setup: App Path]"
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (64-bit)_is1;Inno Setup: App Path]"
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ENV OPENSSL_ROOT_DIR
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)
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file(TO_CMAKE_PATH "$ENV{PROGRAMFILES}" _programfiles)
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set(_OPENSSL_ROOT_PATHS
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"${_programfiles}/OpenSSL"
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"${_programfiles}/OpenSSL-Win32"
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"${_programfiles}/OpenSSL-Win64"
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"C:/OpenSSL/"
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"C:/OpenSSL-Win32/"
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"C:/OpenSSL-Win64/"
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)
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unset(_programfiles)
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else ()
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set(_OPENSSL_ROOT_HINTS
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${OPENSSL_ROOT_DIR}
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ENV OPENSSL_ROOT_DIR
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)
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endif ()
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set(_OPENSSL_ROOT_HINTS_AND_PATHS
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HINTS ${_OPENSSL_ROOT_HINTS}
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PATHS ${_OPENSSL_ROOT_PATHS}
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)
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find_path(OPENSSL_INCLUDE_DIR
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NAMES
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openssl/ssl.h
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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HINTS
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${_OPENSSL_INCLUDEDIR}
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PATH_SUFFIXES
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include
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)
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if(WIN32 AND NOT CYGWIN)
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if(MSVC)
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# /MD and /MDd are the standard values - if someone wants to use
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# others, the libnames have to change here too
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# use also ssl and ssleay32 in debug as fallback for openssl < 0.9.8b
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# enable OPENSSL_MSVC_STATIC_RT to get the libs build /MT (Multithreaded no-DLL)
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# In Visual C++ naming convention each of these four kinds of Windows libraries has it's standard suffix:
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# * MD for dynamic-release
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# * MDd for dynamic-debug
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# * MT for static-release
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# * MTd for static-debug
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# Implementation details:
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# We are using the libraries located in the VC subdir instead of the parent directory eventhough :
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# libeay32MD.lib is identical to ../libeay32.lib, and
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# ssleay32MD.lib is identical to ../ssleay32.lib
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# enable OPENSSL_USE_STATIC_LIBS to use the static libs located in lib/VC/static
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if (OPENSSL_MSVC_STATIC_RT)
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set(_OPENSSL_MSVC_RT_MODE "MT")
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else ()
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set(_OPENSSL_MSVC_RT_MODE "MD")
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endif ()
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# Since OpenSSL 1.1, lib names are like libcrypto32MTd.lib and libssl32MTd.lib
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if( "${CMAKE_SIZEOF_VOID_P}" STREQUAL "8" )
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set(_OPENSSL_MSVC_ARCH_SUFFIX "64")
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else()
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set(_OPENSSL_MSVC_ARCH_SUFFIX "32")
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endif()
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if(OPENSSL_USE_STATIC_LIBS)
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set(_OPENSSL_PATH_SUFFIXES
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"lib/VC/static"
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"VC/static"
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"lib"
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)
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else()
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set(_OPENSSL_PATH_SUFFIXES
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"lib/VC"
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"VC"
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"lib"
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)
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endif ()
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find_library(LIB_EAY_DEBUG
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NAMES
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libcrypto${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}d
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libcrypto${_OPENSSL_MSVC_RT_MODE}d
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libcryptod
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libeay32${_OPENSSL_MSVC_RT_MODE}d
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libeay32d
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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PATH_SUFFIXES
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${_OPENSSL_PATH_SUFFIXES}
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)
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find_library(LIB_EAY_RELEASE
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NAMES
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libcrypto${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}
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libcrypto${_OPENSSL_MSVC_RT_MODE}
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libcrypto
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libeay32${_OPENSSL_MSVC_RT_MODE}
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libeay32
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crypto
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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PATH_SUFFIXES
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${_OPENSSL_PATH_SUFFIXES}
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)
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find_library(SSL_EAY_DEBUG
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NAMES
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libssl${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}d
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libssl${_OPENSSL_MSVC_RT_MODE}d
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libssld
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ssleay32${_OPENSSL_MSVC_RT_MODE}d
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ssleay32d
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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PATH_SUFFIXES
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${_OPENSSL_PATH_SUFFIXES}
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)
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find_library(SSL_EAY_RELEASE
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NAMES
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libssl${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}
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libssl${_OPENSSL_MSVC_RT_MODE}
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libssl
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ssleay32${_OPENSSL_MSVC_RT_MODE}
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ssleay32
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ssl
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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PATH_SUFFIXES
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${_OPENSSL_PATH_SUFFIXES}
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)
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set(LIB_EAY_LIBRARY_DEBUG "${LIB_EAY_DEBUG}")
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set(LIB_EAY_LIBRARY_RELEASE "${LIB_EAY_RELEASE}")
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set(SSL_EAY_LIBRARY_DEBUG "${SSL_EAY_DEBUG}")
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set(SSL_EAY_LIBRARY_RELEASE "${SSL_EAY_RELEASE}")
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include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
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select_library_configurations(LIB_EAY)
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select_library_configurations(SSL_EAY)
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mark_as_advanced(LIB_EAY_LIBRARY_DEBUG LIB_EAY_LIBRARY_RELEASE
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SSL_EAY_LIBRARY_DEBUG SSL_EAY_LIBRARY_RELEASE)
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set(OPENSSL_SSL_LIBRARY ${SSL_EAY_LIBRARY} )
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set(OPENSSL_CRYPTO_LIBRARY ${LIB_EAY_LIBRARY} )
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elseif(MINGW)
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# same player, for MinGW
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set(LIB_EAY_NAMES crypto libeay32)
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set(SSL_EAY_NAMES ssl ssleay32)
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find_library(LIB_EAY
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NAMES
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${LIB_EAY_NAMES}
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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PATH_SUFFIXES
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"lib/MinGW"
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"lib"
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)
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find_library(SSL_EAY
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NAMES
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${SSL_EAY_NAMES}
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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PATH_SUFFIXES
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"lib/MinGW"
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"lib"
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)
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mark_as_advanced(SSL_EAY LIB_EAY)
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set(OPENSSL_SSL_LIBRARY ${SSL_EAY} )
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set(OPENSSL_CRYPTO_LIBRARY ${LIB_EAY} )
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unset(LIB_EAY_NAMES)
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unset(SSL_EAY_NAMES)
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else()
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# Not sure what to pick for -say- intel, let's use the toplevel ones and hope someone report issues:
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find_library(LIB_EAY
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NAMES
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libcrypto
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libeay32
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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HINTS
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${_OPENSSL_LIBDIR}
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PATH_SUFFIXES
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lib
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)
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find_library(SSL_EAY
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NAMES
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libssl
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ssleay32
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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HINTS
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${_OPENSSL_LIBDIR}
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PATH_SUFFIXES
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lib
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)
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mark_as_advanced(SSL_EAY LIB_EAY)
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set(OPENSSL_SSL_LIBRARY ${SSL_EAY} )
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set(OPENSSL_CRYPTO_LIBRARY ${LIB_EAY} )
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endif()
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else()
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find_library(OPENSSL_SSL_LIBRARY
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NAMES
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ssl
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ssleay32
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ssleay32MD
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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HINTS
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${_OPENSSL_LIBDIR}
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PATH_SUFFIXES
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lib
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)
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find_library(OPENSSL_CRYPTO_LIBRARY
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NAMES
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crypto
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NAMES_PER_DIR
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${_OPENSSL_ROOT_HINTS_AND_PATHS}
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HINTS
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${_OPENSSL_LIBDIR}
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PATH_SUFFIXES
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lib
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)
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mark_as_advanced(OPENSSL_CRYPTO_LIBRARY OPENSSL_SSL_LIBRARY)
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# compat defines
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set(OPENSSL_SSL_LIBRARIES ${OPENSSL_SSL_LIBRARY})
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set(OPENSSL_CRYPTO_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY})
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endif()
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function(from_hex HEX DEC)
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string(TOUPPER "${HEX}" HEX)
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set(_res 0)
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string(LENGTH "${HEX}" _strlen)
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while (_strlen GREATER 0)
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math(EXPR _res "${_res} * 16")
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string(SUBSTRING "${HEX}" 0 1 NIBBLE)
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string(SUBSTRING "${HEX}" 1 -1 HEX)
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if (NIBBLE STREQUAL "A")
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math(EXPR _res "${_res} + 10")
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elseif (NIBBLE STREQUAL "B")
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math(EXPR _res "${_res} + 11")
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elseif (NIBBLE STREQUAL "C")
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math(EXPR _res "${_res} + 12")
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elseif (NIBBLE STREQUAL "D")
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math(EXPR _res "${_res} + 13")
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elseif (NIBBLE STREQUAL "E")
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math(EXPR _res "${_res} + 14")
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elseif (NIBBLE STREQUAL "F")
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math(EXPR _res "${_res} + 15")
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else()
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math(EXPR _res "${_res} + ${NIBBLE}")
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endif()
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string(LENGTH "${HEX}" _strlen)
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endwhile()
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set(${DEC} ${_res} PARENT_SCOPE)
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endfunction()
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if(OPENSSL_INCLUDE_DIR AND EXISTS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h")
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file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" openssl_version_str
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REGEX "^#[\t ]*define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-fA-F])+.*")
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if(openssl_version_str)
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# The version number is encoded as 0xMNNFFPPS: major minor fix patch status
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||
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# The status gives if this is a developer or prerelease and is ignored here.
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||
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# Major, minor, and fix directly translate into the version numbers shown in
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||
|
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# the string. The patch field translates to the single character suffix that
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||
|
|
# indicates the bug fix state, which 00 -> nothing, 01 -> a, 02 -> b and so
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||
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# on.
|
||
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string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F]).*$"
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"\\1;\\2;\\3;\\4;\\5" OPENSSL_VERSION_LIST "${openssl_version_str}")
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list(GET OPENSSL_VERSION_LIST 0 OPENSSL_VERSION_MAJOR)
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list(GET OPENSSL_VERSION_LIST 1 OPENSSL_VERSION_MINOR)
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from_hex("${OPENSSL_VERSION_MINOR}" OPENSSL_VERSION_MINOR)
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||
|
|
list(GET OPENSSL_VERSION_LIST 2 OPENSSL_VERSION_FIX)
|
||
|
|
from_hex("${OPENSSL_VERSION_FIX}" OPENSSL_VERSION_FIX)
|
||
|
|
list(GET OPENSSL_VERSION_LIST 3 OPENSSL_VERSION_PATCH)
|
||
|
|
|
||
|
|
if (NOT OPENSSL_VERSION_PATCH STREQUAL "00")
|
||
|
|
from_hex("${OPENSSL_VERSION_PATCH}" _tmp)
|
||
|
|
# 96 is the ASCII code of 'a' minus 1
|
||
|
|
math(EXPR OPENSSL_VERSION_PATCH_ASCII "${_tmp} + 96")
|
||
|
|
unset(_tmp)
|
||
|
|
# Once anyone knows how OpenSSL would call the patch versions beyond 'z'
|
||
|
|
# this should be updated to handle that, too. This has not happened yet
|
||
|
|
# so it is simply ignored here for now.
|
||
|
|
string(ASCII "${OPENSSL_VERSION_PATCH_ASCII}" OPENSSL_VERSION_PATCH_STRING)
|
||
|
|
endif ()
|
||
|
|
|
||
|
|
set(OPENSSL_VERSION "${OPENSSL_VERSION_MAJOR}.${OPENSSL_VERSION_MINOR}.${OPENSSL_VERSION_FIX}${OPENSSL_VERSION_PATCH_STRING}")
|
||
|
|
endif ()
|
||
|
|
endif ()
|
||
|
|
|
||
|
|
include(FindPackageHandleStandardArgs)
|
||
|
|
|
||
|
|
set(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY} )
|
||
|
|
|
||
|
|
if (OPENSSL_VERSION)
|
||
|
|
find_package_handle_standard_args(OpenSSL
|
||
|
|
REQUIRED_VARS
|
||
|
|
#OPENSSL_SSL_LIBRARY # FIXME: require based on a component request?
|
||
|
|
OPENSSL_CRYPTO_LIBRARY
|
||
|
|
OPENSSL_INCLUDE_DIR
|
||
|
|
VERSION_VAR
|
||
|
|
OPENSSL_VERSION
|
||
|
|
FAIL_MESSAGE
|
||
|
|
"Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR"
|
||
|
|
)
|
||
|
|
else ()
|
||
|
|
find_package_handle_standard_args(OpenSSL "Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR"
|
||
|
|
#OPENSSL_SSL_LIBRARY # FIXME: require based on a component request?
|
||
|
|
OPENSSL_CRYPTO_LIBRARY
|
||
|
|
OPENSSL_INCLUDE_DIR
|
||
|
|
)
|
||
|
|
endif ()
|
||
|
|
|
||
|
|
mark_as_advanced(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES)
|
||
|
|
|
||
|
|
if(OPENSSL_FOUND)
|
||
|
|
if(NOT TARGET OpenSSL::Crypto AND
|
||
|
|
(EXISTS "${OPENSSL_CRYPTO_LIBRARY}" OR
|
||
|
|
EXISTS "${LIB_EAY_LIBRARY_DEBUG}" OR
|
||
|
|
EXISTS "${LIB_EAY_LIBRARY_RELEASE}")
|
||
|
|
)
|
||
|
|
add_library(OpenSSL::Crypto UNKNOWN IMPORTED)
|
||
|
|
set_target_properties(OpenSSL::Crypto PROPERTIES
|
||
|
|
INTERFACE_INCLUDE_DIRECTORIES "${OPENSSL_INCLUDE_DIR}")
|
||
|
|
if(EXISTS "${OPENSSL_CRYPTO_LIBRARY}")
|
||
|
|
set_target_properties(OpenSSL::Crypto PROPERTIES
|
||
|
|
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
|
||
|
|
IMPORTED_LOCATION "${OPENSSL_CRYPTO_LIBRARY}")
|
||
|
|
endif()
|
||
|
|
if(EXISTS "${LIB_EAY_LIBRARY_RELEASE}")
|
||
|
|
set_property(TARGET OpenSSL::Crypto APPEND PROPERTY
|
||
|
|
IMPORTED_CONFIGURATIONS RELEASE)
|
||
|
|
set_target_properties(OpenSSL::Crypto PROPERTIES
|
||
|
|
IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
|
||
|
|
IMPORTED_LOCATION_RELEASE "${LIB_EAY_LIBRARY_RELEASE}")
|
||
|
|
endif()
|
||
|
|
if(EXISTS "${LIB_EAY_LIBRARY_DEBUG}")
|
||
|
|
set_property(TARGET OpenSSL::Crypto APPEND PROPERTY
|
||
|
|
IMPORTED_CONFIGURATIONS DEBUG)
|
||
|
|
set_target_properties(OpenSSL::Crypto PROPERTIES
|
||
|
|
IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C"
|
||
|
|
IMPORTED_LOCATION_DEBUG "${LIB_EAY_LIBRARY_DEBUG}")
|
||
|
|
endif()
|
||
|
|
endif()
|
||
|
|
if(NOT TARGET OpenSSL::SSL AND
|
||
|
|
(EXISTS "${OPENSSL_SSL_LIBRARY}" OR
|
||
|
|
EXISTS "${SSL_EAY_LIBRARY_DEBUG}" OR
|
||
|
|
EXISTS "${SSL_EAY_LIBRARY_RELEASE}")
|
||
|
|
)
|
||
|
|
add_library(OpenSSL::SSL UNKNOWN IMPORTED)
|
||
|
|
set_target_properties(OpenSSL::SSL PROPERTIES
|
||
|
|
INTERFACE_INCLUDE_DIRECTORIES "${OPENSSL_INCLUDE_DIR}")
|
||
|
|
if(EXISTS "${OPENSSL_SSL_LIBRARY}")
|
||
|
|
set_target_properties(OpenSSL::SSL PROPERTIES
|
||
|
|
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
|
||
|
|
IMPORTED_LOCATION "${OPENSSL_SSL_LIBRARY}")
|
||
|
|
endif()
|
||
|
|
if(EXISTS "${SSL_EAY_LIBRARY_RELEASE}")
|
||
|
|
set_property(TARGET OpenSSL::SSL APPEND PROPERTY
|
||
|
|
IMPORTED_CONFIGURATIONS RELEASE)
|
||
|
|
set_target_properties(OpenSSL::SSL PROPERTIES
|
||
|
|
IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
|
||
|
|
IMPORTED_LOCATION_RELEASE "${SSL_EAY_LIBRARY_RELEASE}")
|
||
|
|
endif()
|
||
|
|
if(EXISTS "${SSL_EAY_LIBRARY_DEBUG}")
|
||
|
|
set_property(TARGET OpenSSL::SSL APPEND PROPERTY
|
||
|
|
IMPORTED_CONFIGURATIONS DEBUG)
|
||
|
|
set_target_properties(OpenSSL::SSL PROPERTIES
|
||
|
|
IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C"
|
||
|
|
IMPORTED_LOCATION_DEBUG "${SSL_EAY_LIBRARY_DEBUG}")
|
||
|
|
endif()
|
||
|
|
if(TARGET OpenSSL::Crypto)
|
||
|
|
set_target_properties(OpenSSL::SSL PROPERTIES
|
||
|
|
INTERFACE_LINK_LIBRARIES OpenSSL::Crypto)
|
||
|
|
endif()
|
||
|
|
endif()
|
||
|
|
endif()
|
||
|
|
|
||
|
|
# Restore the original find library ordering
|
||
|
|
if(OPENSSL_USE_STATIC_LIBS)
|
||
|
|
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_openssl_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
|
||
|
|
endif()
|