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157 lines
6.5 KiB
CMake
157 lines
6.5 KiB
CMake
# - Try to find the OpenSSL encryption library
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# Once done this will define
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#
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# OPENSSL_ROOT_DIR - Set this variable to the root installation of OpenSSL
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#
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# Read-Only variables:
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# OPENSSL_FOUND - system has the OpenSSL library
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# OPENSSL_INCLUDE_DIR - the OpenSSL include directory
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# OPENSSL_LIBRARIES - The libraries needed to use OpenSSL
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# OPENSSL_VERSION - This is set to $major.$minor.$revision (eg. 0.9.8)
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#=============================================================================
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# Copyright 2006-2009 Kitware, Inc.
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# Copyright 2006 Alexander Neundorf <neundorf@kde.org>
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# Copyright 2009-2011 Mathieu Malaterre <mathieu.malaterre@gmail.com>
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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# http://www.slproweb.com/products/Win32OpenSSL.html
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SET(_OPENSSL_ROOT_HINTS
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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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)
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SET(_OPENSSL_ROOT_PATHS
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"C:/OpenSSL/"
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)
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FIND_PATH(OPENSSL_ROOT_DIR
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NAMES include/openssl/ssl.h
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HINTS ${_OPENSSL_ROOT_HINTS}
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PATHS ${_OPENSSL_ROOT_PATHS}
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ENV OPENSSL_ROOT_DIR
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)
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MARK_AS_ADVANCED(OPENSSL_ROOT_DIR)
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# Re-use the previous path:
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FIND_PATH(OPENSSL_INCLUDE_DIR openssl/ssl.h
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PATHS ${OPENSSL_ROOT_DIR}/include
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)
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IF(WIN32 AND NOT CYGWIN)
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# MINGW should go here too
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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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# TODO: handle /MT and static lib
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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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FIND_LIBRARY(LIB_EAY_DEBUG NAMES libeay32MDd libeay32
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PATHS ${OPENSSL_ROOT_DIR}
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PATH_SUFFIXES "lib" "VC" "lib/VC"
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)
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FIND_LIBRARY(LIB_EAY_RELEASE NAMES libeay32MD libeay32
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PATHS ${OPENSSL_ROOT_DIR}
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PATH_SUFFIXES "lib" "VC" "lib/VC"
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)
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FIND_LIBRARY(SSL_EAY_DEBUG NAMES ssleay32MDd ssleay32 ssl
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PATHS ${OPENSSL_ROOT_DIR}
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PATH_SUFFIXES "lib" "VC" "lib/VC"
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)
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FIND_LIBRARY(SSL_EAY_RELEASE NAMES ssleay32MD ssleay32 ssl
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PATHS ${OPENSSL_ROOT_DIR}
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PATH_SUFFIXES "lib" "VC" "lib/VC"
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)
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if( CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE )
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set( OPENSSL_LIBRARIES
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optimized ${SSL_EAY_RELEASE} debug ${SSL_EAY_DEBUG}
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optimized ${LIB_EAY_RELEASE} debug ${LIB_EAY_DEBUG}
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)
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else()
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set( OPENSSL_LIBRARIES ${SSL_EAY_RELEASE} ${LIB_EAY_RELEASE} )
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endif()
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MARK_AS_ADVANCED(SSL_EAY_DEBUG SSL_EAY_RELEASE)
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MARK_AS_ADVANCED(LIB_EAY_DEBUG LIB_EAY_RELEASE)
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ELSEIF(MINGW)
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# same player, for MingW
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FIND_LIBRARY(LIB_EAY NAMES libeay32
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PATHS ${OPENSSL_ROOT_DIR}
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PATH_SUFFIXES "lib" "VC" "lib/MinGW"
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)
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FIND_LIBRARY(SSL_EAY NAMES ssleay32
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PATHS ${OPENSSL_ROOT_DIR}
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PATH_SUFFIXES "lib" "VC" "lib/MinGW"
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)
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MARK_AS_ADVANCED(SSL_EAY LIB_EAY)
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set( OPENSSL_LIBRARIES ${SSL_EAY} ${LIB_EAY} )
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ELSE(MSVC)
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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 NAMES libeay32
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PATHS ${OPENSSL_ROOT_DIR}/lib
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)
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FIND_LIBRARY(SSL_EAY NAMES ssleay32
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PATHS ${OPENSSL_ROOT_DIR}/lib
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)
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MARK_AS_ADVANCED(SSL_EAY LIB_EAY)
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set( OPENSSL_LIBRARIES ${SSL_EAY} ${LIB_EAY} )
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ENDIF(MSVC)
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ELSE(WIN32 AND NOT CYGWIN)
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FIND_LIBRARY(OPENSSL_SSL_LIBRARIES NAMES ssl ssleay32 ssleay32MD)
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FIND_LIBRARY(OPENSSL_CRYPTO_LIBRARIES NAMES crypto)
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MARK_AS_ADVANCED(OPENSSL_CRYPTO_LIBRARIES OPENSSL_SSL_LIBRARIES)
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SET(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARIES} ${OPENSSL_CRYPTO_LIBRARIES})
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ENDIF(WIN32 AND NOT CYGWIN)
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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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"
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OPENSSL_LIBRARIES
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OPENSSL_INCLUDE_DIR
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)
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IF(OPENSSL_FOUND)
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file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" openssl_version_str REGEX "^#define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x[0-9][0-9][0-9][0-9][0-9][0-9].*")
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string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x([0-9]).*$" "\\1" OPENSSL_VERSION_MAJOR "${openssl_version_str}")
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string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x[0-9]([0-9][0-9]).*$" "\\1" OPENSSL_VERSION_MINOR "${openssl_version_str}")
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string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x[0-9][0-9][0-9]([0-9][0-9]).*$" "\\1" OPENSSL_VERSION_PATCH "${openssl_version_str}")
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string(REGEX REPLACE "^0" "" OPENSSL_VERSION_MINOR "${OPENSSL_VERSION_MINOR}")
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string(REGEX REPLACE "^0" "" OPENSSL_VERSION_PATCH "${OPENSSL_VERSION_PATCH}")
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set(OPENSSL_VERSION "${OPENSSL_VERSION_MAJOR}.${OPENSSL_VERSION_MINOR}.${OPENSSL_VERSION_PATCH}")
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if(OpenSSL_FIND_VERSION)
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if(OpenSSL_FIND_VERSION_EXACT AND NOT ${OPENSSL_VERSION} VERSION_EQUAL ${OpenSSL_FIND_VERSION})
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message(FATAL_ERROR "OpenSSL version found (${OPENSSL_VERSION}) does not match the required one (${OpenSSL_FIND_VERSION}), aborting.")
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elseif(${OPENSSL_VERSION} VERSION_LESS ${OpenSSL_FIND_VERSION})
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if(OpenSSL_FIND_REQUIRED)
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message(FATAL_ERROR "OpenSSL version found (${OPENSSL_VERSION}) is less then the minimum required (${OpenSSL_FIND_VERSION}), aborting.")
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else(OpenSSL_FIND_REQUIRED)
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message("OpenSSL version found (${OPENSSL_VERSION}) is less then the minimum required (${OpenSSL_FIND_VERSION}), continue without OpenSSL support.")
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set(OPENSSL_FOUND FALSE)
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endif(OpenSSL_FIND_REQUIRED)
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endif()
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endif(OpenSSL_FIND_VERSION)
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ENDIF (OPENSSL_FOUND)
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MARK_AS_ADVANCED(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES)
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