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# - Try to find the OpenSSL encryption library
# Once done this will define
#
# OPENSSL_ROOT_DIR - Set this variable to the root installation of OpenSSL
#
# Read-Only variables:
# OPENSSL_FOUND - system has the OpenSSL library
# OPENSSL_INCLUDE_DIR - the OpenSSL include directory
# OPENSSL_LIBRARIES - The libraries needed to use OpenSSL
# OPENSSL_VERSION - This is set to $major.$minor.$revision (eg. 0.9.8)
#=============================================================================
# Copyright 2006-2009 Kitware, Inc.
# Copyright 2006 Alexander Neundorf <neundorf@kde.org>
# Copyright 2009-2011 Mathieu Malaterre <mathieu.malaterre@gmail.com>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
if (UNIX)
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(_OPENSSL openssl)
endif (PKG_CONFIG_FOUND)
endif (UNIX)
# http://www.slproweb.com/products/Win32OpenSSL.html
SET(_OPENSSL_ROOT_HINTS
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;Inno Setup: App Path]"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (64-bit)_is1;Inno Setup: App Path]"
)
SET(_OPENSSL_ROOT_PATHS
"C:/OpenSSL/"
)
FIND_PATH(OPENSSL_ROOT_DIR
NAMES include/openssl/ssl.h
HINTS ${_OPENSSL_ROOT_HINTS}
PATHS ${_OPENSSL_ROOT_PATHS}
ENV OPENSSL_ROOT_DIR
)
MARK_AS_ADVANCED(OPENSSL_ROOT_DIR)
# Re-use the previous path:
FIND_PATH(OPENSSL_INCLUDE_DIR
NAMES
openssl/ssl.h
PATHS
${_OPENSSL_INCLUDEDIR}
${OPENSSL_ROOT_DIR}/include
)
IF(WIN32 AND NOT CYGWIN)
# MINGW should go here too
IF(MSVC)
# /MD and /MDd are the standard values - if someone wants to use
# others, the libnames have to change here too
# use also ssl and ssleay32 in debug as fallback for openssl < 0.9.8b
# TODO: handle /MT and static lib
# In Visual C++ naming convention each of these four kinds of Windows libraries has it's standard suffix:
# * MD for dynamic-release
# * MDd for dynamic-debug
# * MT for static-release
# * MTd for static-debug
# Implementation details:
# We are using the libraries located in the VC subdir instead of the parent directory eventhough :
# libeay32MD.lib is identical to ../libeay32.lib, and
# ssleay32MD.lib is identical to ../ssleay32.lib
FIND_LIBRARY(LIB_EAY_DEBUG NAMES libeay32MDd libeay32
PATHS ${OPENSSL_ROOT_DIR}
PATH_SUFFIXES "lib" "VC" "lib/VC"
)
FIND_LIBRARY(LIB_EAY_RELEASE NAMES libeay32MD libeay32
PATHS ${OPENSSL_ROOT_DIR}
PATH_SUFFIXES "lib" "VC" "lib/VC"
)
FIND_LIBRARY(SSL_EAY_DEBUG NAMES ssleay32MDd ssleay32 ssl
PATHS ${OPENSSL_ROOT_DIR}
PATH_SUFFIXES "lib" "VC" "lib/VC"
)
FIND_LIBRARY(SSL_EAY_RELEASE NAMES ssleay32MD ssleay32 ssl
PATHS ${OPENSSL_ROOT_DIR}
PATH_SUFFIXES "lib" "VC" "lib/VC"
)
if( CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE )
set( OPENSSL_LIBRARIES
optimized ${SSL_EAY_RELEASE} debug ${SSL_EAY_DEBUG}
optimized ${LIB_EAY_RELEASE} debug ${LIB_EAY_DEBUG}
)
else()
set( OPENSSL_LIBRARIES ${SSL_EAY_RELEASE} ${LIB_EAY_RELEASE} )
endif()
MARK_AS_ADVANCED(SSL_EAY_DEBUG SSL_EAY_RELEASE)
MARK_AS_ADVANCED(LIB_EAY_DEBUG LIB_EAY_RELEASE)
ELSEIF(MINGW)
# same player, for MingW
FIND_LIBRARY(LIB_EAY NAMES libeay32
PATHS ${OPENSSL_ROOT_DIR}
PATH_SUFFIXES "lib" "VC" "lib/MinGW"
)
FIND_LIBRARY(SSL_EAY NAMES ssleay32
PATHS ${OPENSSL_ROOT_DIR}
PATH_SUFFIXES "lib" "VC" "lib/MinGW"
)
MARK_AS_ADVANCED(SSL_EAY LIB_EAY)
set( OPENSSL_LIBRARIES ${SSL_EAY} ${LIB_EAY} )
ELSE(MSVC)
# Not sure what to pick for -say- intel, let's use the toplevel ones and hope someone report issues:
FIND_LIBRARY(LIB_EAY
NAMES
libeay32
PATHS
${_OPENSSL_LIBDIR}
${OPENSSL_ROOT_DIR}/lib
)
FIND_LIBRARY(SSL_EAY
NAMES
ssleay32
PATHS
${_OPENSSL_LIBDIR}
${OPENSSL_ROOT_DIR}/lib
)
MARK_AS_ADVANCED(SSL_EAY LIB_EAY)
set( OPENSSL_LIBRARIES ${SSL_EAY} ${LIB_EAY} )
ENDIF(MSVC)
ELSE(WIN32 AND NOT CYGWIN)
FIND_LIBRARY(OPENSSL_SSL_LIBRARIES
NAMES
ssl
ssleay32
ssleay32MD
PATHS
${_OPENSSL_LIBDIR}
)
FIND_LIBRARY(OPENSSL_CRYPTO_LIBRARIES
NAMES
crypto
PATHS
${_OPENSSL_LIBDIR}
)
MARK_AS_ADVANCED(OPENSSL_CRYPTO_LIBRARIES OPENSSL_SSL_LIBRARIES)
SET(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARIES} ${OPENSSL_CRYPTO_LIBRARIES})
ENDIF(WIN32 AND NOT CYGWIN)
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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_LIBRARIES
OPENSSL_INCLUDE_DIR
)
IF(OPENSSL_FOUND)
file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" openssl_version_str REGEX "^#define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x[0-9][0-9][0-9][0-9][0-9][0-9].*")
string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x([0-9]).*$" "\\1" OPENSSL_VERSION_MAJOR "${openssl_version_str}")
string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x[0-9]([0-9][0-9]).*$" "\\1" OPENSSL_VERSION_MINOR "${openssl_version_str}")
string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x[0-9][0-9][0-9]([0-9][0-9]).*$" "\\1" OPENSSL_VERSION_PATCH "${openssl_version_str}")
string(REGEX REPLACE "^0" "" OPENSSL_VERSION_MINOR "${OPENSSL_VERSION_MINOR}")
string(REGEX REPLACE "^0" "" OPENSSL_VERSION_PATCH "${OPENSSL_VERSION_PATCH}")
set(OPENSSL_VERSION "${OPENSSL_VERSION_MAJOR}.${OPENSSL_VERSION_MINOR}.${OPENSSL_VERSION_PATCH}")
if(OpenSSL_FIND_VERSION)
if(OpenSSL_FIND_VERSION_EXACT AND NOT ${OPENSSL_VERSION} VERSION_EQUAL ${OpenSSL_FIND_VERSION})
message(FATAL_ERROR "OpenSSL version found (${OPENSSL_VERSION}) does not match the required one (${OpenSSL_FIND_VERSION}), aborting.")
elseif(${OPENSSL_VERSION} VERSION_LESS ${OpenSSL_FIND_VERSION})
if(OpenSSL_FIND_REQUIRED)
message(FATAL_ERROR "OpenSSL version found (${OPENSSL_VERSION}) is less then the minimum required (${OpenSSL_FIND_VERSION}), aborting.")
else(OpenSSL_FIND_REQUIRED)
message("OpenSSL version found (${OPENSSL_VERSION}) is less then the minimum required (${OpenSSL_FIND_VERSION}), continue without OpenSSL support.")
set(OPENSSL_FOUND FALSE)
endif(OpenSSL_FIND_REQUIRED)
endif()
endif(OpenSSL_FIND_VERSION)
ENDIF (OPENSSL_FOUND)
MARK_AS_ADVANCED(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES)
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