mxwcore-legion/cmake/macros/FindOpenSSL.cmake

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2023-11-05 15:26:19 -05:00
# - 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
#=============================================================================
# Copyright 2006-2009 Kitware, Inc.
# Copyright 2006 Alexander Neundorf <neundorf@kde.org>
# Copyright 2009-2010 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 distributed this file outside of CMake, substitute the full
# License text for the above reference.)
# http://www.slproweb.com/products/Win32OpenSSL.html
set(OPENSSL_EXPECTED_VERSION "1.0")
set(OPENSSL_MAX_VERSION "1.2")
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]"
)
IF(PLATFORM EQUAL 64)
SET(_OPENSSL_ROOT_PATHS
"${PROJECT_SOURCE_DIR}/../Requirements/Win64/OpenSSL_1.1.1e_Win64"
#"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (64-bit)_is1;InstallLocation]"
#"C:/OpenSSL-Win64/"
#"C:/OpenSSL/"
)
ELSE()
SET(_OPENSSL_ROOT_PATHS
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;InstallLocation]"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;InstallLocation]"
"C:/OpenSSL/"
)
ENDIF()
FIND_PATH(OPENSSL_ROOT_DIR
NAMES
include/openssl/ssl.h
HINTS
${_OPENSSL_ROOT_HINTS}
PATHS
${_OPENSSL_ROOT_PATHS}
)
MARK_AS_ADVANCED(OPENSSL_ROOT_DIR)
# Re-use the previous path:
FIND_PATH(OPENSSL_INCLUDE_DIR openssl/ssl.h
${OPENSSL_ROOT_DIR}/include
)
IF(WIN32 AND NOT CYGWIN)
# MINGW should go here too
IF(MSVC)
# /MD and /MDd are the standard values - if someone wants to use
# others, the libnames have to change here too
# use also ssl and ssleay32 in debug as fallback for openssl < 0.9.8b
# TODO: handle /MT and static lib
# In Visual C++ naming convention each of these four kinds of Windows libraries has it's standard suffix:
# * MD for dynamic-release
# * MDd for dynamic-debug
# * MT for static-release
# * MTd for static-debug
# Implementation details:
# We are using the libraries located in the VC subdir instead of the parent directory eventhough :
# libeay32MD.lib is identical to ../libeay32.lib, and
# ssleay32MD.lib is identical to ../ssleay32.lib
# Since OpenSSL 1.1, lib names are like libcrypto32MTd.lib and libssl32MTd.lib
if( "${CMAKE_SIZEOF_VOID_P}" STREQUAL "8" )
set(_OPENSSL_MSVC_ARCH_SUFFIX "64")
else()
set(_OPENSSL_MSVC_ARCH_SUFFIX "32")
endif()
FIND_LIBRARY(LIB_EAY_DEBUG
NAMES
libcrypto${_OPENSSL_MSVC_ARCH_SUFFIX}MDd libeay32MDd libeay32
PATHS
${OPENSSL_ROOT_DIR}/lib/VC
)
FIND_LIBRARY(LIB_EAY_RELEASE
NAMES
libcrypto${_OPENSSL_MSVC_ARCH_SUFFIX}MD libeay32MD libeay32
PATHS
${OPENSSL_ROOT_DIR}/lib/VC
)
FIND_LIBRARY(SSL_EAY_DEBUG
NAMES
libssl${_OPENSSL_MSVC_ARCH_SUFFIX}MDd ssleay32MDd ssleay32 ssl
PATHS
${OPENSSL_ROOT_DIR}/lib/VC
)
FIND_LIBRARY(SSL_EAY_RELEASE
NAMES
libssl${_OPENSSL_MSVC_ARCH_SUFFIX}MD ssleay32MD ssleay32 ssl
PATHS
${OPENSSL_ROOT_DIR}/lib/VC
)
if( CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE )
set( OPENSSL_LIBRARIES
optimized ${SSL_EAY_RELEASE} optimized ${LIB_EAY_RELEASE}
debug ${SSL_EAY_DEBUG} debug ${LIB_EAY_DEBUG}
)
else()
set( OPENSSL_LIBRARIES
${SSL_EAY_RELEASE}
${LIB_EAY_RELEASE}
)
endif()
MARK_AS_ADVANCED(SSL_EAY_DEBUG SSL_EAY_RELEASE LIB_EAY_DEBUG LIB_EAY_RELEASE)
ELSEIF(MINGW)
# same player, for MingW
FIND_LIBRARY(LIB_EAY
NAMES
libeay32
PATHS
${OPENSSL_ROOT_DIR}/lib/MinGW
)
FIND_LIBRARY(SSL_EAY NAMES
NAMES
ssleay32
PATHS
${OPENSSL_ROOT_DIR}/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_ROOT_DIR}/lib
${OPENSSL_ROOT_DIR}/lib/VC
)
FIND_LIBRARY(SSL_EAY
NAMES
ssleay32
PATHS
${OPENSSL_ROOT_DIR}/lib
${OPENSSL_ROOT_DIR}/lib/VC
)
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)
FIND_LIBRARY(OPENSSL_CRYPTO_LIBRARIES NAMES crypto)
MARK_AS_ADVANCED(OPENSSL_CRYPTO_LIBRARIES OPENSSL_SSL_LIBRARIES)
SET(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARIES} ${OPENSSL_CRYPTO_LIBRARIES})
ENDIF(WIN32 AND NOT CYGWIN)
if (NOT OPENSSL_INCLUDE_DIR)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(OpenSSL DEFAULT_MSG
OPENSSL_LIBRARIES
OPENSSL_INCLUDE_DIR
)
endif()
if (OPENSSL_INCLUDE_DIR)
message( STATUS "Found OpenSSL library: ${OPENSSL_LIBRARIES}")
message( STATUS "Found OpenSSL headers: ${OPENSSL_INCLUDE_DIR}")
if (_OPENSSL_VERSION)
set(OPENSSL_VERSION "${_OPENSSL_VERSION}")
else (_OPENSSL_VERSION)
file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" openssl_version_str
REGEX "^# *define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x[0-9][0-9][0-9][0-9][0-9][0-9].*")
# The version number is encoded as 0xMNNFFPPS: major minor fix patch status
# The status gives if this is a developer or prerelease and is ignored here.
# Major, minor, and fix directly translate into the version numbers shown in
# the string. The patch field translates to the single character suffix that
# indicates the bug fix state, which 00 -> nothing, 01 -> a, 02 -> b and so
# on.
string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f][0-9a-f])([0-9a-f]).*$"
"\\1;\\2;\\3;\\4;\\5" OPENSSL_VERSION_LIST "${openssl_version_str}")
list(GET OPENSSL_VERSION_LIST 0 OPENSSL_VERSION_MAJOR)
list(GET OPENSSL_VERSION_LIST 1 OPENSSL_VERSION_MINOR)
list(GET OPENSSL_VERSION_LIST 2 OPENSSL_VERSION_FIX)
list(GET OPENSSL_VERSION_LIST 3 OPENSSL_VERSION_PATCH)
string(REGEX REPLACE "^0(.)" "\\1" OPENSSL_VERSION_MINOR "${OPENSSL_VERSION_MINOR}")
string(REGEX REPLACE "^0(.)" "\\1" OPENSSL_VERSION_FIX "${OPENSSL_VERSION_FIX}")
if (NOT OPENSSL_VERSION_PATCH STREQUAL "00")
# 96 is the ASCII code of 'a' minus 1
math(EXPR OPENSSL_VERSION_PATCH_ASCII "${OPENSSL_VERSION_PATCH} + 96")
# 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 "${OPENSSL_VERSION_PATCH_ASCII}" OPENSSL_VERSION_PATCH_STRING)
endif (NOT OPENSSL_VERSION_PATCH STREQUAL "00")
set(OPENSSL_VERSION "${OPENSSL_VERSION_MAJOR}.${OPENSSL_VERSION_MINOR}.${OPENSSL_VERSION_FIX}${OPENSSL_VERSION_PATCH_STRING}")
endif (_OPENSSL_VERSION)
include(EnsureVersion)
ENSURE_VERSION_RANGE("${OPENSSL_EXPECTED_VERSION}" "${OPENSSL_VERSION}" "${OPENSSL_MAX_VERSION}" OPENSSL_VERSION_OK)
if (NOT OPENSSL_VERSION_OK)
message(FATAL_ERROR "TrinityCore needs OpenSSL version ${OPENSSL_EXPECTED_VERSION} but found version ${OPENSSL_VERSION}")
endif()
endif (OPENSSL_INCLUDE_DIR)
MARK_AS_ADVANCED(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES)