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FreeRDP/cmake/FindOpenSSL.cmake

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CMake
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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.$revision$path (eg. 0.9.8s)
#=============================================================================
# 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 AND NOT ANDROID)
find_package(PkgConfig QUIET)
pkg_check_modules(_OPENSSL QUIET openssl)
endif (UNIX AND NOT ANDROID)
# http://www.slproweb.com/products/Win32OpenSSL.html
SET(_OPENSSL_ROOT_HINTS
$ENV{OPENSSL_ROOT_DIR}
${OPENSSL_ROOT_DIR}
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;Inno Setup: App Path]"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (64-bit)_is1;Inno Setup: App Path]"
)
SET(_OPENSSL_ROOT_PATHS
"$ENV{PROGRAMFILES}/OpenSSL"
"$ENV{PROGRAMFILES}/OpenSSL-Win32"
"$ENV{PROGRAMFILES}/OpenSSL-Win64"
"C:/OpenSSL/"
"C:/OpenSSL-Win32/"
"C:/OpenSSL-Win64/"
"/obj/local/armeabi/"
"/obj/local/armeabi-v7a/"
)
SET(_OPENSSL_ROOT_HINTS_AND_PATHS
HINTS ${_OPENSSL_ROOT_HINTS}
PATHS ${_OPENSSL_ROOT_PATHS}
)
FIND_PATH(OPENSSL_INCLUDE_DIR
NAMES
openssl/ssl.h
PATH_SUFFIXES
"include"
HINTS
${_OPENSSL_INCLUDEDIR}
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
include
)
IF(MSVC)
if(${MSVC_RUNTIME} STREQUAL "static")
set(MSVC_RUNTIME_SUFFIX "MT")
else()
set(MSVC_RUNTIME_SUFFIX "MD")
endif()
ENDIF(MSVC)
IF(ANDROID)
FIND_LIBRARY(SSL_LIBRARY
NAMES
"ssl"
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
"lib"
)
FIND_LIBRARY(CRYPTO_LIBRARY
NAMES
"crypto"
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
"lib"
)
list(APPEND OPENSSL_LIBRARIES ${SSL_LIBRARY} ${CRYPTO_LIBRARY})
ELSEIF(WIN32 AND NOT CYGWIN)
# MINGW should go here too
IF(MSVC)
# /MD and /MDd are the standard values - if someone wants to use
# others, the libnames have to change here too
# use also ssl and ssleay32 in debug as fallback for openssl < 0.9.8b
# TODO: handle /MT and static lib
# In Visual C++ naming convention each of these four kinds of Windows libraries has it's standard suffix:
# * MD for dynamic-release
# * MDd for dynamic-debug
# * MT for static-release
# * MTd for static-debug
# Implementation details:
# We are using the libraries located in the VC subdir instead of the parent directory even though :
# libeay32MD.lib is identical to ../libeay32.lib, and
# ssleay32MD.lib is identical to ../ssleay32.lib
if(DEFINED OPENSSL_STATIC)
set(MSVC_RUNTIME_PATH_SUFFIX "lib/VC/static")
else()
set(MSVC_RUNTIME_PATH_SUFFIX "")
endif()
FIND_LIBRARY(LIB_EAY_DEBUG
NAMES
"libeay32${MSVC_RUNTIME_SUFFIX}d"
libeay32
libcrypto
libcrypto-1_1
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
${MSVC_RUNTIME_PATH_SUFFIX}
"lib"
"VC"
"lib/VC"
)
FIND_LIBRARY(LIB_EAY_RELEASE
NAMES
"libeay32${MSVC_RUNTIME_SUFFIX}"
libeay32
libcrypto
libcrypto-1_1
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
${MSVC_RUNTIME_PATH_SUFFIX}
"lib"
"VC"
"lib/VC"
)
FIND_LIBRARY(SSL_EAY_DEBUG
NAMES
"ssleay32${MSVC_RUNTIME_SUFFIX}d"
ssleay32
ssl
libssl
libssl-1_1
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
${MSVC_RUNTIME_PATH_SUFFIX}
"lib"
"VC"
"lib/VC"
)
FIND_LIBRARY(SSL_EAY_RELEASE
NAMES
"ssleay32${MSVC_RUNTIME_SUFFIX}"
ssleay32
ssl
libssl
libssl-1_1
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
${MSVC_RUNTIME_PATH_SUFFIX}
"lib"
"VC"
"lib/VC"
)
set( OPENSSL_DEBUG_LIBRARIES ${SSL_EAY_DEBUG} ${LIB_EAY_DEBUG} )
set( OPENSSL_RELEASE_LIBRARIES ${SSL_EAY_RELEASE} ${LIB_EAY_RELEASE} )
set( OPENSSL_LIBRARIES ${OPENSSL_RELEASE_LIBRARIES} )
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
libcrypto
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
"lib"
"lib/MinGW"
)
FIND_LIBRARY(SSL_EAY
NAMES
ssleay32
libssl
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
"lib"
"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
libcrypto
libcrypto-1_1
HINTS
${_OPENSSL_LIBDIR}
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
lib
)
FIND_LIBRARY(SSL_EAY
NAMES
ssleay32
libssl
libssl-1_1
HINTS
${_OPENSSL_LIBDIR}
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
lib
)
MARK_AS_ADVANCED(SSL_EAY LIB_EAY)
set( OPENSSL_LIBRARIES ${SSL_EAY} ${LIB_EAY} )
ENDIF(MSVC)
ELSE(WIN32 AND NOT CYGWIN)
FIND_LIBRARY(OPENSSL_SSL_LIBRARY
NAMES
ssl
ssleay32
libssl-1_1
"ssleay32${MSVC_RUNTIME_SUFFIX}"
HINTS
${_OPENSSL_LIBDIR}
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
lib
)
FIND_LIBRARY(OPENSSL_CRYPTO_LIBRARY
NAMES
crypto
libcrypto-1_1
HINTS
${_OPENSSL_LIBDIR}
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
lib
)
MARK_AS_ADVANCED(OPENSSL_CRYPTO_LIBRARY OPENSSL_SSL_LIBRARY)
# compat defines
SET(OPENSSL_SSL_LIBRARIES ${OPENSSL_SSL_LIBRARY})
SET(OPENSSL_CRYPTO_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY})
SET(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
ENDIF(ANDROID)
function(from_hex HEX DEC)
string(TOUPPER "${HEX}" HEX)
set(_res 0)
string(LENGTH "${HEX}" _strlen)
while (_strlen GREATER 0)
math(EXPR _res "${_res} * 16")
string(SUBSTRING "${HEX}" 0 1 NIBBLE)
string(SUBSTRING "${HEX}" 1 -1 HEX)
if (NIBBLE STREQUAL "A")
math(EXPR _res "${_res} + 10")
elseif (NIBBLE STREQUAL "B")
math(EXPR _res "${_res} + 11")
elseif (NIBBLE STREQUAL "C")
math(EXPR _res "${_res} + 12")
elseif (NIBBLE STREQUAL "D")
math(EXPR _res "${_res} + 13")
elseif (NIBBLE STREQUAL "E")
math(EXPR _res "${_res} + 14")
elseif (NIBBLE STREQUAL "F")
math(EXPR _res "${_res} + 15")
else()
math(EXPR _res "${_res} + ${NIBBLE}")
endif()
string(LENGTH "${HEX}" _strlen)
endwhile()
set(${DEC} ${_res} PARENT_SCOPE)
endfunction(from_hex)
if (OPENSSL_INCLUDE_DIR)
if (_OPENSSL_VERSION)
set(OPENSSL_VERSION "${_OPENSSL_VERSION}")
elseif(OPENSSL_INCLUDE_DIR AND EXISTS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h")
file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" openssl_version_str
REGEX "^#.?define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-fA-F])+.*")
# 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-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]).*$"
"\\1;\\2;\\3;\\4;\\5" OPENSSL_VERSION_LIST "${openssl_version_str}")
list(GET OPENSSL_VERSION_LIST 0 OPENSSL_VERSION_MAJOR)
list(GET OPENSSL_VERSION_LIST 1 OPENSSL_VERSION_MINOR)
from_hex("${OPENSSL_VERSION_MINOR}" OPENSSL_VERSION_MINOR)
list(GET OPENSSL_VERSION_LIST 2 OPENSSL_VERSION_FIX)
from_hex("${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 "${OPENSSL_VERSION_PATCH_ASCII}" OPENSSL_VERSION_PATCH_STRING)
endif (NOT OPENSSL_VERSION_PATCH STREQUAL "00")
set(OPENSSL_VERSION "${OPENSSL_VERSION_MAJOR}.${OPENSSL_VERSION_MINOR}.${OPENSSL_VERSION_FIX}${OPENSSL_VERSION_PATCH_STRING}")
endif (_OPENSSL_VERSION)
endif (OPENSSL_INCLUDE_DIR)
include(FindPackageHandleStandardArgs)
if (OPENSSL_VERSION)
find_package_handle_standard_args(OpenSSL
REQUIRED_VARS
OPENSSL_LIBRARIES
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 (OPENSSL_VERSION)
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
)
endif (OPENSSL_VERSION)
MARK_AS_ADVANCED(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES OPENSSL_DEBUG_LIBRARIES OPENSSL_RELEASE_LIBRARIES)
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