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cmake: add OpenSSL and MSVC runtime build options
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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) | ||
find_package(PkgConfig QUIET) | ||
pkg_check_modules(_OPENSSL QUIET openssl) | ||
endif (UNIX) | ||
|
||
# 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/" | ||
) | ||
SET(_OPENSSL_ROOT_HINTS_AND_PATHS | ||
HINTS ${_OPENSSL_ROOT_HINTS} | ||
PATHS ${_OPENSSL_ROOT_PATHS} | ||
) | ||
|
||
FIND_PATH(OPENSSL_INCLUDE_DIR | ||
NAMES | ||
openssl/ssl.h | ||
HINTS | ||
${_OPENSSL_INCLUDEDIR} | ||
${_OPENSSL_ROOT_HINTS_AND_PATHS} | ||
PATH_SUFFIXES | ||
include | ||
) | ||
|
||
IF(WIN32) | ||
if(${MSVC_RUNTIME} STREQUAL "static") | ||
set(MSVC_RUNTIME_SUFFIX "MT") | ||
else() | ||
set(MSVC_RUNTIME_SUFFIX "MD") | ||
endif() | ||
ENDIF(WIN32) | ||
|
||
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 | ||
|
||
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 | ||
${_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 | ||
${_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 | ||
${_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 | ||
${_OPENSSL_ROOT_HINTS_AND_PATHS} | ||
PATH_SUFFIXES | ||
${MSVC_RUNTIME_PATH_SUFFIX} | ||
"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 | ||
${_OPENSSL_ROOT_HINTS_AND_PATHS} | ||
PATH_SUFFIXES | ||
"lib" | ||
"lib/MinGW" | ||
) | ||
|
||
FIND_LIBRARY(SSL_EAY | ||
NAMES | ||
ssleay32 | ||
${_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 | ||
HINTS | ||
${_OPENSSL_LIBDIR} | ||
${_OPENSSL_ROOT_HINTS_AND_PATHS} | ||
PATH_SUFFIXES | ||
lib | ||
) | ||
|
||
FIND_LIBRARY(SSL_EAY | ||
NAMES | ||
ssleay32 | ||
HINTS | ||
${_OPENSSL_LIBDIR} | ||
${_OPENSSL_ROOT_HINTS_AND_PATHS} | ||
PATH_SUFFIXES | ||
lib | ||
) | ||
|
||
MARK_AS_ADVANCED(SSL_EAY LIB_EAY) | ||
set( OPENSSL_LIBRARIES ${SSL_EAY} ${LIB_EAY} ) | ||
ENDIF(MSVC) | ||
ELSE(WIN32 AND NOT CYGWIN) | ||
|
||
FIND_LIBRARY(OPENSSL_SSL_LIBRARY | ||
NAMES | ||
ssl | ||
ssleay32 | ||
"ssleay32${MSVC_RUNTIME_SUFFIX}" | ||
HINTS | ||
${_OPENSSL_LIBDIR} | ||
${_OPENSSL_ROOT_HINTS_AND_PATHS} | ||
PATH_SUFFIXES | ||
lib | ||
) | ||
|
||
FIND_LIBRARY(OPENSSL_CRYPTO_LIBRARY | ||
NAMES | ||
crypto | ||
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} ${OPENSSL_CRYPTO_LIBRARY}) | ||
|
||
ENDIF(WIN32 AND NOT CYGWIN) | ||
|
||
function(from_hex HEX DEC) | ||
string(TOUPPER "${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) | ||
|
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MARK_AS_ADVANCED(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES) |
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