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CMake/Modules/FindOpenSSL.cmake
luzpaz 777e87ae00 Fix trivial typos in text 
Some are user facing.

Found using

    codespell -q 3 --skip="./Utilities" -I .cmake-whitelist.txt`

whereby the whitelist contained:

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    dum
    helpfull
    emmited
    emmitted
    buil
    iff
    isnt
    nto
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    pathes
    substract
    te
    todays
    upto
    whitespaces
2017-11-03 10:25:05 -04:00

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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# FindOpenSSL
# -----------
#
# Find the OpenSSL encryption library.
#
# Imported Targets
# ^^^^^^^^^^^^^^^^
#
# This module defines the following :prop_tgt:`IMPORTED` targets:
#
# ``OpenSSL::SSL``
# The OpenSSL ``ssl`` library, if found.
# ``OpenSSL::Crypto``
# The OpenSSL ``crypto`` library, if found.
#
# Result Variables
# ^^^^^^^^^^^^^^^^
#
# This module will set the following variables in your project:
#
# ``OPENSSL_FOUND``
# System has the OpenSSL library.
# ``OPENSSL_INCLUDE_DIR``
# The OpenSSL include directory.
# ``OPENSSL_CRYPTO_LIBRARY``
# The OpenSSL crypto library.
# ``OPENSSL_SSL_LIBRARY``
# The OpenSSL SSL library.
# ``OPENSSL_LIBRARIES``
# All OpenSSL libraries.
# ``OPENSSL_VERSION``
# This is set to ``$major.$minor.$revision$patch`` (e.g. ``0.9.8s``).
#
# Hints
# ^^^^^
#
# Set ``OPENSSL_ROOT_DIR`` to the root directory of an OpenSSL installation.
# Set ``OPENSSL_USE_STATIC_LIBS`` to ``TRUE`` to look for static libraries.
# Set ``OPENSSL_MSVC_STATIC_RT`` set ``TRUE`` to choose the MT version of the lib.
if (UNIX)
find_package(PkgConfig QUIET)
pkg_check_modules(_OPENSSL QUIET openssl)
endif ()
# Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES
if(OPENSSL_USE_STATIC_LIBS)
set(_openssl_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
if(WIN32)
set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a )
endif()
endif()
if (WIN32)
# http://www.slproweb.com/products/Win32OpenSSL.html
set(_OPENSSL_ROOT_HINTS
${OPENSSL_ROOT_DIR}
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;Inno Setup: App Path]"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (64-bit)_is1;Inno Setup: App Path]"
ENV OPENSSL_ROOT_DIR
)
file(TO_CMAKE_PATH "$ENV{PROGRAMFILES}" _programfiles)
set(_OPENSSL_ROOT_PATHS
"${_programfiles}/OpenSSL"
"${_programfiles}/OpenSSL-Win32"
"${_programfiles}/OpenSSL-Win64"
"C:/OpenSSL/"
"C:/OpenSSL-Win32/"
"C:/OpenSSL-Win64/"
)
unset(_programfiles)
else ()
set(_OPENSSL_ROOT_HINTS
${OPENSSL_ROOT_DIR}
ENV OPENSSL_ROOT_DIR
)
endif ()
set(_OPENSSL_ROOT_HINTS_AND_PATHS
HINTS ${_OPENSSL_ROOT_HINTS}
PATHS ${_OPENSSL_ROOT_PATHS}
)
find_path(OPENSSL_INCLUDE_DIR
NAMES
openssl/ssl.h
${_OPENSSL_ROOT_HINTS_AND_PATHS}
HINTS
${_OPENSSL_INCLUDEDIR}
PATH_SUFFIXES
include
)
if(WIN32 AND NOT CYGWIN)
if(MSVC)
# /MD and /MDd are the standard values - if someone wants to use
# others, the libnames have to change here too
# use also ssl and ssleay32 in debug as fallback for openssl < 0.9.8b
# enable OPENSSL_MSVC_STATIC_RT to get the libs build /MT (Multithreaded no-DLL)
# In Visual C++ naming convention each of these four kinds of Windows libraries has it's standard suffix:
# * MD for dynamic-release
# * MDd for dynamic-debug
# * MT for static-release
# * MTd for static-debug
# Implementation details:
# We are using the libraries located in the VC subdir instead of the parent directory even though :
# libeay32MD.lib is identical to ../libeay32.lib, and
# ssleay32MD.lib is identical to ../ssleay32.lib
# enable OPENSSL_USE_STATIC_LIBS to use the static libs located in lib/VC/static
if (OPENSSL_MSVC_STATIC_RT)
set(_OPENSSL_MSVC_RT_MODE "MT")
else ()
set(_OPENSSL_MSVC_RT_MODE "MD")
endif ()
# Since OpenSSL 1.1, lib names are like libcrypto32MTd.lib and libssl32MTd.lib
if( "${CMAKE_SIZEOF_VOID_P}" STREQUAL "8" )
set(_OPENSSL_MSVC_ARCH_SUFFIX "64")
else()
set(_OPENSSL_MSVC_ARCH_SUFFIX "32")
endif()
if(OPENSSL_USE_STATIC_LIBS)
set(_OPENSSL_PATH_SUFFIXES
"lib/VC/static"
"VC/static"
"lib"
)
else()
set(_OPENSSL_PATH_SUFFIXES
"lib/VC"
"VC"
"lib"
)
endif ()
find_library(LIB_EAY_DEBUG
NAMES
libcrypto${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}d
libcrypto${_OPENSSL_MSVC_RT_MODE}d
libcryptod
libeay32${_OPENSSL_MSVC_RT_MODE}d
libeay32d
cryptod
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
${_OPENSSL_PATH_SUFFIXES}
)
find_library(LIB_EAY_RELEASE
NAMES
libcrypto${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}
libcrypto${_OPENSSL_MSVC_RT_MODE}
libcrypto
libeay32${_OPENSSL_MSVC_RT_MODE}
libeay32
crypto
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
${_OPENSSL_PATH_SUFFIXES}
)
find_library(SSL_EAY_DEBUG
NAMES
libssl${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}d
libssl${_OPENSSL_MSVC_RT_MODE}d
libssld
ssleay32${_OPENSSL_MSVC_RT_MODE}d
ssleay32d
ssld
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
${_OPENSSL_PATH_SUFFIXES}
)
find_library(SSL_EAY_RELEASE
NAMES
libssl${_OPENSSL_MSVC_ARCH_SUFFIX}${_OPENSSL_MSVC_RT_MODE}
libssl${_OPENSSL_MSVC_RT_MODE}
libssl
ssleay32${_OPENSSL_MSVC_RT_MODE}
ssleay32
ssl
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
${_OPENSSL_PATH_SUFFIXES}
)
set(LIB_EAY_LIBRARY_DEBUG "${LIB_EAY_DEBUG}")
set(LIB_EAY_LIBRARY_RELEASE "${LIB_EAY_RELEASE}")
set(SSL_EAY_LIBRARY_DEBUG "${SSL_EAY_DEBUG}")
set(SSL_EAY_LIBRARY_RELEASE "${SSL_EAY_RELEASE}")
include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
select_library_configurations(LIB_EAY)
select_library_configurations(SSL_EAY)
mark_as_advanced(LIB_EAY_LIBRARY_DEBUG LIB_EAY_LIBRARY_RELEASE
SSL_EAY_LIBRARY_DEBUG SSL_EAY_LIBRARY_RELEASE)
set(OPENSSL_SSL_LIBRARY ${SSL_EAY_LIBRARY} )
set(OPENSSL_CRYPTO_LIBRARY ${LIB_EAY_LIBRARY} )
elseif(MINGW)
# same player, for MinGW
set(LIB_EAY_NAMES crypto libeay32)
set(SSL_EAY_NAMES ssl ssleay32)
find_library(LIB_EAY
NAMES
${LIB_EAY_NAMES}
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
"lib/MinGW"
"lib"
)
find_library(SSL_EAY
NAMES
${SSL_EAY_NAMES}
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES
"lib/MinGW"
"lib"
)
mark_as_advanced(SSL_EAY LIB_EAY)
set(OPENSSL_SSL_LIBRARY ${SSL_EAY} )
set(OPENSSL_CRYPTO_LIBRARY ${LIB_EAY} )
unset(LIB_EAY_NAMES)
unset(SSL_EAY_NAMES)
else()
# Not sure what to pick for -say- intel, let's use the toplevel ones and hope someone report issues:
find_library(LIB_EAY
NAMES
libcrypto
libeay32
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
HINTS
${_OPENSSL_LIBDIR}
PATH_SUFFIXES
lib
)
find_library(SSL_EAY
NAMES
libssl
ssleay32
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
HINTS
${_OPENSSL_LIBDIR}
PATH_SUFFIXES
lib
)
mark_as_advanced(SSL_EAY LIB_EAY)
set(OPENSSL_SSL_LIBRARY ${SSL_EAY} )
set(OPENSSL_CRYPTO_LIBRARY ${LIB_EAY} )
endif()
else()
find_library(OPENSSL_SSL_LIBRARY
NAMES
ssl
ssleay32
ssleay32MD
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
HINTS
${_OPENSSL_LIBDIR}
PATH_SUFFIXES
lib
)
find_library(OPENSSL_CRYPTO_LIBRARY
NAMES
crypto
NAMES_PER_DIR
${_OPENSSL_ROOT_HINTS_AND_PATHS}
HINTS
${_OPENSSL_LIBDIR}
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 ${OPENSSL_CRYPTO_LIBRARY})
endif()
function(from_hex HEX DEC)
string(TOUPPER "${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} ${_res} PARENT_SCOPE)
endfunction()
if(OPENSSL_INCLUDE_DIR AND EXISTS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h")
file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" openssl_version_str
REGEX "^#[\t ]*define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-fA-F])+.*")
if(openssl_version_str)
# The version number is encoded as 0xMNNFFPPS: major minor fix patch status
# The status gives if this is a developer or prerelease and is ignored here.
# Major, minor, and fix directly translate into the version numbers shown in
# the string. The patch field translates to the single character suffix that
# indicates the bug fix state, which 00 -> nothing, 01 -> a, 02 -> b and so
# on.
string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F][0-9a-fA-F])([0-9a-fA-F]).*$"
"\\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 ()
set(OPENSSL_VERSION "${OPENSSL_VERSION_MAJOR}.${OPENSSL_VERSION_MINOR}.${OPENSSL_VERSION_FIX}${OPENSSL_VERSION_PATCH_STRING}")
endif ()
endif ()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
set(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY} )
if (OPENSSL_VERSION)
find_package_handle_standard_args(OpenSSL
REQUIRED_VARS
#OPENSSL_SSL_LIBRARY # FIXME: require based on a component request?
OPENSSL_CRYPTO_LIBRARY
OPENSSL_INCLUDE_DIR
VERSION_VAR
OPENSSL_VERSION
FAIL_MESSAGE
"Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR"
)
else ()
find_package_handle_standard_args(OpenSSL "Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR"
#OPENSSL_SSL_LIBRARY # FIXME: require based on a component request?
OPENSSL_CRYPTO_LIBRARY
OPENSSL_INCLUDE_DIR
)
endif ()
mark_as_advanced(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES)
if(OPENSSL_FOUND)
if(NOT TARGET OpenSSL::Crypto AND
(EXISTS "${OPENSSL_CRYPTO_LIBRARY}" OR
EXISTS "${LIB_EAY_LIBRARY_DEBUG}" OR
EXISTS "${LIB_EAY_LIBRARY_RELEASE}")
)
add_library(OpenSSL::Crypto UNKNOWN IMPORTED)
set_target_properties(OpenSSL::Crypto PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OPENSSL_INCLUDE_DIR}")
if(EXISTS "${OPENSSL_CRYPTO_LIBRARY}")
set_target_properties(OpenSSL::Crypto PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${OPENSSL_CRYPTO_LIBRARY}")
endif()
if(EXISTS "${LIB_EAY_LIBRARY_RELEASE}")
set_property(TARGET OpenSSL::Crypto APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(OpenSSL::Crypto PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
IMPORTED_LOCATION_RELEASE "${LIB_EAY_LIBRARY_RELEASE}")
endif()
if(EXISTS "${LIB_EAY_LIBRARY_DEBUG}")
set_property(TARGET OpenSSL::Crypto APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(OpenSSL::Crypto PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C"
IMPORTED_LOCATION_DEBUG "${LIB_EAY_LIBRARY_DEBUG}")
endif()
endif()
if(NOT TARGET OpenSSL::SSL AND
(EXISTS "${OPENSSL_SSL_LIBRARY}" OR
EXISTS "${SSL_EAY_LIBRARY_DEBUG}" OR
EXISTS "${SSL_EAY_LIBRARY_RELEASE}")
)
add_library(OpenSSL::SSL UNKNOWN IMPORTED)
set_target_properties(OpenSSL::SSL PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OPENSSL_INCLUDE_DIR}")
if(EXISTS "${OPENSSL_SSL_LIBRARY}")
set_target_properties(OpenSSL::SSL PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${OPENSSL_SSL_LIBRARY}")
endif()
if(EXISTS "${SSL_EAY_LIBRARY_RELEASE}")
set_property(TARGET OpenSSL::SSL APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(OpenSSL::SSL PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
IMPORTED_LOCATION_RELEASE "${SSL_EAY_LIBRARY_RELEASE}")
endif()
if(EXISTS "${SSL_EAY_LIBRARY_DEBUG}")
set_property(TARGET OpenSSL::SSL APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(OpenSSL::SSL PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C"
IMPORTED_LOCATION_DEBUG "${SSL_EAY_LIBRARY_DEBUG}")
endif()
if(TARGET OpenSSL::Crypto)
set_target_properties(OpenSSL::SSL PROPERTIES
INTERFACE_LINK_LIBRARIES OpenSSL::Crypto)
endif()
endif()
endif()
# Restore the original find library ordering
if(OPENSSL_USE_STATIC_LIBS)
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_openssl_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
endif()
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