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cmake: windows: update FindOpenSSLbins.cmake

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Michael Johanssen 2020-11-15 19:40:58 +00:00 • committed by Andy Green
parent 544b668605
commit bd45526af3
1 changed files with 102 additions and 42 deletions
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144
cmake/FindOpenSSLbins.cmake
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@ -1,42 +1,102 @@
if(OPENSSL_FOUND)
find_program(OPENSSL_EXECUTABLE openssl openssl.exe bin/openssl.exe
HINTS ${_OPENSSL_ROOT_HINTS}
PATH
/usr/bin/
bin/
DOC "Openssl executable")
mark_as_advanced(OPENSSL_EXECUTABLE)
# On Windows, we need to copy the OpenSSL dlls
# to the output directory.
if(WIN32)
set(OPENSSL_BIN_FOUND 0)
find_file(LIBEAY_BIN
NAMES
libeay32.dll
HINTS
${_OPENSSL_ROOT_HINTS}
PATH_SUFFIXES
bin)
find_file(SSLEAY_BIN
NAMES
ssleay32.dll
HINTS
${_OPENSSL_ROOT_HINTS}
PATH_SUFFIXES
bin)
if(LIBEAY_BIN)
if(SSLEAY_BIN)
set(OPENSSL_BIN_FOUND 1)
endif(SSLEAY_BIN)
endif(LIBEAY_BIN)
endif(WIN32)
endif(OPENSSL_FOUND)
if(OPENSSL_FOUND)
find_program(OPENSSL_EXECUTABLE openssl openssl.exe bin/openssl.exe
HINTS ${_OPENSSL_ROOT_HINTS}
PATH
/usr/bin/
bin/
DOC "Openssl executable")
mark_as_advanced(OPENSSL_EXECUTABLE)
# On Windows, we need to copy the OpenSSL dlls
# to the output directory.
# BUT only if non-static libs (referencing dlls) are used
# In this case
# ** we only want to find dlls that are compatible with the libs
# the assumption is that these are part of the same OpenSSL package
# and typically reside in the same or in a close by directory as the executable
# ** we do NOT want to find dlls in general dll directories such as C:\Windows\systemXX
# because these IN GENERAL are not compatible with the libs
if (WIN32 AND OPENSSL_VERSION)
set(OPENSSL_BIN_FOUND 0)
# we check for OpenSSL versioning, as described in https://wiki.openssl.org/index.php/Versioning
string(REGEX MATCH "^([0-9]+)\\.([0-9]+)\\.(.*)$" REGEX_MATCH ${OPENSSL_VERSION})
if (NOT ${REGEX_MATCH} EQUAL "")
message(DEBUG "Assuming OpenSSL release ${OPENSSL_VERSION} >= 1.1.0 for dll discovery")
# the regex matched - so we assume OpenSSL release >= 1.1
set(OVNR "${CMAKE_MATCH_1}") # OpenSSL version number
set(ORNR "${CMAKE_MATCH_2}") # OpenSSL release number
set(CRYPTO32_NAME "libcrypto-${OVNR}_${ORNR}.dll")
set(CRYPTO64_NAME "libcrypto-${OVNR}_${ORNR}-x64.dll")
message(VERBOSE "CRYPTO32_NAME=${CRYPTO32_NAME}")
message(VERBOSE "CRYPTO64_NAME=${CRYPTO64_NAME}")
set(SSL32_NAME "libssl-${OVNR}_${ORNR}.dll")
set(SSL64_NAME "libssl-${OVNR}_${ORNR}-x64.dll")
message(VERBOSE "SSL32_NAME=${SSL32_NAME}")
message(VERBOSE "SSL64_NAME=${SSL64_NAME}")
get_filename_component(OPENSSL_EXECUTABLE_PATH ${OPENSSL_EXECUTABLE} DIRECTORY)
message(VERBOSE "OPENSSL_EXECUTABLE_PATH=${OPENSSL_EXECUTABLE_PATH}")
set(OPENSSL_EXECUTABLE_BIN_PATH "")
string(REGEX MATCH "^(.*)/tools/openssl$" REGEX_MATCH ${OPENSSL_EXECUTABLE_PATH})
message(DEBUG "REGEX_MATCH=\"${REGEX_MATCH}\"")
message(DEBUG "CMAKE_MATCH_1=\"${CMAKE_MATCH_1}\"")
if (NOT ${REGEX_MATCH} EQUAL "")
set(OPENSSL_EXECUTABLE_BIN_PATH "${CMAKE_MATCH_1}/bin") # bin path of this openssl variant
endif()
message(VERBOSE "OPENSSL_EXECUTABLE_BIN_PATH=${OPENSSL_EXECUTABLE_BIN_PATH}")
unset(LIBCRYPTO_BIN) # clear
unset(LIBCRYPTO_BIN CACHE) # clear as well, because otherwise find_file might use it
find_file(LIBCRYPTO_BIN
NO_DEFAULT_PATH
NAMES ${CRYPTO32_NAME} ${CRYPTO64_NAME}
PATHS ${OPENSSL_EXECUTABLE_PATH} ${OPENSSL_EXECUTABLE_BIN_PATH}
)
message(VERBOSE "LIBCRYPTO_BIN=${LIBCRYPTO_BIN}")
unset(LIBSSL_BIN) # clear
unset(LIBSSL_BIN CACHE) # clear as well, because otherwise find_file might use it
find_file(LIBSSL_BIN
NO_DEFAULT_PATH
NAMES ${SSL32_NAME} ${SSL64_NAME}
PATHS ${OPENSSL_EXECUTABLE_PATH} ${OPENSSL_EXECUTABLE_BIN_PATH}
)
message(VERBOSE "LIBSSL_BIN=${LIBSSL_BIN}")
else() # the version regex did not match
# as a fallback, we check for "old" OpenSSL library (used before OpenSSL 1.1.0)
find_file(LIBCRYPTO_BIN
NAMES
libeay32.dll
HINTS
${_OPENSSL_ROOT_HINTS}
PATH_SUFFIXES
bin)
find_file(LIBSSL_BIN
NAMES
ssleay32.dll
HINTS
${_OPENSSL_ROOT_HINTS}
PATH_SUFFIXES
bin)
endif()
if(LIBCRYPTO_BIN AND LIBSSL_BIN)
set(OPENSSL_BIN_FOUND 1)
endif()
endif(WIN32 AND OPENSSL_VERSION)
endif(OPENSSL_FOUND)