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https://libwebsockets.org/repo/libwebsockets
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908501afdf
This fixes CMake error "mode MATCH needs at least 5 arguments total to command" while configuring when no OpenSSL executable was found. Tested under Windows using VS2019.
103 lines
3.7 KiB
CMake
103 lines
3.7 KiB
CMake
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if(OPENSSL_FOUND)
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find_program(OPENSSL_EXECUTABLE openssl openssl.exe bin/openssl.exe
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HINTS ${_OPENSSL_ROOT_HINTS}
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PATH
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/usr/bin/
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bin/
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DOC "Openssl executable")
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mark_as_advanced(OPENSSL_EXECUTABLE)
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# On Windows, we need to copy the OpenSSL dlls
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# to the output directory.
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# BUT only if non-static libs (referencing dlls) are used
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# In this case
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# ** we only want to find dlls that are compatible with the libs
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# the assumption is that these are part of the same OpenSSL package
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# and typically reside in the same or in a close by directory as the executable
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# ** we do NOT want to find dlls in general dll directories such as C:\Windows\systemXX
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# because these IN GENERAL are not compatible with the libs
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if (WIN32 AND OPENSSL_VERSION)
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set(OPENSSL_BIN_FOUND 0)
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# we check for OpenSSL versioning, as described in https://wiki.openssl.org/index.php/Versioning
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string(REGEX MATCH "^([0-9]+)\\.([0-9]+)\\.(.*)$" REGEX_MATCH ${OPENSSL_VERSION})
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if (NOT ${REGEX_MATCH} EQUAL "")
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message(DEBUG "Assuming OpenSSL release ${OPENSSL_VERSION} >= 1.1.0 for dll discovery")
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# the regex matched - so we assume OpenSSL release >= 1.1
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set(OVNR "${CMAKE_MATCH_1}") # OpenSSL version number
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set(ORNR "${CMAKE_MATCH_2}") # OpenSSL release number
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set(CRYPTO32_NAME "libcrypto-${OVNR}_${ORNR}.dll")
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set(CRYPTO64_NAME "libcrypto-${OVNR}_${ORNR}-x64.dll")
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message(VERBOSE "CRYPTO32_NAME=${CRYPTO32_NAME}")
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message(VERBOSE "CRYPTO64_NAME=${CRYPTO64_NAME}")
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set(SSL32_NAME "libssl-${OVNR}_${ORNR}.dll")
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set(SSL64_NAME "libssl-${OVNR}_${ORNR}-x64.dll")
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message(VERBOSE "SSL32_NAME=${SSL32_NAME}")
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message(VERBOSE "SSL64_NAME=${SSL64_NAME}")
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get_filename_component(OPENSSL_EXECUTABLE_PATH ${OPENSSL_EXECUTABLE} DIRECTORY)
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message(VERBOSE "OPENSSL_EXECUTABLE_PATH=${OPENSSL_EXECUTABLE_PATH}")
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set(OPENSSL_EXECUTABLE_BIN_PATH "")
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string(REGEX MATCH "^(.*)/tools/openssl$" REGEX_MATCH "${OPENSSL_EXECUTABLE_PATH}")
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message(DEBUG "REGEX_MATCH=\"${REGEX_MATCH}\"")
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message(DEBUG "CMAKE_MATCH_1=\"${CMAKE_MATCH_1}\"")
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if (NOT ${REGEX_MATCH} EQUAL "")
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set(OPENSSL_EXECUTABLE_BIN_PATH "${CMAKE_MATCH_1}/bin") # bin path of this openssl variant
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endif()
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message(VERBOSE "OPENSSL_EXECUTABLE_BIN_PATH=${OPENSSL_EXECUTABLE_BIN_PATH}")
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unset(LIBCRYPTO_BIN) # clear
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unset(LIBCRYPTO_BIN CACHE) # clear as well, because otherwise find_file might use it
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find_file(LIBCRYPTO_BIN
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NO_DEFAULT_PATH
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NAMES ${CRYPTO32_NAME} ${CRYPTO64_NAME}
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PATHS ${OPENSSL_EXECUTABLE_PATH} ${OPENSSL_EXECUTABLE_BIN_PATH}
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)
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message(VERBOSE "LIBCRYPTO_BIN=${LIBCRYPTO_BIN}")
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unset(LIBSSL_BIN) # clear
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unset(LIBSSL_BIN CACHE) # clear as well, because otherwise find_file might use it
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find_file(LIBSSL_BIN
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NO_DEFAULT_PATH
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NAMES ${SSL32_NAME} ${SSL64_NAME}
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PATHS ${OPENSSL_EXECUTABLE_PATH} ${OPENSSL_EXECUTABLE_BIN_PATH}
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)
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message(VERBOSE "LIBSSL_BIN=${LIBSSL_BIN}")
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else() # the version regex did not match
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# as a fallback, we check for "old" OpenSSL library (used before OpenSSL 1.1.0)
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find_file(LIBCRYPTO_BIN
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NAMES
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libeay32.dll
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HINTS
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${_OPENSSL_ROOT_HINTS}
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PATH_SUFFIXES
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bin)
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find_file(LIBSSL_BIN
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NAMES
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ssleay32.dll
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HINTS
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${_OPENSSL_ROOT_HINTS}
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PATH_SUFFIXES
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bin)
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endif()
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if(LIBCRYPTO_BIN AND LIBSSL_BIN)
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set(OPENSSL_BIN_FOUND 1)
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endif()
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endif(WIN32 AND OPENSSL_VERSION)
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endif(OPENSSL_FOUND)
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