cmake/cryptopp.cmake

   1 add_library (CRYPTOPP::CRYPTOPP
   2         UNKNOWN
   3         IMPORTED
   4 )
   5
   6 set (CRYPTOPP_SEARCH_PREFIXES "cryptopp" "crypto++")
   7
   8 if (NOT CRYPTOPP_INCLUDE_PREFIX)
   9         unset (CRYPT_SEARCH CACHE)
  10         check_include_file_cxx (cryptlib.h CRYPT_SEARCH)
  11
  12         if (CRYPT_SEARCH)
  13                 set (CRYPTOPP_INCLUDE_PREFIX "" CACHE STRING "cryptopp include prefix" FORCE)
  14         else()
  15                 foreach (PREFIX ${CRYPTOPP_SEARCH_PREFIXES})
  16                         unset (CRYPT_SEARCH CACHE)
  17                         check_include_file_cxx (${PREFIX}/cryptlib.h CRYPT_SEARCH)
  18
  19                         if (CRYPT_SEARCH)
  20                                 message (STATUS "cryptopp prefix found: ${PREFIX}")
  21                                 set (CRYPTOPP_INCLUDE_PREFIX ${PREFIX} CACHE STRING "cryptopp include prefix" FORCE)
  22                                 break()
  23                         endif()
  24                 endforeach()
  25         endif()
  26 endif()
  27
  28 if (NOT CRYPTOPP_INCLUDE_PREFIX)
  29         MESSAGE (FATAL_ERROR "cryptlib.h not found")
  30 endif()
  31
  32 if (WIN32)
  33         if (NOT CRYPTOPP_LIBRARY_DEBUG)
  34                 unset (CRYPTOPP_LIBRARY_DEBUG CACHE)
  35
  36                 find_library (CRYPTOPP_LIBRARY_DEBUG
  37                         NAMES crypto++d cryptlibd cryptoppd
  38                         PATHS ${CRYPTOPP_LIB_SEARCH_PATH}
  39                 )
  40
  41                 if (CRYPTOPP_LIBRARY_DEBUG)
  42                         message (STATUS "Found debug-libcrypto++ in ${CRYPTOPP_LIBRARY_DEBUG}")
  43                 endif()
  44         endif()
  45
  46         if (CRYPTOPP_LIBRARY_DEBUG)
  47                 set_property (TARGET CRYPTOPP::CRYPTOPP
  48                         PROPERTY IMPORTED_LOCATION_DEBUG ${CRYPTOPP_LIBRARY_DEBUG}
  49                 )
  50         else()
  51                 set (CRYPTO_COMPLETE FALSE)
  52         endif()
  53
  54         if (NOT CRYPTOPP_LIBRARY_RELEASE)
  55                 unset (CRYPTOPP_LIBRARY_RELEASE CACHE)
  56
  57                 find_library (CRYPTOPP_LIBRARY_RELEASE
  58                         NAMES crypto++ cryptlib cryptopp
  59                         PATHS ${CRYPTOPP_LIB_SEARCH_PATH}
  60                 )
  61
  62                 if (CRYPTOPP_LIBRARY_RELEASE)
  63                         message (STATUS "Found release-libcrypto++ in ${CRYPTOPP_LIBRARY_RELEASE}")
  64                 endif()
  65         endif (NOT CRYPTOPP_LIBRARY_RELEASE)
  66
  67         if (CRYPTOPP_LIBRARY_RELEASE)
  68                 set_property (TARGET CRYPTOPP::CRYPTOPP
  69                         PROPERTY IMPORTED_LOCATION_RELEASE ${CRYPTOPP_LIBRARY_RELEASE}
  70                 )
  71         else()
  72                 set (CRYPTO_COMPLETE FALSE)
  73         endif()
  74 else()
  75         if (NOT CRYPTOPP_LIBRARY)
  76                 unset (CRYPTOPP_LIBRARY CACHE)
  77
  78                 find_library (CRYPTOPP_LIBRARY
  79                         NAMES crypto++ cryptlib cryptopp
  80                         PATHS ${CRYPTOPP_LIB_SEARCH_PATH}
  81                 )
  82
  83                 if (CRYPTOPP_LIBRARY)
  84                         message (STATUS "Found libcrypto++ in ${CRYPTOPP_LIBRARY}")
  85                 endif()
  86         endif()
  87
  88         if (CRYPTOPP_LIBRARY)
  89                 set_property (TARGET CRYPTOPP::CRYPTOPP
  90                         PROPERTY IMPORTED_LOCATION ${CRYPTOPP_LIBRARY}
  91                 )
  92         else()
  93                 set (CRYPTO_COMPLETE FALSE)
  94         endif()
  95 endif()
  96
  97 if (NOT CRYPTOPP_CONFIG_SEARCH)
  98         unset (CRYPTOPP_CONFIG_SEARCH CACHE)
  99
 100         check_include_file_cxx (${CRYPTOPP_INCLUDE_PREFIX}/config.h
 101                 CRYPTOPP_CONFIG_SEARCH
 102         )
 103 endif()
 104
 105 if (NOT CRYPTOPP_CONFIG_FILE)
 106         if (CRYPTOPP_CONFIG_SEARCH)
 107                 if (CRYPTOPP_INCLUDE_DIR)
 108                         set (CRYPTOPP_CONFIG_FILE ${CRYPTOPP_INCLUDE_DIR}/${CRYPTOPP_INCLUDE_PREFIX}/config.h
 109                                 CACHE FILEPATH "cryptopp config.h" FORCE
 110                         )
 111
 112                         set_target_properties (CRYPTOPP::CRYPTOPP PROPERTIES
 113                                 INTERFACE_INCLUDE_DIRECTORIES "${CRYPTOPP_INCLUDE_DIR}"
 114                         )
 115                 else()
 116                         set (CRYPTOPP_CONFIG_FILE ${CRYPTOPP_INCLUDE_PREFIX}/config.h
 117                                 CACHE FILEPATH "cryptopp config.h" FORCE
 118                         )
 119                 endif()
 120         else()
 121                 unset(CRYPTOPP_CONFIG_SEARCH)
 122         endif()
 123
 124         unset (CMAKE_REQUIRED_INCLUDES)
 125 endif()
 126
 127 if (NOT CRYPTOPP_CONFIG_FILE)
 128                 MESSAGE (FATAL_ERROR "crypto++ config.h not found")
 129 endif()
 130
 131 if (NOT CRYPTOPP_VERSION)# AND CRYPTO_COMPLETE)
 132         set (CMAKE_CONFIGURABLE_FILE_CONTENT
 133                 "#include <${CRYPTOPP_CONFIG_FILE}>\n
 134                 #include <stdio.h>\n
 135                 int main(){\n
 136                         printf (\"%d\", CRYPTOPP_VERSION);\n
 137                 }\n"
 138         )
 139
 140         configure_file ("${CMAKE_ROOT}/Modules/CMakeConfigurableFile.in"
 141                 "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckCryptoppVersion.cxx" @ONLY IMMEDIATE
 142         )
 143
 144         try_run (RUNRESULT
 145                 COMPILERESULT
 146                 ${CMAKE_BINARY_DIR}
 147                 ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckCryptoppVersion.cxx
 148                 RUN_OUTPUT_VARIABLE CRYPTOPP_VERSION
 149         )
 150
 151         string (REGEX REPLACE "([0-9])([0-9])([0-9])" "\\1.\\2.\\3" CRYPTOPP_VERSION "${CRYPTOPP_VERSION}")
 152
 153         if (${CRYPTOPP_VERSION} VERSION_LESS ${MIN_CRYPTOPP_VERSION})
 154                 message (FATAL_ERROR "crypto++ version ${CRYPTOPP_VERSION} is too old")
 155         else()
 156                 MESSAGE (STATUS "crypto++ version ${CRYPTOPP_VERSION} -- OK")
 157                 set (CRYPTOPP_CONFIG_FILE ${CRYPTOPP_CONFIG_FILE} CACHE STRING "Path to config.h of crypto-lib" FORCE)
 158                 set (CRYPTOPP_VERSION ${CRYPTOPP_VERSION} CACHE STRING "Version of cryptopp" FORCE)
 159         endif()
 160 endif()