cmake/Modules/SelectTLSBackend.cmake

   1 function(SelectTLSBackend SSL)
   2   if("${SSL}" STREQUAL "")
   3     set(SSL "polarssl")
   4   endif()
   5
   6   set(LIBRARIES "")
   7   set(INCLUDE_DIR "")
   8   set(LIBRARY_DIR "")
   9
  10   if("${SSL}" STREQUAL "openssl")
  11     find_package(OpenSSL REQUIRED)
  12
  13     if(OPENSSL_FOUND)
  14       set(LIBRARIES ${OPENSSL_LIBRARIES})
  15       set(INCLUDE_DIR ${OPENSSL_INCLUDE_DIR})
  16       set(LIBRARY_DIR ${OPENSSL_LIB_DIR})
  17
  18       if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
  19         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations" PARENT_SCOPE)
  20       endif()
  21
  22     endif()
  23   elseif("${SSL}" STREQUAL "polarssl")
  24     find_package(PolarSSL REQUIRED)
  25
  26     if(POLARSSL_FOUND)
  27       set(USE_POLARSSL ON PARENT_SCOPE)
  28
  29       set(LIBRARIES ${POLARSSL_LIBRARIES})
  30       set(INCLUDE_DIR ${POLARSSL_INCLUDE_DIR})
  31       set(LIBRARY_DIR ${POLARSSL_LIB_DIR})
  32     endif()
  33   elseif("${SSL}" STREQUAL "mbedtls")
  34     find_package(mbedTLS REQUIRED)
  35
  36     if(MBEDTLS_FOUND)
  37       set(USE_MBEDTLS ON PARENT_SCOPE)
  38
  39       set(LIBRARIES ${MBEDTLS_LIBRARIES})
  40       set(INCLUDE_DIR ${MBEDTLS_INCLUDE_DIR})
  41       set(LIBRARY_DIR ${MBEDTLS_LIB_DIR})
  42     endif()
  43   elseif("${SSL}" STREQUAL "gnutls")
  44     find_package(GnuTLS 3 REQUIRED)
  45
  46     if(GNUTLS_FOUND)
  47       set(USE_GNUTLS ON PARENT_SCOPE)
  48
  49       set(LIBRARIES ${GNUTLS_LIBRARIES})
  50       set(INCLUDE_DIR ${GNUTLS_INCLUDE_DIR})
  51       set(LIBRARY_DIR ${GNUTLS_LIB_DIR})
  52     endif()
  53
  54     find_package(Nettle REQUIRED)
  55
  56     if(NETTLE_FOUND)
  57       list(APPEND LIBRARIES ${NETTLE_LIBRARIES})
  58     endif()
  59   endif()
  60
  61   set(SSLIMP_LIBRARIES ${LIBRARIES} PARENT_SCOPE)
  62   set(SSLIMP_LIBRARY_DIR ${LIBRARY_DIR} PARENT_SCOPE)
  63   set(SSLIMP_INCLUDE_DIR ${INCLUDE_DIR} PARENT_SCOPE)
  64 endfunction()