Commit a284b0eb authored by Daniel Stenberg's avatar Daniel Stenberg
Browse files

configure: check if OpenSSL linking wants -ldl 

To make it easier to link with static versions of OpenSSL, the configure
script now checks if -ldl is needed for linking.

Help-by: TJ Saunders
parent c5d060ca

configure.ac

+40 −0
Original line number Diff line number Diff line
@@ -1509,6 +1509,46 @@ if test "$curl_ssl_msg" = "$init_ssl_msg" && test X"$OPT_SSL" != Xno; then 
    ])





  if test X"$HAVECRYPTO" = X"yes"; then

     AC_MSG_CHECKING([OpenSSL linking without -ldl])

     saved_libs=$LIBS

     AC_TRY_LINK(

        [

          #include <openssl/evp.h>

        ],

        [

          SSLeay_add_all_algorithms();

        ],

        [

          AC_MSG_RESULT(yes)

          LIBS="$saved_libs"

        ],

        [

          AC_MSG_RESULT(no)

          AC_MSG_CHECKING([OpenSSL linking with -ldl])

          LIBS="-ldl $LIBS"

          AC_TRY_LINK(

          [

            #include <openssl/evp.h>

          ],

          [

            SSLeay_add_all_algorithms();

          ],

          [

            AC_MSG_RESULT(yes)

            LIBS="$saved_libs -ldl"

          ],

          [

            AC_MSG_RESULT(no)

            LIBS="$saved_libs"

          ]

          )



        ]

     )



  fi



  if test X"$HAVECRYPTO" = X"yes"; then

    dnl This is only reasonable to do if crypto actually is there: check for

    dnl SSL libs NOTE: it is important to do this AFTER the crypto lib