Commit 01ea3577 authored by Daniel Stenberg's avatar Daniel Stenberg
Browse files

When ares is enabled, we now check for the ares_cancel function to verify 

that we use a library that is recent enough to build with the latest libcurl.
parent ad9e83a9

configure.ac

+22 −0
Original line number Diff line number Diff line
@@ -1268,6 +1268,28 @@ AC_HELP_STRING([--disable-ares],[Disable ares for name lookups]), 
         CPPFLAGS="$CPPFLAGS -I$enableval/include"

         LDFLAGS="$LDFLAGS -L$enableval/lib"

       fi



       dnl verify that a sufficient c-ares is here

       AC_MSG_CHECKING([that c-ares is good and recent enough])

       AC_LINK_IFELSE( [

#include <ares.h>

/* provide a set of dummy functions in case c-ares was built with debug */

void curl_dofree() { }

void curl_sclose() { }

void curl_domalloc() { }



int main(void)

{

  ares_channel channel;

  ares_cancel(channel);

  return 0;

}

],

        AC_MSG_RESULT(yes),

        AC_MSG_RESULT(no)

        AC_MSG_ERROR([c-ares library defective or too old])

        )



       ;;

  esac ],

       AC_MSG_RESULT(no)