Removed definition of CURL_CHECK_WORKING_RESOLVER from acinclude.m4 it has

  of making adjustments necessary to ensure that it is defined equally for the

  configure process tests and generated config file.

- Removed definition of CURL_CHECK_WORKING_RESOLVER from acinclude.m4 it has

  not been in use since revision 1.81 of configure.in 6 years, 9 months ago.

Daniel Fandrich (31 Jul 2008)

- Fixed parsing of an IPv6 proxy address to support a scope identifier,

  as well as IPv4 addresses in IPv6 format. Also, better handle the case

]) # AC_DEFUN

dnl ************************************************************

dnl check for "localhost", if it doesn't exist, we can't do the

dnl gethostbyname_r tests!

dnl 

AC_DEFUN([CURL_CHECK_WORKING_RESOLVER],[

AC_MSG_CHECKING([if "localhost" resolves])

AC_TRY_RUN([

#include <string.h>

#include <sys/types.h>

#include <netdb.h>

#ifndef NULL

#define NULL (void *)0

#endif

int

main () {

struct hostent *h;

h = gethostbyname("localhost");

exit (h == NULL ? 1 : 0); }],[

      AC_MSG_RESULT(yes)],[

      AC_MSG_RESULT(no)

      AC_MSG_ERROR([can't figure out gethostbyname_r() since localhost doesn't resolve])

      ]

)

])

dnl ************************************************************

dnl check for working getaddrinfo() that works with AI_NUMERICHOST

dnl