echo "$as_me:$LINENO: result: $ac_cv_type_struct_sockaddr_in6" >&5

echo "${ECHO_T}$ac_cv_type_struct_sockaddr_in6" >&6

if test $ac_cv_type_struct_sockaddr_in6 = yes; then

echo "$as_me:$LINENO: checking for inet_ntop" >&5

echo $ECHO_N "checking for inet_ntop... $ECHO_C" >&6

if test "${ac_cv_func_inet_ntop+set}" = set; then

echo $ECHO_N "(cached) $ECHO_C" >&6

else

cat >conftest.$ac_ext <<_ACEOF

/* confdefs.h. */

_ACEOF

cat confdefs.h >>conftest.$ac_ext

cat >>conftest.$ac_ext <<_ACEOF

/* end confdefs.h. */

/* Define inet_ntop to an innocuous variant, in case <limits.h> declares inet_ntop.

For example, HP-UX 11i <limits.h> declares gettimeofday. */

#define inet_ntop innocuous_inet_ntop

/* System header to define __stub macros and hopefully few prototypes,

which can conflict with char inet_ntop (); below.

Prefer <limits.h> to <assert.h> if __STDC__ is defined, since

<limits.h> exists even on freestanding compilers. */

#ifdef __STDC__

# include <limits.h>

#else

# include <assert.h>

#endif

#undef inet_ntop

/* Override any gcc2 internal prototype to avoid an error. */

#ifdef __cplusplus

extern "C"

{

#endif

/* We use char because int might match the return type of a gcc2

builtin and then its argument prototype would still apply. */

char inet_ntop ();

/* The GNU C library defines this for functions which it implements

to always fail with ENOSYS. Some functions are actually named

something starting with __ and the normal name is an alias. */

#if defined (__stub_inet_ntop) || defined (__stub___inet_ntop)

choke me

#else

char (*f) () = inet_ntop;

#endif

#ifdef __cplusplus

}

#endif

int

main ()

{

return f != inet_ntop;

;

return 0;

}

_ACEOF

rm -f conftest.$ac_objext conftest$ac_exeext

if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5

(eval $ac_link) 2>conftest.er1

ac_status=$?

grep -v '^ *+' conftest.er1 >conftest.err

rm -f conftest.er1

cat conftest.err >&5

echo "$as_me:$LINENO: \$? = $ac_status" >&5

(exit $ac_status); } &&

{ ac_try='test -z "$ac_c_werror_flag"

|| test ! -s conftest.err'

{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5

(eval $ac_try) 2>&5

ac_status=$?

echo "$as_me:$LINENO: \$? = $ac_status" >&5

(exit $ac_status); }; } &&

{ ac_try='test -s conftest$ac_exeext'

{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5

(eval $ac_try) 2>&5

ac_status=$?

echo "$as_me:$LINENO: \$? = $ac_status" >&5

(exit $ac_status); }; }; then

ac_cv_func_inet_ntop=yes

else

echo "$as_me: failed program was:" >&5

sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_func_inet_ntop=no

fi

rm -f conftest.err conftest.$ac_objext \

conftest$ac_exeext conftest.$ac_ext

fi

echo "$as_me:$LINENO: result: $ac_cv_func_inet_ntop" >&5

echo "${ECHO_T}$ac_cv_func_inet_ntop" >&6

if test $ac_cv_func_inet_ntop = yes; then

cat >>confdefs.h <<\_ACEOF

#define HAVE_IPV6 1

_ACEOF

HAVE_IPV6=yes

fi

HAVE_IPV6=yes

fi

dnl Process this file with autoconf to produce a configure script.

dnl $PostgreSQL: pgsql/configure.in,v 1.418 2005/08/02 19:02:30 tgl Exp $

dnl $PostgreSQL: pgsql/configure.in,v 1.419 2005/08/17 20:20:10 tgl Exp $

dnl

dnl Developers, please strive to achieve this order:

dnl

HAVE_IPV6=no

AC_CHECK_TYPE([struct sockaddr_in6],

[AC_CHECK_FUNC(inet_ntop,

[AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])

HAVE_IPV6=yes])],

[],

[AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if you have support for IPv6.])

HAVE_IPV6=yes],

[],

[$ac_includes_default

#include <netinet/in.h>])

AC_SUBST(HAVE_IPV6)