The dns/py-ldns stopped building. Recent chenges in the

ports unearthed a serious defevt in the original build
process. This changes patches configure file.

There will be a new release of this port which will contain
a new configure file. Until then this patch is needed.

PR:		182183
Submitted by:	Jaap Akkerhuis <jaap@NLnetLabs.nl> (maintainer)

2 files changed, 1215 insertions, 1 deletions

diff --git a/dns/ldns/Makefile b/dns/ldns/Makefile
index e3a76001da5e..0fb461919f47 100644
--- a/dns/ldns/Makefile
+++ b/dns/ldns/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	ldns
 PORTVERSION=	1.6.16
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	dns
 MASTER_SITES=	http://www.nlnetlabs.nl/downloads/ldns/ \
 		CRITICAL
diff --git a/dns/ldns/files/patch-configure b/dns/ldns/files/patch-configure
new file mode 100644
index 000000000000..48a66ab2f52d
--- /dev/null
+++ b/dns/ldns/files/patch-configure
@@ -0,0 +1,1214 @@
+--- ./configure.orig	2012-11-13 11:12:39.000000000 +0100
++++ ./configure	2013-09-16 23:36:26.006912397 +0200
+@@ -1,13 +1,11 @@
+ #! /bin/sh
+ # Guess values for system-dependent variables and create Makefiles.
+-# Generated by GNU Autoconf 2.68 for ldns 1.6.16.
++# Generated by GNU Autoconf 2.69 for ldns 1.6.16.
+ #
+ # Report bugs to <libdns@nlnetlabs.nl>.
+ #
+ #
+-# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+-# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
+-# Foundation, Inc.
++# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
+ #
+ #
+ # This configure script is free software; the Free Software Foundation
+@@ -136,6 +134,31 @@
+ # CDPATH.
+ (unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+ 
++# Use a proper internal environment variable to ensure we don't fall
++  # into an infinite loop, continuously re-executing ourselves.
++  if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then
++    _as_can_reexec=no; export _as_can_reexec;
++    # We cannot yet assume a decent shell, so we have to provide a
++# neutralization value for shells without unset; and this also
++# works around shells that cannot unset nonexistent variables.
++# Preserve -v and -x to the replacement shell.
++BASH_ENV=/dev/null
++ENV=/dev/null
++(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
++case $- in # ((((
++  *v*x* | *x*v* ) as_opts=-vx ;;
++  *v* ) as_opts=-v ;;
++  *x* ) as_opts=-x ;;
++  * ) as_opts= ;;
++esac
++exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
++# Admittedly, this is quite paranoid, since all the known shells bail
++# out after a failed `exec'.
++$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
++as_fn_exit 255
++  fi
++  # We don't want this to propagate to other subprocesses.
++          { _as_can_reexec=; unset _as_can_reexec;}
+ if test "x$CONFIG_SHELL" = x; then
+   as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+   emulate sh
+@@ -169,7 +192,8 @@
+ else
+   exitcode=1; echo positional parameters were not saved.
+ fi
+-test x\$exitcode = x0 || exit 1"
++test x\$exitcode = x0 || exit 1
++test -x / || exit 1"
+   as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+@@ -222,21 +246,25 @@
+ 
+ 
+       if test "x$CONFIG_SHELL" != x; then :
+-  # We cannot yet assume a decent shell, so we have to provide a
+-	# neutralization value for shells without unset; and this also
+-	# works around shells that cannot unset nonexistent variables.
+-	# Preserve -v and -x to the replacement shell.
+-	BASH_ENV=/dev/null
+-	ENV=/dev/null
+-	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+-	export CONFIG_SHELL
+-	case $- in # ((((
+-	  *v*x* | *x*v* ) as_opts=-vx ;;
+-	  *v* ) as_opts=-v ;;
+-	  *x* ) as_opts=-x ;;
+-	  * ) as_opts= ;;
+-	esac
+-	exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
++  export CONFIG_SHELL
++             # We cannot yet assume a decent shell, so we have to provide a
++# neutralization value for shells without unset; and this also
++# works around shells that cannot unset nonexistent variables.
++# Preserve -v and -x to the replacement shell.
++BASH_ENV=/dev/null
++ENV=/dev/null
++(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
++case $- in # ((((
++  *v*x* | *x*v* ) as_opts=-vx ;;
++  *v* ) as_opts=-v ;;
++  *x* ) as_opts=-x ;;
++  * ) as_opts= ;;
++esac
++exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
++# Admittedly, this is quite paranoid, since all the known shells bail
++# out after a failed `exec'.
++$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2
++exit 255
+ fi
+ 
+     if test x$as_have_required = xno; then :
+@@ -339,6 +367,14 @@
+ 
+ 
+ } # as_fn_mkdir_p
++
++# as_fn_executable_p FILE
++# -----------------------
++# Test if FILE is an executable regular file.
++as_fn_executable_p ()
++{
++  test -f "$1" && test -x "$1"
++} # as_fn_executable_p
+ # as_fn_append VAR VALUE
+ # ----------------------
+ # Append the text in VALUE to the end of the definition contained in VAR. Take
+@@ -460,6 +496,10 @@
+   chmod +x "$as_me.lineno" ||
+     { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+ 
++  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
++  # already done that, so ensure we don't try to do so again and fall
++  # in an infinite loop.  This has already happened in practice.
++  _as_can_reexec=no; export _as_can_reexec
+   # Don't try to exec as it changes $[0], causing all sort of problems
+   # (the dirname of $[0] is not the place where we might find the
+   # original and so on.  Autoconf is especially sensitive to this).
+@@ -494,16 +534,16 @@
+     # ... but there are two gotchas:
+     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+-    # In both cases, we have to default to `cp -p'.
++    # In both cases, we have to default to `cp -pR'.
+     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+-      as_ln_s='cp -p'
++      as_ln_s='cp -pR'
+   elif ln conf$$.file conf$$ 2>/dev/null; then
+     as_ln_s=ln
+   else
+-    as_ln_s='cp -p'
++    as_ln_s='cp -pR'
+   fi
+ else
+-  as_ln_s='cp -p'
++  as_ln_s='cp -pR'
+ fi
+ rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+ rmdir conf$$.dir 2>/dev/null
+@@ -515,28 +555,8 @@
+   as_mkdir_p=false
+ fi
+ 
+-if test -x / >/dev/null 2>&1; then
+-  as_test_x='test -x'
+-else
+-  if ls -dL / >/dev/null 2>&1; then
+-    as_ls_L_option=L
+-  else
+-    as_ls_L_option=
+-  fi
+-  as_test_x='
+-    eval sh -c '\''
+-      if test -d "$1"; then
+-	test -d "$1/.";
+-      else
+-	case $1 in #(
+-	-*)set "./$1";;
+-	esac;
+-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+-	???[sx]*):;;*)false;;esac;fi
+-    '\'' sh
+-  '
+-fi
+-as_executable_p=$as_test_x
++as_test_x='test -x'
++as_executable_p=as_fn_executable_p
+ 
+ # Sed expression to map a string onto a valid CPP name.
+ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+@@ -1242,8 +1262,6 @@
+ if test "x$host_alias" != x; then
+   if test "x$build_alias" = x; then
+     cross_compiling=maybe
+-    $as_echo "$as_me: WARNING: if you wanted to set the --build type, don't use --host.
+-    If a cross compiler is detected then cross compile mode will be used" >&2
+   elif test "x$build_alias" != "x$host_alias"; then
+     cross_compiling=yes
+   fi
+@@ -1518,9 +1536,9 @@
+ if $ac_init_version; then
+   cat <<\_ACEOF
+ ldns configure 1.6.16
+-generated by GNU Autoconf 2.68
++generated by GNU Autoconf 2.69
+ 
+-Copyright (C) 2010 Free Software Foundation, Inc.
++Copyright (C) 2012 Free Software Foundation, Inc.
+ This configure script is free software; the Free Software Foundation
+ gives unlimited permission to copy, distribute and modify it.
+ _ACEOF
+@@ -1851,7 +1869,7 @@
+ 	 test ! -s conftest.err
+        } && test -s conftest$ac_exeext && {
+ 	 test "$cross_compiling" = yes ||
+-	 $as_test_x conftest$ac_exeext
++	 test -x conftest$ac_exeext
+        }; then :
+   ac_retval=0
+ else
+@@ -2000,7 +2018,8 @@
+ main ()
+ {
+ static int test_array [1 - 2 * !(($2) >= 0)];
+-test_array [0] = 0
++test_array [0] = 0;
++return test_array [0];
+ 
+   ;
+   return 0;
+@@ -2016,7 +2035,8 @@
+ main ()
+ {
+ static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+-test_array [0] = 0
++test_array [0] = 0;
++return test_array [0];
+ 
+   ;
+   return 0;
+@@ -2042,7 +2062,8 @@
+ main ()
+ {
+ static int test_array [1 - 2 * !(($2) < 0)];
+-test_array [0] = 0
++test_array [0] = 0;
++return test_array [0];
+ 
+   ;
+   return 0;
+@@ -2058,7 +2079,8 @@
+ main ()
+ {
+ static int test_array [1 - 2 * !(($2) >= $ac_mid)];
+-test_array [0] = 0
++test_array [0] = 0;
++return test_array [0];
+ 
+   ;
+   return 0;
+@@ -2092,7 +2114,8 @@
+ main ()
+ {
+ static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+-test_array [0] = 0
++test_array [0] = 0;
++return test_array [0];
+ 
+   ;
+   return 0;
+@@ -2222,7 +2245,7 @@
+ running configure, to aid debugging if configure makes a mistake.
+ 
+ It was created by ldns $as_me 1.6.16, which was
+-generated by GNU Autoconf 2.68.  Invocation command line was
++generated by GNU Autoconf 2.69.  Invocation command line was
+ 
+   $ $0 $@
+ 
+@@ -2606,7 +2629,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_CC="${ac_tool_prefix}gcc"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -2646,7 +2669,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_CC="gcc"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -2699,7 +2722,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_CC="${ac_tool_prefix}cc"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -2740,7 +2763,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+        ac_prog_rejected=yes
+        continue
+@@ -2798,7 +2821,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -2842,7 +2865,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_CC="$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -3288,8 +3311,7 @@
+ /* end confdefs.h.  */
+ #include <stdarg.h>
+ #include <stdio.h>
+-#include <sys/types.h>
+-#include <sys/stat.h>
++struct stat;
+ /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+ struct buf { int x; };
+ FILE * (*rcsopen) (struct buf *, struct stat *, int);
+@@ -3529,7 +3551,7 @@
+     for ac_prog in grep ggrep; do
+     for ac_exec_ext in '' $ac_executable_extensions; do
+       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+-      { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
++      as_fn_executable_p "$ac_path_GREP" || continue
+ # Check for GNU ac_path_GREP and select it if it is found.
+   # Check for GNU $ac_path_GREP
+ case `"$ac_path_GREP" --version 2>&1` in
+@@ -3595,7 +3617,7 @@
+     for ac_prog in egrep; do
+     for ac_exec_ext in '' $ac_executable_extensions; do
+       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+-      { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
++      as_fn_executable_p "$ac_path_EGREP" || continue
+ # Check for GNU ac_path_EGREP and select it if it is found.
+   # Check for GNU $ac_path_EGREP
+ case `"$ac_path_EGREP" --version 2>&1` in
+@@ -3802,8 +3824,8 @@
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ 
+-#	  define __EXTENSIONS__ 1
+-	  $ac_includes_default
++#         define __EXTENSIONS__ 1
++          $ac_includes_default
+ int
+ main ()
+ {
+@@ -3857,7 +3879,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_CC="${ac_tool_prefix}gcc"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -3897,7 +3919,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_CC="gcc"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -3950,7 +3972,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_CC="${ac_tool_prefix}cc"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -3991,7 +4013,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+        ac_prog_rejected=yes
+        continue
+@@ -4049,7 +4071,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -4093,7 +4115,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_CC="$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -4289,8 +4311,7 @@
+ /* end confdefs.h.  */
+ #include <stdarg.h>
+ #include <stdio.h>
+-#include <sys/types.h>
+-#include <sys/stat.h>
++struct stat;
+ /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
+ struct buf { int x; };
+ FILE * (*rcsopen) (struct buf *, struct stat *, int);
+@@ -4624,11 +4645,11 @@
+ int
+ main ()
+ {
+-/* FIXME: Include the comments suggested by Paul. */
++
+ #ifndef __cplusplus
+-  /* Ultrix mips cc rejects this.  */
++  /* Ultrix mips cc rejects this sort of thing.  */
+   typedef int charset[2];
+-  const charset cs;
++  const charset cs = { 0, 0 };
+   /* SunOS 4.1.1 cc rejects this.  */
+   char const *const *pcpcc;
+   char **ppc;
+@@ -4645,8 +4666,9 @@
+   ++pcpcc;
+   ppc = (char**) pcpcc;
+   pcpcc = (char const *const *) ppc;
+-  { /* SCO 3.2v4 cc rejects this.  */
+-    char *t;
++  { /* SCO 3.2v4 cc rejects this sort of thing.  */
++    char tx;
++    char *t = &tx;
+     char const *s = 0 ? (char *) 0 : (char const *) 0;
+ 
+     *t++ = 0;
+@@ -4662,10 +4684,10 @@
+     iptr p = 0;
+     ++p;
+   }
+-  { /* AIX XL C 1.02.0.0 rejects this saying
++  { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying
+        "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+-    struct s { int j; const int *ap[3]; };
+-    struct s *b; b->j = 5;
++    struct s { int j; const int *ap[3]; } bx;
++    struct s *b = &bx; b->j = 5;
+   }
+   { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+     const int foo = 10;
+@@ -5482,7 +5504,7 @@
+ 
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we need -D_POSIX_C_SOURCE=200112 as a flag for $CC" >&5
+ $as_echo_n "checking whether we need -D_POSIX_C_SOURCE=200112 as a flag for $CC... " >&6; }
+-cache=`$as_echo "-D_POSIX_C_SOURCE=200112" | $as_tr_sh`
++cache=_D_POSIX_C_SOURCE_200112
+ if eval \${cv_prog_cc_flag_needed_$cache+:} false; then :
+   $as_echo_n "(cached) " >&6
+ else
+@@ -5785,7 +5807,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_doxygen="doxygen"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -6034,7 +6056,7 @@
+ fi
+ 
+ # check for python
+-PYTHON_X_CFLAGS=""
++PYTHON_X_CFLAGS="-L/usr/local/lib"
+ ldns_with_pyldns=no
+ ldns_with_pyldnsx=no
+ 
+@@ -6083,11 +6105,12 @@
+ # LICENSE
+ #
+ #   Copyright (c) 2009 Sebastian Huber <sebastian-huber@web.de>
+-#   Copyright (c) 2009 Alan W. Irwin <irwin@beluga.phys.uvic.ca>
++#   Copyright (c) 2009 Alan W. Irwin
+ #   Copyright (c) 2009 Rafael Laboissiere <rafael@laboissiere.net>
+-#   Copyright (c) 2009 Andrew Collier <colliera@ukzn.ac.za>
++#   Copyright (c) 2009 Andrew Collier
+ #   Copyright (c) 2009 Matteo Settenvini <matteo@member.fsf.org>
+ #   Copyright (c) 2009 Horst Knorr <hk_classes@knoda.org>
++#   Copyright (c) 2013 Daniel Mullner <muellner@math.stanford.edu>
+ #
+ #   This program is free software: you can redistribute it and/or modify it
+ #   under the terms of the GNU General Public License as published by the
+@@ -6115,7 +6138,7 @@
+ #   modified version of the Autoconf Macro, you may extend this special
+ #   exception to the GPL to apply to your modified version as well.
+ 
+-#serial 8
++#serial 16
+ 
+ # This is what autoupdate's m4 run will expand.  It fires
+ # the warning (with _au_warn_XXX), outputs it into the
+@@ -6163,7 +6186,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_path_PYTHON="$as_dir/$ac_word$ac_exec_ext"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -6273,8 +6296,14 @@
+ 	if test -z "$PYTHON_CPPFLAGS"; then
+ 		python_path=`$PYTHON -c "import distutils.sysconfig; \
+ 			print (distutils.sysconfig.get_python_inc ());"`
++		plat_python_path=`$PYTHON -c "import distutils.sysconfig; \
++			print (distutils.sysconfig.get_python_inc (plat_specific=1));"`
+ 		if test -n "${python_path}"; then
+-			python_path="-I$python_path"
++			if test "${plat_python_path}" != "${python_path}"; then
++				python_path="-I$python_path -I$plat_python_path"
++			else
++				python_path="-I$python_path"
++			fi
+ 		fi
+ 		PYTHON_CPPFLAGS=$python_path
+ 	fi
+@@ -6295,13 +6324,10 @@
+ # join all versioning strings, on some systems
+ # major/minor numbers could be in different list elements
+ from distutils.sysconfig import *
+-ret = ''
+-for e in get_config_vars ('VERSION'):
+-	if (e != None):
+-		ret += e
+-print (ret)
+-EOD
+-`
++e = get_config_var('VERSION')
++if e is not None:
++	print(e)
++EOD`
+ 
+ 		if test -z "$ac_python_version"; then
+ 			if test -n "$PYTHON_VERSION"; then
+@@ -6324,34 +6350,27 @@
+ 
+ # There should be only one
+ import distutils.sysconfig
+-for e in distutils.sysconfig.get_config_vars ('LIBDIR'):
+-	if e != None:
+-		print (e)
+-		break
+-EOD
+-`
+-
+-		# Before checking for libpythonX.Y, we need to know
+-		# the extension the OS we're on uses for libraries
+-		# (we take the first one, if there's more than one fix me!):
+-		ac_python_soext=`$PYTHON -c \
+-		  "import distutils.sysconfig; \
+-		  print (distutils.sysconfig.get_config_vars('SO')[0])"`
++e = distutils.sysconfig.get_config_var('LIBDIR')
++if e is not None:
++	print (e)
++EOD`
+ 
+ 		# Now, for the library:
+-		ac_python_soname=`$PYTHON -c \
+-		  "import distutils.sysconfig; \
+-		  print (distutils.sysconfig.get_config_vars('LDLIBRARY')[0])"`
++		ac_python_library=`cat<<EOD | $PYTHON -
+ 
+-		# Strip away extension from the end to canonicalize its name:
+-		ac_python_library=`echo "$ac_python_soname" | sed "s/${ac_python_soext}$//"`
++import distutils.sysconfig
++c = distutils.sysconfig.get_config_vars()
++if 'LDVERSION' in c:
++	print ('python'+c['LDVERSION'])
++else:
++	print ('python'+c['VERSION'])
++EOD`
+ 
+ 		# This small piece shamelessly adapted from PostgreSQL python macro;
+ 		# credits goes to momjian, I think. I'd like to put the right name
+ 		# in the credits, if someone can point me in the right direction... ?
+ 		#
+-		if test -n "$ac_python_libdir" -a -n "$ac_python_library" \
+-			-a x"$ac_python_library" != x"$ac_python_soname"
++		if test -n "$ac_python_libdir" -a -n "$ac_python_library"
+ 		then
+ 			# use the official shared library
+ 			ac_python_library=`echo "$ac_python_library" | sed "s/^lib//"`
+@@ -6383,7 +6402,7 @@
+ $as_echo_n "checking for Python site-packages path... " >&6; }
+ 	if test -z "$PYTHON_SITE_PKG"; then
+ 		PYTHON_SITE_PKG=`$PYTHON -c "import distutils.sysconfig; \
+-			print (distutils.sysconfig.get_python_lib(1,0));"`
++			print (distutils.sysconfig.get_python_lib(0,0));"`
+ 	fi
+ 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON_SITE_PKG" >&5
+ $as_echo "$PYTHON_SITE_PKG" >&6; }
+@@ -6397,7 +6416,7 @@
+ 	if test -z "$PYTHON_EXTRA_LIBS"; then
+ 	   PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \
+                 conf = distutils.sysconfig.get_config_var; \
+-                print (conf('LOCALMODLIBS') + ' ' + conf('LIBS'))"`
++                print (conf('LIBS'))"`
+ 	fi
+ 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON_EXTRA_LIBS" >&5
+ $as_echo "$PYTHON_EXTRA_LIBS" >&6; }
+@@ -6598,7 +6617,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_path_SWIG="$as_dir/$ac_word$ac_exec_ext"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -6717,7 +6736,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_path_SWIG="$as_dir/$ac_word$ac_exec_ext"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -7042,7 +7061,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_path_AR="$as_dir/$ac_word$ac_exec_ext"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -7085,7 +7104,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_path_ac_pt_AR="$as_dir/$ac_word$ac_exec_ext"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -7241,7 +7260,7 @@
+     for ac_prog in sed gsed; do
+     for ac_exec_ext in '' $ac_executable_extensions; do
+       ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
+-      { test -f "$ac_path_SED" && $as_test_x "$ac_path_SED"; } || continue
++      as_fn_executable_p "$ac_path_SED" || continue
+ # Check for GNU ac_path_SED and select it if it is found.
+   # Check for GNU $ac_path_SED
+ case `"$ac_path_SED" --version 2>&1` in
+@@ -7320,7 +7339,7 @@
+     for ac_prog in fgrep; do
+     for ac_exec_ext in '' $ac_executable_extensions; do
+       ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext"
+-      { test -f "$ac_path_FGREP" && $as_test_x "$ac_path_FGREP"; } || continue
++      as_fn_executable_p "$ac_path_FGREP" || continue
+ # Check for GNU ac_path_FGREP and select it if it is found.
+   # Check for GNU $ac_path_FGREP
+ case `"$ac_path_FGREP" --version 2>&1` in
+@@ -7576,7 +7595,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -7620,7 +7639,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8044,7 +8063,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8084,7 +8103,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_OBJDUMP="objdump"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8256,7 +8275,7 @@
+   lt_cv_deplibs_check_method=pass_all
+   ;;
+ 
+-netbsd* | netbsdelf*-gnu)
++netbsd*)
+   if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
+     lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
+   else
+@@ -8390,7 +8409,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8430,7 +8449,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_DLLTOOL="dlltool"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8533,7 +8552,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_AR="$ac_tool_prefix$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8577,7 +8596,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_AR="$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8702,7 +8721,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8742,7 +8761,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_STRIP="strip"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8801,7 +8820,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8841,7 +8860,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_RANLIB="ranlib"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -8945,7 +8964,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_AWK="$ac_prog"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9532,7 +9551,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9572,7 +9591,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_MANIFEST_TOOL="mt"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9652,7 +9671,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9692,7 +9711,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9744,7 +9763,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9784,7 +9803,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_NMEDIT="nmedit"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9836,7 +9855,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_LIPO="${ac_tool_prefix}lipo"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9876,7 +9895,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_LIPO="lipo"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9928,7 +9947,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_OTOOL="${ac_tool_prefix}otool"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -9968,7 +9987,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_OTOOL="otool"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -10020,7 +10039,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -10060,7 +10079,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_OTOOL64="otool64"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -11429,9 +11448,6 @@
+   openbsd*)
+     with_gnu_ld=no
+     ;;
+-  linux* | k*bsd*-gnu | gnu*)
+-    link_all_deplibs=no
+-    ;;
+   esac
+ 
+   ld_shlibs=yes
+@@ -11653,7 +11669,7 @@
+       fi
+       ;;
+ 
+-    netbsd* | netbsdelf*-gnu)
++    netbsd*)
+       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+ 	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
+ 	wlarc=
+@@ -11830,7 +11846,6 @@
+ 	if test "$aix_use_runtimelinking" = yes; then
+ 	  shared_flag="$shared_flag "'${wl}-G'
+ 	fi
+-	link_all_deplibs=no
+       else
+ 	# not using gcc
+ 	if test "$host_cpu" = ia64; then
+@@ -12284,7 +12299,7 @@
+       link_all_deplibs=yes
+       ;;
+ 
+-    netbsd* | netbsdelf*-gnu)
++    netbsd*)
+       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+ 	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
+       else
+@@ -13312,18 +13327,6 @@
+   dynamic_linker='GNU/Linux ld.so'
+   ;;
+ 
+-netbsdelf*-gnu)
+-  version_type=linux
+-  need_lib_prefix=no
+-  need_version=no
+-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+-  soname_spec='${libname}${release}${shared_ext}$major'
+-  shlibpath_var=LD_LIBRARY_PATH
+-  shlibpath_overrides_runpath=no
+-  hardcode_into_libs=yes
+-  dynamic_linker='NetBSD ld.elf_so'
+-  ;;
+-
+ netbsd*)
+   version_type=sunos
+   need_lib_prefix=no
+@@ -15112,60 +15115,60 @@
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ 
+-#include <stdbool.h>
+-#ifndef bool
+- "error: bool is not defined"
+-#endif
+-#ifndef false
+- "error: false is not defined"
+-#endif
+-#if false
+- "error: false is not 0"
+-#endif
+-#ifndef true
+- "error: true is not defined"
+-#endif
+-#if true != 1
+- "error: true is not 1"
+-#endif
+-#ifndef __bool_true_false_are_defined
+- "error: __bool_true_false_are_defined is not defined"
+-#endif
++             #include <stdbool.h>
++             #ifndef bool
++              "error: bool is not defined"
++             #endif
++             #ifndef false
++              "error: false is not defined"
++             #endif
++             #if false
++              "error: false is not 0"
++             #endif
++             #ifndef true
++              "error: true is not defined"
++             #endif
++             #if true != 1
++              "error: true is not 1"
++             #endif
++             #ifndef __bool_true_false_are_defined
++              "error: __bool_true_false_are_defined is not defined"
++             #endif
+ 
+-	struct s { _Bool s: 1; _Bool t; } s;
++             struct s { _Bool s: 1; _Bool t; } s;
+ 
+-	char a[true == 1 ? 1 : -1];
+-	char b[false == 0 ? 1 : -1];
+-	char c[__bool_true_false_are_defined == 1 ? 1 : -1];
+-	char d[(bool) 0.5 == true ? 1 : -1];
+-	/* See body of main program for 'e'.  */
+-	char f[(_Bool) 0.0 == false ? 1 : -1];
+-	char g[true];
+-	char h[sizeof (_Bool)];
+-	char i[sizeof s.t];
+-	enum { j = false, k = true, l = false * true, m = true * 256 };
+-	/* The following fails for
+-	   HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */
+-	_Bool n[m];
+-	char o[sizeof n == m * sizeof n[0] ? 1 : -1];
+-	char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];
+-	/* Catch a bug in an HP-UX C compiler.  See
+-	   http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
+-	   http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
+-	 */
+-	_Bool q = true;
+-	_Bool *pq = &q;
++             char a[true == 1 ? 1 : -1];
++             char b[false == 0 ? 1 : -1];
++             char c[__bool_true_false_are_defined == 1 ? 1 : -1];
++             char d[(bool) 0.5 == true ? 1 : -1];
++             /* See body of main program for 'e'.  */
++             char f[(_Bool) 0.0 == false ? 1 : -1];
++             char g[true];
++             char h[sizeof (_Bool)];
++             char i[sizeof s.t];
++             enum { j = false, k = true, l = false * true, m = true * 256 };
++             /* The following fails for
++                HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */
++             _Bool n[m];
++             char o[sizeof n == m * sizeof n[0] ? 1 : -1];
++             char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];
++             /* Catch a bug in an HP-UX C compiler.  See
++                http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
++                http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
++              */
++             _Bool q = true;
++             _Bool *pq = &q;
+ 
+ int
+ main ()
+ {
+ 
+-	bool e = &s;
+-	*pq |= q;
+-	*pq |= ! q;
+-	/* Refer to every declared value, to avoid compiler optimizations.  */
+-	return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l
+-		+ !m + !n + !o + !p + !q + !pq);
++             bool e = &s;
++             *pq |= q;
++             *pq |= ! q;
++             /* Refer to every declared value, to avoid compiler optimizations.  */
++             return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l
++                     + !m + !n + !o + !p + !q + !pq);
+ 
+   ;
+   return 0;
+@@ -15180,7 +15183,7 @@
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdbool_h" >&5
+ $as_echo "$ac_cv_header_stdbool_h" >&6; }
+-ac_fn_c_check_type "$LINENO" "_Bool" "ac_cv_type__Bool" "$ac_includes_default"
++   ac_fn_c_check_type "$LINENO" "_Bool" "ac_cv_type__Bool" "$ac_includes_default"
+ if test "x$ac_cv_type__Bool" = xyes; then :
+ 
+ cat >>confdefs.h <<_ACEOF
+@@ -15190,6 +15193,7 @@
+ 
+ fi
+ 
++
+ if test $ac_cv_header_stdbool_h = yes; then
+ 
+ $as_echo "#define HAVE_STDBOOL_H 1" >>confdefs.h
+@@ -15520,7 +15524,8 @@
+ main ()
+ {
+ static int test_array [1 - 2 * !(sizeof (void *) <= sizeof ($ac_type))];
+-test_array [0] = 0
++test_array [0] = 0;
++return test_array [0];
+ 
+   ;
+   return 0;
+@@ -16336,7 +16341,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_WINDRES="${ac_tool_prefix}windres"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -16376,7 +16381,7 @@
+   IFS=$as_save_IFS
+   test -z "$as_dir" && as_dir=.
+     for ac_exec_ext in '' $ac_executable_extensions; do
+-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
++  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+     ac_cv_prog_ac_ct_WINDRES="windres"
+     $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+     break 2
+@@ -17070,16 +17075,16 @@
+     # ... but there are two gotchas:
+     # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+     # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+-    # In both cases, we have to default to `cp -p'.
++    # In both cases, we have to default to `cp -pR'.
+     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
+-      as_ln_s='cp -p'
++      as_ln_s='cp -pR'
+   elif ln conf$$.file conf$$ 2>/dev/null; then
+     as_ln_s=ln
+   else
+-    as_ln_s='cp -p'
++    as_ln_s='cp -pR'
+   fi
+ else
+-  as_ln_s='cp -p'
++  as_ln_s='cp -pR'
+ fi
+ rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
+ rmdir conf$$.dir 2>/dev/null
+@@ -17139,28 +17144,16 @@
+   as_mkdir_p=false
+ fi
+ 
+-if test -x / >/dev/null 2>&1; then
+-  as_test_x='test -x'
+-else
+-  if ls -dL / >/dev/null 2>&1; then
+-    as_ls_L_option=L
+-  else
+-    as_ls_L_option=
+-  fi
+-  as_test_x='
+-    eval sh -c '\''
+-      if test -d "$1"; then
+-	test -d "$1/.";
+-      else
+-	case $1 in #(
+-	-*)set "./$1";;
+-	esac;
+-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
+-	???[sx]*):;;*)false;;esac;fi
+-    '\'' sh
+-  '
+-fi
+-as_executable_p=$as_test_x
++
++# as_fn_executable_p FILE
++# -----------------------
++# Test if FILE is an executable regular file.
++as_fn_executable_p ()
++{
++  test -f "$1" && test -x "$1"
++} # as_fn_executable_p
++as_test_x='test -x'
++as_executable_p=as_fn_executable_p
+ 
+ # Sed expression to map a string onto a valid CPP name.
+ as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+@@ -17182,7 +17175,7 @@
+ # values after options handling.
+ ac_log="
+ This file was extended by ldns $as_me 1.6.16, which was
+-generated by GNU Autoconf 2.68.  Invocation command line was
++generated by GNU Autoconf 2.69.  Invocation command line was
+ 
+   CONFIG_FILES    = $CONFIG_FILES
+   CONFIG_HEADERS  = $CONFIG_HEADERS
+@@ -17248,10 +17241,10 @@
+ ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
+ ac_cs_version="\\
+ ldns config.status 1.6.16
+-configured by $0, generated by GNU Autoconf 2.68,
++configured by $0, generated by GNU Autoconf 2.69,
+   with options \\"\$ac_cs_config\\"
+ 
+-Copyright (C) 2010 Free Software Foundation, Inc.
++Copyright (C) 2012 Free Software Foundation, Inc.
+ This config.status script is free software; the Free Software Foundation
+ gives unlimited permission to copy, distribute and modify it."
+ 
+@@ -17340,7 +17333,7 @@
+ _ACEOF
+ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ if \$ac_cs_recheck; then
+-  set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
++  set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+   shift
+   \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
+   CONFIG_SHELL='$SHELL'
+