From ee6e142192a8511460fa2262cc9b5293fbab995f Mon Sep 17 00:00:00 2001
From: Wouter Wijngaards <wouter@nlnetlabs.nl>
Date: Thu, 17 Jan 2008 08:17:24 +0000
Subject: [PATCH] configure fixes.

git-svn-id: file:///svn/unbound/trunk@869 be551aaa-1e26-0410-a405-d3ace91eadb9
---
 config.h.in   |  10 +--
 configure     | 221 +++++++++++++++++++++++++++++++++++++-------------
 configure.ac  |   7 +-
 doc/Changelog |   3 +
 4 files changed, 173 insertions(+), 68 deletions(-)

diff --git a/config.h.in b/config.h.in
index 8739093c2..1659a0fcc 100644
--- a/config.h.in
+++ b/config.h.in
@@ -57,14 +57,8 @@
 /* Define to 1 if you have the `crypto' library (-lcrypto). */
 #undef HAVE_LIBCRYPTO
 
-/* Define to 1 if you have the `nsl' library (-lnsl). */
-#undef HAVE_LIBNSL
-
-/* Define to 1 if you have the `rt' library (-lrt). */
-#undef HAVE_LIBRT
-
-/* Define to 1 if you have the `socket' library (-lsocket). */
-#undef HAVE_LIBSOCKET
+/* Define to 1 if you have the `ldns' library (-lldns). */
+#undef HAVE_LIBLDNS
 
 /* Define to 1 if your system has a GNU libc compatible `malloc' function, and
    to 0 otherwise. */
diff --git a/configure b/configure
index cbcdc6f1f..7d404c359 100755
--- a/configure
+++ b/configure
@@ -21692,14 +21692,12 @@ fi
 fi
 
 # check to see if libraries are needed for these functions.
-
-{ echo "$as_me:$LINENO: checking for inet_pton in -lnsl" >&5
-echo $ECHO_N "checking for inet_pton in -lnsl... $ECHO_C" >&6; }
-if test "${ac_cv_lib_nsl_inet_pton+set}" = set; then
+{ echo "$as_me:$LINENO: checking for library containing inet_pton" >&5
+echo $ECHO_N "checking for library containing inet_pton... $ECHO_C" >&6; }
+if test "${ac_cv_search_inet_pton+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lnsl  $LIBS"
+  ac_func_search_save_LIBS=$LIBS
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -21722,7 +21720,14 @@ return inet_pton ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
+for ac_lib in '' nsl; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
 if { (ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
@@ -21740,37 +21745,42 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext &&
        $as_test_x conftest$ac_exeext; then
-  ac_cv_lib_nsl_inet_pton=yes
+  ac_cv_search_inet_pton=$ac_res
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_nsl_inet_pton=no
+
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+      conftest$ac_exeext
+  if test "${ac_cv_search_inet_pton+set}" = set; then
+  break
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_nsl_inet_pton" >&5
-echo "${ECHO_T}$ac_cv_lib_nsl_inet_pton" >&6; }
-if test $ac_cv_lib_nsl_inet_pton = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBNSL 1
-_ACEOF
-
-  LIBS="-lnsl $LIBS"
-
+done
+if test "${ac_cv_search_inet_pton+set}" = set; then
+  :
+else
+  ac_cv_search_inet_pton=no
 fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_inet_pton" >&5
+echo "${ECHO_T}$ac_cv_search_inet_pton" >&6; }
+ac_res=$ac_cv_search_inet_pton
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
+fi
 
-{ echo "$as_me:$LINENO: checking for socket in -lsocket" >&5
-echo $ECHO_N "checking for socket in -lsocket... $ECHO_C" >&6; }
-if test "${ac_cv_lib_socket_socket+set}" = set; then
+{ echo "$as_me:$LINENO: checking for library containing socket" >&5
+echo $ECHO_N "checking for library containing socket... $ECHO_C" >&6; }
+if test "${ac_cv_search_socket+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lsocket  $LIBS"
+  ac_func_search_save_LIBS=$LIBS
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -21793,7 +21803,14 @@ return socket ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
+for ac_lib in '' socket; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
 if { (ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
@@ -21811,38 +21828,43 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext &&
        $as_test_x conftest$ac_exeext; then
-  ac_cv_lib_socket_socket=yes
+  ac_cv_search_socket=$ac_res
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_socket_socket=no
+
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+      conftest$ac_exeext
+  if test "${ac_cv_search_socket+set}" = set; then
+  break
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_socket_socket" >&5
-echo "${ECHO_T}$ac_cv_lib_socket_socket" >&6; }
-if test $ac_cv_lib_socket_socket = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBSOCKET 1
-_ACEOF
-
-  LIBS="-lsocket $LIBS"
+done
+if test "${ac_cv_search_socket+set}" = set; then
+  :
+else
+  ac_cv_search_socket=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_socket" >&5
+echo "${ECHO_T}$ac_cv_search_socket" >&6; }
+ac_res=$ac_cv_search_socket
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
 # check for library used by libevent after 1.3c
-
-{ echo "$as_me:$LINENO: checking for clock_gettime in -lrt" >&5
-echo $ECHO_N "checking for clock_gettime in -lrt... $ECHO_C" >&6; }
-if test "${ac_cv_lib_rt_clock_gettime+set}" = set; then
+{ echo "$as_me:$LINENO: checking for library containing clock_gettime" >&5
+echo $ECHO_N "checking for library containing clock_gettime... $ECHO_C" >&6; }
+if test "${ac_cv_search_clock_gettime+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lrt  $LIBS"
+  ac_func_search_save_LIBS=$LIBS
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -21865,7 +21887,14 @@ return clock_gettime ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
+for ac_lib in '' rt; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
 if { (ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
@@ -21883,26 +21912,33 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
 	 test ! -s conftest.err
        } && test -s conftest$ac_exeext &&
        $as_test_x conftest$ac_exeext; then
-  ac_cv_lib_rt_clock_gettime=yes
+  ac_cv_search_clock_gettime=$ac_res
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_cv_lib_rt_clock_gettime=no
+
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+      conftest$ac_exeext
+  if test "${ac_cv_search_clock_gettime+set}" = set; then
+  break
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_rt_clock_gettime" >&5
-echo "${ECHO_T}$ac_cv_lib_rt_clock_gettime" >&6; }
-if test $ac_cv_lib_rt_clock_gettime = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_LIBRT 1
-_ACEOF
-
-  LIBS="-lrt $LIBS"
+done
+if test "${ac_cv_search_clock_gettime+set}" = set; then
+  :
+else
+  ac_cv_search_clock_gettime=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search_clock_gettime" >&5
+echo "${ECHO_T}$ac_cv_search_clock_gettime" >&6; }
+ac_res=$ac_cv_search_clock_gettime
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
 
@@ -23900,6 +23936,77 @@ echo "${ECHO_T}$ac_cv_lib_ldns_ldns_rr_new" >&6; }
 if test $ac_cv_lib_ldns_ldns_rr_new = yes; then
 
 
+{ echo "$as_me:$LINENO: checking for ldns_rr_free in -lldns" >&5
+echo $ECHO_N "checking for ldns_rr_free in -lldns... $ECHO_C" >&6; }
+if test "${ac_cv_lib_ldns_ldns_rr_free+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lldns  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char ldns_rr_free ();
+int
+main ()
+{
+return ldns_rr_free ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$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 $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  ac_cv_lib_ldns_ldns_rr_free=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_lib_ldns_ldns_rr_free=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_lib_ldns_ldns_rr_free" >&5
+echo "${ECHO_T}$ac_cv_lib_ldns_ldns_rr_free" >&6; }
+if test $ac_cv_lib_ldns_ldns_rr_free = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBLDNS 1
+_ACEOF
+
+  LIBS="-lldns $LIBS"
+
+fi
+
+
 for ac_func in inet_aton
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
diff --git a/configure.ac b/configure.ac
index 94f53b78a..3d8db09b6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -521,10 +521,10 @@ if test x_$withval != x_no; then
 fi
 
 # check to see if libraries are needed for these functions.
-AC_CHECK_LIB(nsl, inet_pton)
-AC_CHECK_LIB(socket, socket)
+AC_SEARCH_LIBS([inet_pton], [nsl])
+AC_SEARCH_LIBS([socket], [socket])
 # check for library used by libevent after 1.3c
-AC_CHECK_LIB(rt, clock_gettime)
+AC_SEARCH_LIBS([clock_gettime], [rt])
 
 # check for libevent
 AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
@@ -623,6 +623,7 @@ AC_ARG_WITH(ldns,
 
 AC_CHECK_LIB(ldns, ldns_rr_new, [
 dnl ldns was found, check compat functions
+AC_CHECK_LIB(ldns, [ldns_rr_free])
 AC_REPLACE_FUNCS(inet_aton)
 AC_REPLACE_FUNCS(inet_pton)
 AC_REPLACE_FUNCS(inet_ntop)
diff --git a/doc/Changelog b/doc/Changelog
index 48159808c..5cc98459e 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,3 +1,6 @@
+17 January 2008: Wouter
+	- fixup configure in case -lldns is installed.
+
 16 January 2008: Wouter
 	- incoming queries to the server with TC bit on are replied FORMERR.
 	- interface-automatic replied the wrong source address on localhost
-- 
2.47.2