ldns version check added.

git-svn-id: file:///svn/unbound/trunk@1346 be551aaa-1e26-0410-a405-d3ace91eadb9

configure

@@ -26250,6 +26250,96 @@ _ACEOF
 
 fi
 
+{ echo "$as_me:$LINENO: checking for ldns_b32_ntop_extended_hex" >&5
+echo $ECHO_N "checking for ldns_b32_ntop_extended_hex... $ECHO_C" >&6; }
+if test "${ac_cv_func_ldns_b32_ntop_extended_hex+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 ldns_b32_ntop_extended_hex to an innocuous variant, in case <limits.h> declares ldns_b32_ntop_extended_hex.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define ldns_b32_ntop_extended_hex innocuous_ldns_b32_ntop_extended_hex
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char ldns_b32_ntop_extended_hex (); 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 ldns_b32_ntop_extended_hex
+
+/* 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_b32_ntop_extended_hex ();
+/* 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_ldns_b32_ntop_extended_hex || defined __stub___ldns_b32_ntop_extended_hex
+choke me
+#endif
+
+int
+main ()
+{
+return ldns_b32_ntop_extended_hex ();
+  ;
+  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_func_ldns_b32_ntop_extended_hex=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_func_ldns_b32_ntop_extended_hex=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_func_ldns_b32_ntop_extended_hex" >&5
+echo "${ECHO_T}$ac_cv_func_ldns_b32_ntop_extended_hex" >&6; }
+if test $ac_cv_func_ldns_b32_ntop_extended_hex = yes; then
+  :
+else
+
+	{ { echo "$as_me:$LINENO: error: ldns version too old, need >=1.4.0" >&5
+echo "$as_me: error: ldns version too old, need >=1.4.0" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
 
 else
 

configure.ac

@@ -999,6 +999,8 @@ AC_ARG_WITH(ldns,
 AC_CHECK_LIB(ldns, ldns_buffer_copy, [
 dnl ldns was found, check compat functions
 AC_CHECK_LIB(ldns, [ldns_rr_free])
+AC_CHECK_FUNC([ldns_b32_ntop_extended_hex],, [
+	AC_MSG_ERROR([ldns version too old, need >=1.4.0])])
 ] , [
 dnl use the builtin ldns-src.tar.gz file to build ldns.
 if test ! -f $srcdir/ldns-src.tar.gz; then

doc/Changelog

@@ -1,5 +1,6 @@
 13 November 2008: Wouter
 	- added fedora init and specfile to contrib (by Paul Wouters).
+	- added configure check for ldns 1.4.0 (using its compat funcs).
 
 12 November 2008: Wouter
 	- add unbound-control manpage to makedist replace list.