configure: Added check to catch old versions of the dbus library.

configure

@@ -9577,13 +9577,20 @@ if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
- echo "$as_me:$LINENO: checking for libhal_ctx_new in -lhal" >&5
+
+fi
+
+done
+
+    if test "$ac_cv_header_dbus_dbus_h" = "yes" -a "$ac_cv_header_hal_libhal_h" = "yes"
+    then
+        echo "$as_me:$LINENO: checking for libhal_ctx_new in -lhal" >&5
 echo $ECHO_N "checking for libhal_ctx_new in -lhal... $ECHO_C" >&6
 if test "${ac_cv_lib_hal_libhal_ctx_new+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lhal $ac_hal_libs $LIBS"
+LIBS="-lhal  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -9641,6 +9648,70 @@ fi
 echo "$as_me:$LINENO: result: $ac_cv_lib_hal_libhal_ctx_new" >&5
 echo "${ECHO_T}$ac_cv_lib_hal_libhal_ctx_new" >&6
 if test $ac_cv_lib_hal_libhal_ctx_new = yes; then
+  echo "$as_me:$LINENO: checking for dbus_connection_close in -ldbus-1" >&5
+echo $ECHO_N "checking for dbus_connection_close in -ldbus-1... $ECHO_C" >&6
+if test "${ac_cv_lib_dbus_1_dbus_connection_close+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldbus-1 $ac_hal_libs $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any 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 dbus_connection_close ();
+int
+main ()
+{
+dbus_connection_close ();
+  ;
+  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 $ac_status); }; }; then
+  ac_cv_lib_dbus_1_dbus_connection_close=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_dbus_1_dbus_connection_close=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_dbus_1_dbus_connection_close" >&5
+echo "${ECHO_T}$ac_cv_lib_dbus_1_dbus_connection_close" >&6
+if test $ac_cv_lib_dbus_1_dbus_connection_close = yes; then
 
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_LIBHAL 1
@@ -9651,8 +9722,7 @@ fi
 
 fi
 
-done
-
+    fi
     CPPFLAGS="$ac_save_CPPFLAGS"
 fi
 

configure.ac

@@ -513,10 +513,14 @@ then
     ac_hal_libs="`$PKG_CONFIG --libs hal`"
     ac_hal_cflags="`$PKG_CONFIG --cflags hal`"
     CPPFLAGS="$CPPFLAGS $ac_hal_cflags"
-    AC_CHECK_HEADERS([dbus/dbus.h hal/libhal.h],
-        [AC_CHECK_LIB(hal, libhal_ctx_new,
+    AC_CHECK_HEADERS([dbus/dbus.h hal/libhal.h])
+    if test "$ac_cv_header_dbus_dbus_h" = "yes" -a "$ac_cv_header_hal_libhal_h" = "yes"
+    then
+        AC_CHECK_LIB(hal, libhal_ctx_new,
+          [AC_CHECK_LIB(dbus-1, dbus_connection_close,
             [AC_DEFINE(HAVE_LIBHAL, 1, [Define if you have the hal library])
              HALINCL="$ac_hal_cflags"],,$ac_hal_libs)])
+    fi
     CPPFLAGS="$ac_save_CPPFLAGS"
 fi