app_macro deprecation.

* Mark the module deprecated.
* Disable the module by default.
* Produce a warning the first time a macro is used.
* Note deprecation related options in app_dial and app_queue.

ASTERISK-27350

Change-Id: I560ea043bacdbc5534a17d97854273d52c2f1bdc

CHANGES

@@ -12,6 +12,12 @@
 --- Functionality changes from Asterisk 15 to Asterisk 16 --------------------
 ------------------------------------------------------------------------------
 
+app_macro
+------------------
+ * The app_macro module is now deprecated and by default it is no longer
+   built.  Users should migrate to app_stack (Gosub).  A warning is logged
+   the first time any Macro is used.
+
 chan_sip
 ------------------
  * New function SIP_HEADERS() enumerates all headers in the incoming INVITE.

UPGRADE.txt

@@ -26,6 +26,11 @@
 
 New in 16.0.0:
 
+app_macro:
+ - The app_macro module is now deprecated and by default it is no longer
+   built.  Users should migrate to app_stack (Gosub).  A warning is logged
+   the first time any Macro is used.
+
 New in 15.0.0:
 
 Build System:

apps/app_dial.c

@@ -324,6 +324,10 @@
 					<warning><para>Be aware of the limitations that macros have, specifically with regards to use of
 					the <literal>WaitExten</literal> application. For more information, see the documentation for
 					<literal>Macro()</literal>.</para></warning>
+					<note>
+						<para>Macros are deprecated, GoSub should be used instead,
+						see the <literal>U</literal> option.</para>
+					</note>
 				</option>
 				<option name="n">
 					<argument name="delete">

apps/app_macro.c

@@ -26,7 +26,8 @@
  */
 
 /*** MODULEINFO
-	<support_level>core</support_level>
+	<defaultenabled>no</defaultenabled>
+	<support_level>deprecated</support_level>
 	<replacement>app_stack (GoSub)</replacement>
  ***/
 
@@ -250,12 +251,19 @@ static int _macro_exec(struct ast_channel *chan, const char *data, int exclusive
 	char *save_macro_offset;
 	int save_in_subroutine;
 	struct ast_datastore *macro_store = ast_channel_datastore_find(chan, &macro_ds_info, NULL);
+	static int deprecation_notice = 0;
 
 	if (ast_strlen_zero(data)) {
 		ast_log(LOG_WARNING, "Macro() requires arguments. See \"core show application macro\" for help.\n");
 		return -1;
 	}
 
+	if (!deprecation_notice) {
+		deprecation_notice = 1;
+		ast_log(LOG_WARNING, "Macro() is deprecated and will be removed from a future version of Asterisk.\n");
+		ast_log(LOG_WARNING, "Dialplan should be updated to use Gosub instead.\n");
+	}
+
 	do {
 		if (macro_store) {
 			break;
@@ -665,4 +673,4 @@ static int load_module(void)
 	return res;
 }
 
-AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Extension Macros");
+AST_MODULE_INFO_STANDARD_DEPRECATED(ASTERISK_GPL_KEY, "Extension Macros");

apps/app_queue.c

@@ -235,6 +235,9 @@
 			</parameter>
 			<parameter name="macro">
 				<para>Will run a macro on the called party's channel (the queue member) once the parties are connected.</para>
+				<note>
+					<para>Macros are deprecated, GoSub should be used instead.</para>
+				</note>
 			</parameter>
 			<parameter name="gosub">
 				<para>Will run a gosub on the called party's channel (the queue member) once the parties are connected.</para>