From 10ffd2d2ee7bb22a59f1ff8a0a35c63e2696bc6b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-S=C3=A9bastien=20P=C3=A9dron?=
 <jean-sebastien@rabbitmq.com>
Date: Thu, 20 Oct 2016 16:33:22 +0200
Subject: Support PROJECT_APP_EXTRA_KEYS to add keys to the .app file

This allows to add standard keys which do not have a corresponding
`PROJECT_` Makefile variable, as well as non-standard keys.
---
 doc/src/guide/app.asciidoc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'doc/src/guide/app.asciidoc')

diff --git a/doc/src/guide/app.asciidoc b/doc/src/guide/app.asciidoc
index ca0a993..229ce97 100644
--- a/doc/src/guide/app.asciidoc
+++ b/doc/src/guide/app.asciidoc
@@ -132,6 +132,11 @@ your situation.
 	List of the names of all registered processes.
 `PROJECT_ENV`::
 	Configuration parameters used by the application.
+`PROJECT_APP_EXTRA_KEYS`::
+	Other keys you want to add to the application `.app` file.
+	The variable content is written as-is to the `.app` file,
+	so be sure to format valid Erlang terms. For example:
+	`PROJECT_APP_EXTRA_KEYS = {maxT, 10000}, {start_phases, [...]}`.
 `LOCAL_DEPS`::
 	List of Erlang/OTP applications this project depends on,
 	excluding `erts`, `kernel` and `stdlib`, or list of
-- 
cgit v1.2.3

