From fb1c22169c96b51f331c0e7885cdbd0806585da2 Mon Sep 17 00:00:00 2001
From: Magnus Henoch <magnus@erlang-solutions.com>
Date: Mon, 26 Oct 2015 15:55:49 +0000
Subject: Make erl -make return non-zero exit code on failure

This makes it behave like similar Unix tools.
---
 lib/tools/src/make.erl | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'lib/tools')

diff --git a/lib/tools/src/make.erl b/lib/tools/src/make.erl
index c8ef0a04a5..59d02ed648 100644
--- a/lib/tools/src/make.erl
+++ b/lib/tools/src/make.erl
@@ -24,12 +24,20 @@
 %% If Emakefile is missing the current directory is used.
 -module(make).
 
--export([all/0,all/1,files/1,files/2]).
+-export([all_or_nothing/0,all/0,all/1,files/1,files/2]).
 
 -include_lib("kernel/include/file.hrl").
 
 -define(MakeOpts,[noexec,load,netload,noload]).
 
+all_or_nothing() ->
+    case all() of
+        up_to_date ->
+            up_to_date;
+        error ->
+            halt(1)
+    end.
+
 all() ->
     all([]).
 
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