File 2321-Makefile-Warn-for-missings-spec.patch of Package erlang

From 4efd9935a5618fa6622e33eadb3d6add49ab1089 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Thu, 15 Dec 2016 09:26:17 +0100
Subject: [PATCH 21/21] Makefile: Warn for missings spec

---
 lib/compiler/src/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/compiler/src/Makefile b/lib/compiler/src/Makefile
index c37f731d8..cf60355a4 100644
--- a/lib/compiler/src/Makefile
+++ b/lib/compiler/src/Makefile
@@ -126,7 +126,7 @@ ERL_COMPILE_FLAGS += +native
 endif
 ERL_COMPILE_FLAGS += +inline +warn_unused_import \
  -Werror \
- -I../../stdlib/include -I$(EGEN) -W
+ -I../../stdlib/include -I$(EGEN) -W +warn_missing_spec
 
 # ----------------------------------------------------
 # Targets
-- 
2.11.0