From 96cd9ac26367829ce2dead523f87ddec0114368f Mon Sep 17 00:00:00 2001
From: "Stuart D. Gathman" <stuart@gathman.org>
Date: Tue, 9 Jan 2018 21:52:39 -0500
Subject: [PATCH] Request compile error on implicit function declarations to
 save lots of debugging time.

---
 setup.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 1f9f3d8..aa8103f 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,9 @@ sending DSNs or doing CBVs.
             library_dirs=libdirs,
 	    libraries=libs,
 	    # set MAX_ML_REPLY to 1 for sendmail < 8.13
-	    define_macros = [ ('MAX_ML_REPLY',32) ]
+	    define_macros = [ ('MAX_ML_REPLY',32) ],
+            # save lots of debugging time testing rfc2553 compliance
+            extra_compile_args = [ "-Werror=implicit-function-declaration" ]
 	  ),
 	],
 	keywords = ['sendmail','milter'],
-- 
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