gentoo-overlay/mail-mta/opensmtpd/files/opensmtpd-6.0.2_p1-autoconf.patch

From 9370e962bfa1032ab16c48c79977536eae665d75 Mon Sep 17 00:00:00 2001
From: Freddy DISSAUX <dsx@pouet.bsdsx.fr>
Date: Sat, 17 Sep 2016 08:50:14 +0200
Subject: [PATCH] Fix expression, as explain in

https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/html_node/Generic-Declarations.html#Generic-Declarations

"Unlike the other `AC_CHECK_*S' macros, when a symbol is not
declared, HAVE_DECL_symbol is defined to `0' instead of
leaving HAVE_DECL_symbol undeclared."
---
 openbsd-compat/defines.h        | 2 +-
 openbsd-compat/openbsd-compat.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/openbsd-compat/defines.h b/openbsd-compat/defines.h
index 0a94d76..bda39e9 100644
--- a/openbsd-compat/defines.h
+++ b/openbsd-compat/defines.h
@@ -85,7 +85,7 @@
 # define STDERR_FILENO   2
 #endif
 
-#if defined(HAVE_DECL_O_NONBLOCK) && HAVE_DECL_O_NONBLOCK == 0
+#if !HAVE_DECL_O_NONBLOCK
 # define O_NONBLOCK      00004	/* Non Blocking Open */
 #endif
 
diff --git a/openbsd-compat/openbsd-compat.h b/openbsd-compat/openbsd-compat.h
index fd931d0..1ef2925 100644
--- a/openbsd-compat/openbsd-compat.h
+++ b/openbsd-compat/openbsd-compat.h
@@ -212,11 +212,11 @@ void errc(int, int, const char *, ...);
 #define pledge(promises, paths) 0
 #endif
 
-#ifndef HAVE_DECL_AF_LOCAL
+#if !HAVE_DECL_AF_LOCAL
 #define AF_LOCAL AF_UNIX
 #endif
 
-#ifndef HAVE_DECL_WAIT_MYPGRP
+#if !HAVE_DECL_WAIT_MYPGRP
 #define WAIT_MYPGRP 0
 #endif