From 5ebecc04182c3b595f8cd11fdf3e50dd6a9d8a11 Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Mon, 4 Jun 2012 10:29:42 +0200
Subject: [PATCH] Makefile: Warn for unused macros only on Linux.

We need these macros at several places, but each of them causes
a compilier warning on FreeBSD and NetBSD where these macros are
not used at all.

This patch moves the -Wunused-macros option to the Linux-only
section.
---
 Makefile.in | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile.in b/Makefile.in
index 5760cad4..30a5c015 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -45,6 +45,8 @@ ifeq ($(uname_s),Linux)
 	LDFLAGS += -Wl,--gc-sections
 	CPPFLAGS += -Wstrict-prototypes
 	CPPFLAGS += -Wshadow
+	# causes warnings on *BSD for the feature test macros
+	CPPFLAGS += -Wunused-macros
 endif
 CPPFLAGS += -Os
 CPPFLAGS += -Wuninitialized
@@ -56,7 +58,6 @@ CPPFLAGS += -DCODENAME='"$(codename)"'
 CPPFLAGS += -DCC_VERSION='"$(cc_version)"'
 CPPFLAGS += -Werror-implicit-function-declaration
 CPPFLAGS += -Wmissing-noreturn
-CPPFLAGS += -Wunused-macros
 CPPFLAGS += -Wbad-function-cast
 CPPFLAGS += -fno-strict-aliasing
 CPPFLAGS += -DMAIN_INPUT_FILE_IS_$(*F)
-- 
2.39.2