From a2a17186c282d670a41da8cdf38ccf0fb1222a4e Mon Sep 17 00:00:00 2001
From: Viktor Tarasov <viktor.tarasov@gmail.com>
Date: Fri, 3 Jun 2016 11:06:14 +0200
Subject: [PATCH] autoconf: option to disable
 -Werror=declaration-after-statement

old GCCs (distributed with RedHat 5) do not understand this option
---
 configure.ac | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 80f51cb7..1ae54545 100644
--- a/configure.ac
+++ b/configure.ac
@@ -224,6 +224,13 @@ AC_ARG_ENABLE(
 	[enable_dnie_ui="no"]
 )
 
+AC_ARG_ENABLE(
+	[werror-declaration-after-statement],
+	[AS_HELP_STRING([--disable-werror-declaration-after-statement],[disable -Werror 'declaration-after-statement' @<:@enabled@:>@])],
+	,
+	[werror_declaration_after_statement="yes"]
+)
+
 AC_ARG_WITH(
 	[xsl-stylesheetsdir],
 	[AS_HELP_STRING([--with-xsl-stylesheetsdir=PATH],[docbook xsl-stylesheets for svn build @<:@detect@:>@])],
@@ -244,6 +251,7 @@ AC_ARG_WITH(
 	,
 	[with_pkcs11_provider="detect"]
 )
+
 dnl ./configure check
 reader_count=""
 for rdriver in "${enable_pcsc}" "${enable_openct}" "${enable_ctapi}"; do
@@ -775,7 +783,9 @@ if test "$GCC" = "yes"; then
 	CFLAGS="-fno-strict-aliasing ${CFLAGS}"
 fi
 
-CFLAGS="${CFLAGS} -Werror=declaration-after-statement"
+if test "${werror_declaration_after_statement}" = "yes"; then
+	CFLAGS="${CFLAGS} -Werror=declaration-after-statement"
+fi
 
 AC_CONFIG_FILES([
 	Makefile