From 114fbda5d4748eb1cbadb98c55217d55752bb2da Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Thu, 6 Sep 2018 14:49:41 +0200
Subject: osmocon: Add --enable-{werror,sanitize} configure flags

Change-Id: I6a69ca514406fa18684ca2621be45f87ee8d64a4
---
 src/host/osmocon/configure.ac | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/host/osmocon/configure.ac b/src/host/osmocon/configure.ac
index 41308003..a42f4874 100644
--- a/src/host/osmocon/configure.ac
+++ b/src/host/osmocon/configure.ac
@@ -21,5 +21,32 @@ AC_HEADER_STDC
 
 dnl Checks for typedefs, structures and compiler characteristics
 
+AC_ARG_ENABLE(sanitize,
+		[AS_HELP_STRING([--enable-sanitize], [Compile with address sanitizer enabled], )],
+		[sanitize=$enableval], [sanitize="no"])
+if test x"$sanitize" = x"yes"
+then
+	CFLAGS="$CFLAGS -fsanitize=address -fsanitize=undefined"
+	CPPFLAGS="$CPPFLAGS -fsanitize=address -fsanitize=undefined"
+fi
+
+AC_ARG_ENABLE(werror,
+	[AS_HELP_STRING(
+		[--enable-werror],
+		[Turn all compiler warnings into errors, with exceptions:
+		 a) deprecation (allow upstream to mark deprecation without breaking builds);
+		 b) "#warning" pragmas (allow to remind ourselves of errors without breaking builds)
+		]
+	)],
+	[werror=$enableval], [werror="no"])
+if test x"$werror" = x"yes"
+then
+	WERROR_FLAGS="-Werror"
+	WERROR_FLAGS+=" -Wno-error=deprecated -Wno-error=deprecated-declarations"
+	WERROR_FLAGS+=" -Wno-error=cpp" # "#warning"
+	CFLAGS="$CFLAGS $WERROR_FLAGS"
+	CPPFLAGS="$CPPFLAGS $WERROR_FLAGS"
+fi
+
 AC_OUTPUT(
     Makefile)
-- 
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