From 5c52c00ea4ad8afaebd5259bc53215a1ab41569f Mon Sep 17 00:00:00 2001
From: emanuele-f <faranda@ntop.org>
Date: Thu, 13 Feb 2020 18:20:23 +0100
Subject: Add the --with-llvm-sanitizer flag

To enable the leaks detector, set the ASAN_OPTIONS=detect_leaks=1
environment variable, e.g:

	ASAN_OPTIONS=detect_leaks=1 example/ndpiReader -i test.pcap
---
 configure.seed      | 9 +++++++++
 src/lib/Makefile.in | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/configure.seed b/configure.seed
index 092b9c022..23ef8490b 100644
--- a/configure.seed
+++ b/configure.seed
@@ -4,6 +4,15 @@ AC_CONFIG_MACRO_DIR([m4])
 
 AM_INIT_AUTOMAKE([foreign subdir-objects])
 
+AC_ARG_WITH(llvm_sanitizer,     [  --with-llvm-sanitizer   Build with support for the LLVM address sanitizer])
+
+AS_IF([test "${with_llvm_sanitizer+set}" = set],[
+     CFLAGS="${CFLAGS} -Wno-unused-value -fsanitize=address -fno-omit-frame-pointer"
+     LDFLAGS="${LDFLAGS} -fsanitize=address"
+     CC=clang
+     CXX=clang++
+])
+
 LT_INIT
 
 AC_PROG_CC
diff --git a/src/lib/Makefile.in b/src/lib/Makefile.in
index 6be9d78e9..f69c81946 100644
--- a/src/lib/Makefile.in
+++ b/src/lib/Makefile.in
@@ -14,7 +14,7 @@ prefix     = @prefix@
 libdir     = ${prefix}/lib
 includedir = ${prefix}/include/ndpi
 CC         = @CC@
-CFLAGS     += -fPIC -DPIC -I../include -Ithird_party/include -DNDPI_LIB_COMPILATION -O2 -g -Wall @CUSTOM_NDPI@
+CFLAGS     += -fPIC -DPIC -I../include -Ithird_party/include -DNDPI_LIB_COMPILATION -Wall @CFLAGS@ @CUSTOM_NDPI@
 LDFLAGS    = @LDFLAGS@
 RANLIB     = ranlib
 
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