From 254feb0acd0d8db95fbb2e435c0a1086ebf8cd35 Mon Sep 17 00:00:00 2001
From: iphydf <iphydf@users.noreply.github.com>
Date: Fri, 26 Aug 2016 15:43:29 +0100
Subject: Add address sanitizer option to cmake file.

---
 CMakeLists.txt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 52c8b10f..7e560198 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,6 +26,18 @@ if(ASSOC_DHT)
   add_definitions(-DENABLE_ASSOC_DHT=1)
 endif()
 
+option(ASAN "Enable address-sanitizer to detect invalid memory accesses" OFF)
+if(ASAN)
+  include(CheckCCompilerFlag)
+  set(SAFE_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
+  set(CMAKE_REQUIRED_LIBRARIES "-fsanitize=address")
+  check_c_compiler_flag("-fsanitize=address" HAVE_ASAN)
+  if(HAVE_ASAN)
+    set(CMAKE_C_FLAGS "-fsanitize=address")
+  endif()
+  set(CMAKE_REQUIRED_LIBRARIES "${SAFE_CMAKE_REQUIRED_LIBRARIES}")
+endif()
+
 find_package(PkgConfig REQUIRED)
 find_package(Threads   REQUIRED)
 
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