allowing sanitizers to run (#12)

* allowing sanitizers to run

* Update CMakeLists.txt

Author: lemire

CMakeLists.txt

@@ -19,10 +19,15 @@ else()
      message(STATUS "native target not supported")
 endif()
 
-if (NOT CMAKE_BUILD_TYPE)
+if (NOT CMAKE_BUILD_TYPE AND NOT SANITIZE)
   message(STATUS "No build type selected, default to Release")
   set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
 endif()
+if(SANITIZE)
+  add_compile_options(-fsanitize=address  -fno-omit-frame-pointer -fno-sanitize-recover=all)
+  add_compile_definitions(ASAN_OPTIONS=detect_leaks=1)
+  link_libraries(-fsanitize=address  -fno-omit-frame-pointer -fno-sanitize-recover=all)
+endif()
 include(cmake/CPM.cmake)
 
 add_subdirectory(dependencies)