Add ENABLE_ASAN option to enable ASAN builds

CMakeLists.txt

@@ -14,6 +14,7 @@ option(ENABLE_COVERAGE "Enable coverage reporting for gcc/clang" OFF)
 option(ENABLE_MATPLOTLIB "Enable matplotlib library in experiments" OFF)
 option(ENABLE_NAUTY "Enable the Nauty library for percy" OFF)
 option(ENABLE_ABC "Enable linking ABC as a static library" OFF)
+option(ENABLE_ASAN, "Enable ASAN sanitizer" OFF)
 
 if(UNIX)
   # show quite some warnings (but remove some intentionally)
@@ -28,6 +29,10 @@ if(UNIX)
   if (ENABLE_COVERAGE)
     add_compile_options(-O0 -g --coverage -fprofile-arcs -ftest-coverage)
   endif()
+  if (ENABLE_ASAN)
+    add_compile_options(-fsanitize=address -fno-omit-frame-pointer -DADDRESS_SANITIZER)
+    add_link_options(-fsanitize=address)
+  endif()
 endif()
 if(MSVC)
   add_compile_options(/EHsc /bigobj)