Add options for building with address and undefined behavior sanitizers

CMakeLists.txt

@@ -14,6 +14,8 @@ set(POPT_SOVERSION 0)
 
 # Configurable stuff
 option(ENABLE_WERROR "Stop build on warnings" OFF)
+option(ENABLE_ASAN "Enable address-sanitizer" OFF)
+option(ENABLE_UBSAN "Enable undefined behavior-sanitizer" OFF)
 
 # Set up GNU conventions and standard FHS paths
 include(GNUInstallDirs)
@@ -86,6 +88,20 @@ if (ENABLE_WERROR)
 	add_compile_options(-Werror)
 endif()
 
+# Sanitizers
+if (ENABLE_ASAN)
+	add_compile_options(-fsanitize=address)
+	add_link_options(-fsanitize=address)
+endif()
+if (ENABLE_UBSAN)
+        add_compile_options(-fsanitize=undefined)
+        add_link_options(-fsanitize=undefined)
+endif()
+if (ENABLE_ASAN OR ENABLE_UBSAN)
+        add_compile_options(-fno-omit-frame-pointer)
+endif()
+
+
 add_subdirectory(src)
 add_subdirectory(doc)
 if (EXISTS po/popt.pot)