cmake: add 'ASan' build type

CMakeLists.txt

@@ -9,6 +9,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -Wall -Wextra -W -Wdeclaration-after-statement")
   set(CMAKE_C_FLAGS_DEBUG "-g3 -O0")
   set(CMAKE_C_FLAGS_COVERAGE "-g3 -O0 --coverage")
+  set(CMAKE_C_FLAGS_ASAN "-fsanitize=address -fno-omit-frame-pointer -g3 -O1")
   set(CMAKE_C_FLAGS_CHECK "${CMAKE_C_FLAGS} -Werror -Wlogical-op -Wwrite-strings")
   set(CMAKE_C_FLAGS_CHECKFULL "${CMAKE_C_FLAGS_CHECK} -Wcast-qual")
 endif(CMAKE_COMPILER_IS_GNUCC)
@@ -17,11 +18,12 @@ if(CMAKE_COMPILER_IS_CLANG)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -Wall -Wextra -W -Wdeclaration-after-statement")
   set(CMAKE_C_FLAGS_DEBUG "-g3 -O0")
   set(CMAKE_C_FLAGS_COVERAGE "-g3 -O0 --coverage")
+  set(CMAKE_C_FLAGS_ASAN "-fsanitize=address -fno-omit-frame-pointer -g3 -O1")
   set(CMAKE_C_FLAGS_CHECK "${CMAKE_C_FLAGS} -Werror -Wpointer-arith -Wwrite-strings -Wdocumentation")
 endif(CMAKE_COMPILER_IS_CLANG)
 
 set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE}
-    CACHE STRING "Choose the type of build: None Debug Release Coverage Check CheckFull"
+    CACHE STRING "Choose the type of build: None Debug Release Coverage ASan Check CheckFull"
     FORCE)
 
 if(CMAKE_BUILD_TYPE STREQUAL "Coverage")