MDEV-10412 fix WITH_ASAN option for 10.1

CMakeLists.txt

@@ -187,12 +187,16 @@ IF (WITH_ASAN)
   # gcc 4.8.1 and new versions of clang
   MY_CHECK_AND_SET_COMPILER_FLAG("-fsanitize=address -O1 -Wno-error -fPIC"
     DEBUG RELWITHDEBINFO)
+  SET(HAVE_C_FSANITIZE ${HAVE_C__fsanitize_address__O1__Wno_error__fPIC})
+  SET(HAVE_CXX_FSANITIZE ${HAVE_CXX__fsanitize_address__O1__Wno_error__fPIC})
   IF(HAVE_C_FSANITIZE AND HAVE_CXX_FSANITIZE)
     SET(WITH_ASAN_OK 1)
   ELSE()
     # older versions of clang
     MY_CHECK_AND_SET_COMPILER_FLAG("-faddress-sanitizer -O1 -fPIC"
       DEBUG RELWITHDEBINFO)
+    SET(HAVE_C_FADDRESS ${HAVE_C__faddress_sanitizer__O1__fPIC})
+    SET(HAVE_CXX_FADDRESS ${HAVE_CXX__faddress_sanitizer__O1__fPIC})
     IF(HAVE_C_FADDRESS AND HAVE_CXX_FADDRESS)
       SET(WITH_ASAN_OK 1)
     ENDIF()