compatibility defs for C11/C++11 alignof, alignas
compatibility defs for C11/C++11 alignof, alignas

compatibility defs for C11/C++11 alignof, alignas, _Alignof, _Alignas
for compilations not targetting C11 or C++11 standard level

gstrauss/mcdb,gstrauss/mcdb,gstrauss/mcdb,gstrauss/mcdb,gstrauss/mcdb