But I seems to have problems on first file compiled when using gcc v6:
In file included from ../src/acpi.cpp:28:0: ../include/acpi_rsdt.hpp:45:26: error: flexible array member in union uint32 rsdt[]; ^ ../include/acpi_rsdt.hpp:46:26: error: flexible array member in union uint64 xsdt[];
This was freshly downloaded zip file from HEAD ( https://github.com/udosteinberg/NOVA ).
Reading "I.e., flexible array members may be defined only in structures, not in unions." In C (don't know about C++). They seems to suggest it should be replaced by zero-sized array (was not aware of that before).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53548 https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html