> On Jul 24, 2019, at 5:49 PM, David Howells <dhowells@xxxxxxxxxx> wrote: > > Qian Cai <cai@xxxxxx> wrote: > >> I have GCC 8.2.1 which works fine. > > But you need to check the minimum version, i.e. 4.6: > > #if GCC_VERSION < 40600 > I did check gcc version 4.1.2 20080704 and it works fine.