On Thu, May 16, 2019 at 4:05 PM David Holmes <david.hol...@oracle.com> wrote:
> On 17/05/2019 8:57 am, Martin Buchholz wrote: > > Maybe you just need to ask gcc to use a more modern -std=... > > It might reasonably be defaulting to gnu89 > > > https://stackoverflow.com/questions/14737104/what-is-the-default-c-mode-for-the-current-gcc-especially-on-ubuntu > > Yes, but I thought we'd already done this dance. Solaris was setting a > flag to use C89 IIRC and we removed it. > A flag to use C89 is obviously bad if you're using features from a later standard. I was suggesting that you could pass gcc -std=gnu99 or -std= c99 (I would go whole hog to C11) $ gcc -v --help |& grep std=.*' C ' -std=c11 Conform to the ISO 2011 C standard -std=c89 Conform to the ISO 1990 C standard -std=c90 Conform to the ISO 1990 C standard -std=c99 Conform to the ISO 1999 C standard -std=gnu11 Conform to the ISO 2011 C standard with GNU -std=gnu89 Conform to the ISO 1990 C standard with GNU -std=gnu90 Conform to the ISO 1990 C standard with GNU -std=gnu99 Conform to the ISO 1999 C standard with GNU -std=iso9899:1990 Conform to the ISO 1990 C standard -std=iso9899:199409 Conform to the ISO 1990 C standard as amended in -std=iso9899:1999 Conform to the ISO 1999 C standard -std=iso9899:2011 Conform to the ISO 2011 C standard