I've read all the threads and the excellent answer on stackoverflow. Thanks for your time Jonathan :) Remus On Fri, Jun 8, 2018 at 8:18 PM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > On 8 June 2018 at 13:17, Remus Clearwater wrote: > > For example: > > > > $ gcc -c --std=gnu90 a.c -o a.o > > $ gcc -c --std=gnu11 b.c -o b.o > > $ gcc -c --std=c99 c.c -o c.o > > $ ld -o bin /lib/crt0.o a.o b.o c.o -lc > > > > I think the answer should be 'true' but I couldn't find any specification > > about it yet. > > See the thread starting at https://gcc.gnu.org/ml/gcc- > help/2018-05/msg00034.html >