GCC produces slightly different .o files on two consecutive runs in certain conditions

[Jonathan Wakely]

On Mon, 28 Jan 2019 at 23:24, Shlomi Fish <shlomif@gmail.com> wrote:
>
> Hi all!
>
> I am trying to do a https://reproducible-builds.org/ setup in my C / gnu11
> / cmake based FOSS project so I can cache valgrind results. The project is
> https://fc-solve.shlomifish.org/ and it has a git repo at
> https://github.com/shlomif/fc-solve .

It's not clear from your mail if you're using some or all of GCC's
options that are relevant, -Wdate-time and -frandom-seed, and the env
var SOURCE_DATE_EPOCH.