On Fri, Nov 19, 2021 at 3:47 AM Bernhard Reutner-Fischer via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > On Fri, 28 Oct 2016 10:55:18 -0700 > Ian Lance Taylor <i...@golang.org> wrote: > > > This patch to libgo redirects the output of a grep command in > > mkrsysinfo.sh to /dev/null. The output otherwise appears in the > > grep -q exists since at least SUSv2, fwiw.
There has traditionally been confusion between grep -q and grep -s. Older grep programs supported -s but not -q. Perhaps that confusion is all cleared up now on all systems that GCC supports. I don't know. I do know that the patch I applied five years ago works everywhere. Ian
