On Mon, Oct 25, 2021 at 12:55:34PM +1100, Stephen Rothwell wrote: > Hi all, > > On Mon, 18 Oct 2021 19:30:48 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > Hi all, > > > > After merging the kspp-gustavo tree, today's linux-next build (sparc64 > > defconfig) failed like this: > > > > sparc64-linux-gcc: error: unrecognized command line option '-Wcast-function-type'; did you mean '-Wbad-function-cast'? > > > > $ sparc64-linux-gcc --version > > sparc64-linux-gcc (Custom f51944395b6aa154) 7.3.1 20180130 > > > > Caused by commit > > > > 21078041965e ("Makefile: Enable -Wcast-function-type") > > > > I have reverted that commit for today. > > I am still reverting that commit ... Gustavo, can you please switch this to using cc-option? -- Kees Cook