On Mon, Sep 28, 2015 at 03:50:16PM +0200, Geert Uytterhoeven wrote: > Hi Russell, > > On Mon, Sep 28, 2015 at 11:48 AM, Russell King - ARM Linux > <linux@xxxxxxxxxxxxxxxx> wrote: > > Also, a great many of the failures are due to the build toolchain not > > supporting -fstack-protector-strong. I think it's absolutely right > > for the build to error out if you enable a kernel feature which requires > > toolchain support, but the toolchain does not support that feature. > > > > What this means is that the build results from kissb are less than > > useful - without spending ages looking at every single build, it's > > hard to find the real failures we care about. > > > > I'd suggest that either the randconfig is seeded to ensure that > > CONFIG_CC_STACKPROTECTOR_STRONG is always disabled in ARM randconfigs, > > or that the ARM toolchain is updated to support this feature. > > Or that it's impossible to enable this feature if your toolchain doesn't > support it? I think that would require kconfig to call out to the compiler to run a test build. This kind of thing has been talked about in the past but the feature never seems to appear - probably because it would end up increasing the kconfig startup time in every case. -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html