Messages in this thread |  | | From | Thomas Gleixner <> | Subject | Re: [kbuild-all] Re: sparc64-linux-gcc: error: unrecognized command-line option '-mxsave' | Date | Fri, 06 Aug 2021 14:42:36 +0200 |
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On Wed, Aug 04 2021 at 17:04, Rong A. Chen wrote: > On 7/27/2021 10:52 PM, Dave Hansen wrote: >> On 7/26/21 8:11 PM, kernel test robot wrote: >>>>> sparc64-linux-gcc: error: unrecognized command-line option '-mxsave' >> >> Is there something else funky going on here? All of the "-mxsave" flags >> that I can find are under checks for x86 builds, like: >> >> ifeq ($(CAN_BUILD_I386),1) >> $(BINARIES_32): CFLAGS += -m32 -mxsave >> .. >> >> I'm confused how we could have a sparc64 compiler (and only a sparc64 >> compiler) that would end up with "-mxsave" in CFLAGS. > > Hi Dave, > > We can reproduce the error and have no idea too, but we have disabled > the test for selftests on non-x86 arch.
This smells like a host/target compiler mixup. Can you please make the kernel build verbose with 'V=1' and provide the full build output?
Thanks,
tglx
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