linux-kernel - Re: [PATCH 11/11] HID: multitouch: add haptic multitouch support

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Message-ID: <CAMCVhVNYePCuCw_SSTxwAdcastPP_azik44kG18o0_QK37OiZA@mail.gmail.com>
Date: Thu, 17 Jul 2025 13:43:28 -0500
From: Jonathan Denose <jdenose@...gle.com>
To: kernel test robot <lkp@...el.com>
Cc: Jiri Kosina <jikos@...nel.org>, Benjamin Tissoires <bentiss@...nel.org>, 
	Dmitry Torokhov <dmitry.torokhov@...il.com>, Jonathan Corbet <corbet@....net>, 
	Henrik Rydberg <rydberg@...math.org>, oe-kbuild-all@...ts.linux.dev, 
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-doc@...r.kernel.org, Angela Czubak <aczubak@...gle.com>, 
	"Sean O'Brien" <seobrien@...gle.com>
Subject: Re: [PATCH 11/11] HID: multitouch: add haptic multitouch support

On Tue, Jul 15, 2025 at 6:36 AM kernel test robot <lkp@...el.com> wrote:
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on 86731a2a651e58953fc949573895f2fa6d456841]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Jonathan-Denose/HID-add-haptics-page-defines/20250714-231444
> base:   86731a2a651e58953fc949573895f2fa6d456841
> patch link:    https://lore.kernel.org/r/20250714-support-forcepads-v1-11-71c7c05748c9%40google.com
> patch subject: [PATCH 11/11] HID: multitouch: add haptic multitouch support
> config: hexagon-randconfig-r112-20250715 (https://download.01.org/0day-ci/archive/20250715/202507151942.94dhYylY-lkp@intel.com/config)
> compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
> reproduce: (https://download.01.org/0day-ci/archive/20250715/202507151942.94dhYylY-lkp@intel.com/reproduce)

I'm having trouble reproducing this build error. I tried following the
steps in the linked reproduce file, but when running:
COMPILER_INSTALL_PATH=$HOME/0day ~/lkp-tests/kbuild/make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited
-fmax-warnings=unlimited' O=build_dir ARCH=hexagon olddefconfig

I get the errors:
0day/gcc-4.6.1-nolibc/hexagon-linux/bin/hexagon-linux-gcc: unknown C compiler
scripts/Kconfig.include:45: Sorry, this C compiler is not supported.

It looks to me like the hexagon-linux-gcc compiler is correctly
installed at $HOME/0day so I'm not sure what to do from here. Can
someone please assist me with this?

--
Jonathan