linux-kernel - Re: [PATCH] kbuild: Fail the build early when no lz4 present

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Message-ID: <201810120448.uX17jxBY%fengguang.wu@intel.com>
Date:   Fri, 12 Oct 2018 04:33:54 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     kbuild-all@...org, LKML <linux-kernel@...r.kernel.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] kbuild: Fail the build early when no lz4 present

Hi Borislav,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.19-rc7 next-20181011]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Borislav-Petkov/kbuild-Fail-the-build-early-when-no-lz4-present/20181012-013752
config: i386-randconfig-b0-10112221 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> Makefile:793: *** "lz4 tool not found on this system but CONFIG_KERNEL_LZ4 enabled".  Stop.
   make: *** [sub-make] Error 2

vim +793 Makefile

   790	
   791	ifdef CONFIG_KERNEL_LZ4
   792	ifeq ($(CONFIG_SHELL which lz4c),)
 > 793	$(error "lz4 tool not found on this system but CONFIG_KERNEL_LZ4 enabled")
   794	endif
   795	endif
   796	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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