On 5/21/21 1:20 AM, kernel test robot wrote: > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head:   79a106fc6585979022012e65a1e45e3d2d28b77b > commit: 665d8d58761cba41147fe7e98e2ceed1cbf603a2 powerpc/akebono: Fix unmet dependency errors > date:   3 months ago > config: powerpc64-randconfig-r023-20210521 (attached as .config) > compiler: powerpc-linux-gcc (GCC) 9.3.0 > reproduce (this is a W=1 build): >          wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O > ~/bin/make.cross >          chmod +x ~/bin/make.cross >          # > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... > >          git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >          git fetch --no-tags linus master >          git checkout 665d8d58761cba41147fe7e98e2ceed1cbf603a2 >          # save the attached .config to linux build tree >          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp(a)intel.com&gt; > > All errors (new ones prefixed by >>): > >     powerpc-linux-ld: arch/powerpc/boot/wrapper.a(decompress.o): in function `partial_decompress': >>> decompress.c:(.text+0x1f0): undefined reference to `__decompress' > > --- Hi Christophe, Didn't you have a patch that adds boot support in Powerpc for LZMA and LZO?  What happened to that patch?