make[2]: *** No rule to make target 'arch/sh/boot/dts/.dtb.S', needed by 'arch/sh/boot/dts/.dtb.o'.

[kbuild test robot]

Hi Rob,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   94f371cb73944b410a269d570d6946c042f2ddd0
commit: 37c8a5fafa3bb7dcdd51774be353be6cb2912b86 kbuild: consolidate Devicetree dtb build rules
date:   8 weeks ago
config: sh-j2_defconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 37c8a5fafa3bb7dcdd51774be353be6cb2912b86
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=sh 

All errors (new ones prefixed by >>):

>> make[2]: *** No rule to make target 'arch/sh/boot/dts/.dtb.S', needed by 'arch/sh/boot/dts/.dtb.o'.
   make[2]: Target '__build' not remade because of errors.

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