reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/joel.granados/linux.git/commit/?id=4531cacd0cd2a8f46181e4aa6f8fa4964ee4953b
        git remote add joel-granados https://git.kernel.org/pub/scm/linux/kernel/git/joel.granados/linux.git
        git fetch --no-tags joel-granados jag/no-macro-conv
        git checkout 4531cacd0cd2a8f46181e4aa6f8fa4964ee4953b

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash