$ make clean && make allnoconfig && make
HOSTCC scripts/basic/fixdep
HOSTCC scripts/kconfig/conf.o
HOSTCC scripts/kconfig/zconf.tab.o
HOSTLD scripts/kconfig/conf
scripts/kconfig/conf --allnoconfig Kconfig
#
# configuration written to .config
#
Makefile:932: *** "Cannot generate ORC metadata for
CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or
elfutils-libelf-devel". Stop.
$ grep CONFIG_UNWINDER .config
CONFIG_UNWINDER_FRAME_POINTER=y
# CONFIG_UNWINDER_GUESS is not set
$
Still an unnecessary dependency that breaks the build even when it's
configged out.
Rob