touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h"
# Copy .config to include/config/auto.conf so "make prepare" is unnecessary.
- cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
+ if [ ! -f "${LINUX_HDROBJ_DIR}/include/config/auto.conf" ]; then
+ cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf"
+ fi
# Finally clean the object files from the full source tree
make clean