if test ! -e "$KBUILD"/include/linux/version.h || \ (test ! -e "$KBUILD"/include/linux/autoconf.h && \ test ! -e "$KBUILD"/include/generated/autoconf.h); then AC_MSG_ERROR([Linux kernel source in $KBUILD is not configured]) fi
if test ! -e "$KBUILD" /include/ linux/version. h || \ /include/ linux/autoconf. h && \ /include/ generated/ autoconf. h); then MSG_ERROR( [Linux kernel source in $KBUILD is not configured])
(test ! -e "$KBUILD"
test ! -e "$KBUILD"
AC_
fi