[FTBFS] 4.18-rc7 bitsperlong.h issue on alpha

From: Bob Tracy
Date: Mon Jul 30 2018 - 19:30:53 EST


On an alpha system, got the following build error on the 4.18-rc7
mainline kernel source tree:

HOSTCC net/bpfilter/main.o
In file included from tools/include/uapi/asm/bitsperlong.h:17,
from /usr/include/asm-generic/int-ll64.h:12,
from /usr/include/alpha-linux-gnu/asm/types.h:24,
from tools/include/linux/types.h:10,
from ./include/uapi/linux/bpf.h:11,
from net/bpfilter/main.c:9:
tools/include/asm-generic/bitsperlong.h:14:2: error: #error Inconsistent word size. Check asm/bitsperlong.h
#error Inconsistent word size. Check asm/bitsperlong.h
^~~~~
scripts/Makefile.host:107: recipe for target 'net/bpfilter/main.o' failed
make[2]: *** [net/bpfilter/main.o] Error 1
scripts/Makefile.build:558: recipe for target 'net/bpfilter' failed
make[1]: *** [net/bpfilter] Error 2
Makefile:1029: recipe for target 'net' failed
make: *** [net] Error 2

Encountering this kind of error is not unusual on alpha.

--Bob
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