錯誤訊息
CC [M] drivers/net/virtio_net.o
LD drivers/net/built-in.o
LD drivers/built-in.o
GEN .version
CHK include/linux/compile.h
UPD include/linux/compile.h
CC init/version.o
LD init/built-in.o
LD .tmp_vmlinux1
kernel/built-in.o: In function `getnstimeofday': (.text+0x248cb): undefined reference to `__umoddi3'
kernel/built-in.o: In function `getnstimeofday': (.text+0x248ee): undefined reference to `__udivdi3'
kernel/built-in.o: In function `do_gettimeofday': (.text+0x24a10): undefined reference to `__udivdi3'
kernel/built-in.o: In function `do_gettimeofday': (.text+0x24a2e): undefined reference to `__umoddi3'
kernel/built-in.o: In function `timekeeping_resume': timekeeping.c:(.text+0x24c46): undefined reference to `__umoddi3' timekeeping.c:(.text+0x24c66): undefined reference to `__udivdi3'
kernel/built-in.o: In function `update_wall_time': (.text+0x250aa): undefined reference to `__umoddi3'
kernel/built-in.o: In function `update_wall_time': (.text+0x250ca): undefined reference to `__udivdi3' kernel/built-in.o: In function `update_wall_time': (.text+0x25546): undefined reference to `__umoddi3'
kernel/built-in.o: In function `update_wall_time': (.text+0x25566): undefined reference to `__udivdi3' make: *** [.tmp_vmlinux1] Error 1
解決辦法
編輯/usr/src/linux/Makefile
依照kernel版本不同修改設定
CFLAGS_KERNEL = -fno-tree-scev-cprop
或
KBULID_CFLAGS = -fno-tree-scev-cprop
