编译时出现类似的情况：把Warning当做Error，当没有加-Werror选项
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| CC [M] /home/kk/udp_probe/udp_probe.o
/home/kk/udp_probe/udp_probe.c: In function 'kp_init':
/home/kk/udp_probe/udp_probe.c:36:18: warning: assignment makes pointer from integer without a cast [enabled by default]
error, forbidden warning: udp_probe.c:36
make[2]: *** [/home/kk/udp_probe/udp_probe.o] 错误 1
make[1]: *** [_module_/home/kk/udp_probe] 错误 2
make[1]:正在离开目录 `/media/000617990000DB90/403a/source/kernel'
make: *** [all] 错误 2
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修改 scripts/gcc-wrapper.py 去掉 interpret_warning 函数中的如下部分
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| # If there is a warning, remove any object if it exists.
if ofile:
try:
os.remove(ofile)
except OSError:
pass
sys.exit(1)
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若直接加 -w gcc选项，则会直接不显示Warning
