编译XNU的时候出现 zero as null pointer constant

技能讨论
1

需求:
编译XNU的时候出现 zero as null pointer constant, 怎么传递-Werror,-Wzero-as-null-pointer-constant给make?

**日志:

xnu-4570.20.62/BUILD/obj/EXPORT_HDRS/libkern/libkern/OSAtomic.h:170:12: error: zero as
      null pointer constant [-Werror,-Wzero-as-null-pointer-constant]
    return OSAddAtomicLong(-1L, address);

操作步骤:
make SDKROOT=macosx ARCH_CONFIGS=X86_64 KERNEL_CONFIGS=“RELEASE”

** 环境:
macos/10.13.4 (17E199)
Xcode 9.4.1