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    samples/bpf: add -Wno-unknown-warning-option to clang · 69b6a7f7
    Alexander Alemayhu 提交于
    I was initially going to remove '-Wno-address-of-packed-member' because I
    thought it was not supposed to be there but Daniel suggested using
    '-Wno-unknown-warning-option'.
    
    This silences several warnings similiar to the one below
    
    warning: unknown warning option '-Wno-address-of-packed-member' [-Wunknown-warning-option]
    1 warning generated.
    clang  -nostdinc -isystem /usr/lib/gcc/x86_64-redhat-linux/6.3.1/include -I./arch/x86/include -I./arch/x86/include/generated/uapi -I./arch/x86/include/generated  -I./include
     -I./arch/x86/include/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h  \
            -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \
            -Wno-compare-distinct-pointer-types \
            -Wno-gnu-variable-sized-type-not-at-end \
            -Wno-address-of-packed-member -Wno-tautological-compare \
            -O2 -emit-llvm -c samples/bpf/xdp_tx_iptunnel_kern.c -o -| llc -march=bpf -filetype=obj -o samples/bpf/xdp_tx_iptunnel_kern.o
    
    $ clang --version
    
     clang version 3.9.1 (tags/RELEASE_391/final)
     Target: x86_64-unknown-linux-gnu
     Thread model: posix
     InstalledDir: /usr/bin
    Signed-off-by: NAlexander Alemayhu <alexander@alemayhu.com>
    Acked-by: NDaniel Borkmann <daniel@iogearbox.net>
    Signed-off-by: NDavid S. Miller <davem@davemloft.net>
    69b6a7f7
Makefile 6.8 KB