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    Subject[PATCH 12/77] perf bpf: Give precedence to bpf header dir
    Date
    From: Arnaldo Carvalho de Melo <acme@redhat.com>

    I need to check the need for $KERNEL_INC_OPTIONS when building eBPF
    restricted C programs, for now just give precedence to
    $PERF_BPF_INC_OPTIONS so that we can get a linux/socket.h usable
    in eBPF programs.

    Cc: Adrian Hunter <adrian.hunter@intel.com>
    Cc: David Ahern <dsahern@gmail.com>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Wang Nan <wangnan0@huawei.com>
    Link: https://lkml.kernel.org/n/tip-5z7qw529sdebrn9y1xxqw9hf@git.kernel.org
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/util/llvm-utils.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
    index 19262f98cd4e..5b0b60f00275 100644
    --- a/tools/perf/util/llvm-utils.c
    +++ b/tools/perf/util/llvm-utils.c
    @@ -19,7 +19,7 @@
    #define CLANG_BPF_CMD_DEFAULT_TEMPLATE \
    "$CLANG_EXEC -D__KERNEL__ -D__NR_CPUS__=$NR_CPUS "\
    "-DLINUX_VERSION_CODE=$LINUX_VERSION_CODE " \
    - "$CLANG_OPTIONS $KERNEL_INC_OPTIONS $PERF_BPF_INC_OPTIONS " \
    + "$CLANG_OPTIONS $PERF_BPF_INC_OPTIONS $KERNEL_INC_OPTIONS " \
    "-Wno-unused-value -Wno-pointer-sign " \
    "-working-directory $WORKING_DIR " \
    "-c \"$CLANG_SOURCE\" -target bpf $CLANG_EMIT_LLVM -O2 -o - $LLVM_OPTIONS_PIPE"
    --
    2.14.4
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