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C++11 compiler needs size for enum when building the userspace component using Bazel #8

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C++11 compiler needs size for enum when building the userspace component using Bazel #8

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5 changes: 5 additions & 0 deletions tools/lib/bpf/bpf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
#ifndef __LIBBPF_BPF_H
#define __LIBBPF_BPF_H

#include <linux/version.h>
#include <linux/bpf.h>
#include <stdbool.h>
#include <stddef.h>
Expand Down Expand Up @@ -241,7 +242,11 @@ LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf,
__u32 *buf_len, __u32 *prog_id, __u32 *fd_type,
__u64 *probe_offset, __u64 *probe_addr);

#if defined(__cplusplus) && __cplusplus >= 201103L && LINUX_VERSION_CODE < KERNEL_VERSION(5,8,0)
enum bpf_stats_type: int; /* C++ compilers need a size */
#else
enum bpf_stats_type; /* defined in up-to-date linux/bpf.h */
#endif
LIBBPF_API int bpf_enable_stats(enum bpf_stats_type type);

struct bpf_prog_bind_opts {
Expand Down