Public bug reported:

[Impact]
This will prevent bpf tests from running.

[Regression potential]
We might break check_abi, and would ship a library with a breaking ABI.

[Test case]
We verify check_abi is running fine after the change.

=========================
Warning: Num of global symbols in sharedobjs/libbpf-in.o (26) does NOT match 
with num of versioned symbols in libbpf.so (170). Please make sure all 
LIBBPF_API symbols are versioned in libbpf.map.
readelf: Error: 'libbpf-in.o': No such file
--- libbpf_global_syms.tmp      2019-12-03 17:02:41.012819261 +0000
+++ libbpf_versioned_syms.tmp   2019-12-03 17:02:41.024818794 +0000
@@ -0,0 +1,170 @@
+bpf_btf_get_fd_by_id
+bpf_btf_get_next_id
+bpf_create_map
+bpf_create_map_in_map
+bpf_create_map_in_map_node
+bpf_create_map_name
+bpf_create_map_node
+bpf_create_map_xattr
[...]

** Affects: linux (Ubuntu)
     Importance: Medium
     Assignee: Thadeu Lima de Souza Cascardo (cascardo)
         Status: In Progress

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1854974

Title:
  libbpf check_abi fails on ppc64el

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