[lldb-dev] [Bug 51917] New: Can't build LLDB 13 with older linux kernel

via lldb-dev lldb-dev at lists.llvm.org
Mon Sep 20 12:30:44 PDT 2021


            Bug ID: 51917
           Summary: Can't build LLDB 13 with older linux kernel
           Product: lldb
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at lists.llvm.org
          Reporter: caleb.zulawski at gmail.com
                CC: jdevlieghere at apple.com, llvm-bugs at lists.llvm.org

I am trying to build with a kernel older than 4.1, and get the following error:

error: 'struct perf_event_mmap_page' has no member named 'aux_size'
  148 |   return m_mmap_meta->aux_size;

aux_size was added in Linux 4.1.  It appears the Intel PT plugin was added in
LLVM 13, I can currently build LLVM 12 and hope to be able to upgrade to 13
when it's released.

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