[Bug c++/120700] New: -with-system-libunwind not documented

[dilyan.palauzov at aegee dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120700

            Bug ID: 120700
           Summary: -with-system-libunwind not documented
           Product: gcc
           Version: 15.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dilyan.palauzov at aegee dot org
  Target Milestone: ---

./libstdc++/configure --help prints

  --with-system-libunwind use installed libunwind

But the option  --with-system-libunwind  is not described at
https://gcc.gnu.org/onlinedocs/libstdc++/manual/configure.html and at
https://gcc.gnu.org/install/configure.html .