[llvm-bugs] [Bug 49351] New: Regression (12.0) building lldb docs fails unless lldb is already installed

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=49351

            Bug ID: 49351
           Summary: Regression (12.0) building lldb docs fails unless lldb
                    is already installed
           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: bero at lindev.ch
                CC: jdevlieghere at apple.com, llvm-bugs at lists.llvm.org

Trying to build lldb with documentation/sphinx enabled fails unless lldb is
already installed.

Disabling docs in the initial build (and then repeating the build with docs
enabled once lldb is installed) "fixes" the problem.

FAILED: tools/lldb/docs/CMakeFiles/docs-lldb-man 
cd /builddir/build/BUILD/llvm-project-release-12.x/build/tools/lldb/docs &&
/usr/bin/cmake -E env /usr/bin/sphinx-build -b man -d
/builddir/build/BUILD/llvm-project-release-12.x/build/tools/lldb/docs/_doctrees-lldb-man
-q -t builder-man /builddir/build/BUILD/llvm-project-release-12.x/lldb/docs
/builddir/build/BUILD/llvm-project-release-12.x/build/tools/lldb/docs/man
Extension error:
Handler <function process_automodsumm_generation at 0xffffb50065e0> for event
'builder-inited' threw an exception (exception: No module named 'lldb')

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