[Lldb-commits] [lldb] [lldb][docs] Update instructions to build standalone (PR #137383)

[Chelsea Cassanova via lldb-commits]

https://github.com/chelcassanova updated https://github.com/llvm/llvm-project/pull/137383

>From a098529886955330080e9135f947910c306d1c4a Mon Sep 17 00:00:00 2001
From: Chelsea Cassanova <chelsea_cassanova at apple.com>
Date: Fri, 25 Apr 2025 11:57:30 -0700
Subject: [PATCH] [lldb][docs] Update instructions to build standalone

The instructions to build LLDB standalone contain a CMake configure step
to build LLVM standalone. This configure step needs to also have the
CMake build type in order to work.
---
 lldb/docs/resources/build.rst | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lldb/docs/resources/build.rst b/lldb/docs/resources/build.rst
index 4bbec891da0b3..0db8c92ad49d6 100644
--- a/lldb/docs/resources/build.rst
+++ b/lldb/docs/resources/build.rst
@@ -204,12 +204,13 @@ checked out above, but now we will have multiple build-trees:
 
 Run CMake with ``-B`` pointing to a new directory for the provided
 build-tree\ :sup:`1` and the positional argument pointing to the ``llvm``
-directory in the source-tree. Note that we leave out LLDB here and only include
+directory in the source-tree.\ :sup:`2` Note that we leave out LLDB here and only include
 Clang. Then we build the ``ALL`` target with ninja:
 
 ::
 
   $ cmake -B /path/to/llvm-build -G Ninja \
+          -DCMAKE_BUILD_TYPE=[<build type>] \
           -DLLVM_ENABLE_PROJECTS=clang \
           -DCMAKE_BUILD_TYPE=Release \
           [<more cmake options>] /path/to/llvm-project/llvm
@@ -238,6 +239,8 @@ remove it from the Ninja command.
    #. The ``-B`` argument was undocumented for a while and is only officially
       supported since `CMake version 3.14
       <https://cmake.org/cmake/help/v3.14/release/3.14.html#command-line>`_
+   #. If you want to have a standalone LLDB build with tests enabled, you also
+      need to pass in ``-DLLVM_ENABLE_RUNTIME='libcxx;libcxxabi;libunwind'`` to your CMake invocation when configuring your LLVM standalone build.
 
 .. _CommonCMakeOptions: