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[libcxx][docs] Note how to use just built libc++ with per-target runtimes layout #172316

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[libcxx][docs] Note how to use just built libc++ with per-target runtimes layout #172316

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5 changes: 5 additions & 0 deletions libcxx/docs/VendorDocumentation.rst
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Expand Up @@ -68,6 +68,11 @@ to override it with custom paths. With Clang, this can be done with:
The option ``-Wl,-rpath,<install>/lib`` adds a runtime library search path, which causes the system's
dynamic linker to look for libc++ in ``<install>/lib`` whenever the program is loaded.

.. note::
If the runtimes were built using the "per-target runtime directory" layout,
they will be in ``<install>/lib/<target-triple>`` instead of ``<install>/lib``.
In this case, use the former path for all library paths in the command above
(the path to include files does not change).

The Bootstrapping build
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