r174612 - Documentation: add information about builtin includes to FAQ

[Jordan Rose]

On Feb 7, 2013, at 6:36 , Dmitri Gribenko <gribozavr at gmail.com> wrote:

> Author: gribozavr
> Date: Thu Feb  7 08:36:37 2013
> New Revision: 174612
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=174612&view=rev
> Log:
> Documentation: add information about builtin includes to FAQ
> 
> Modified:
>    cfe/trunk/docs/FAQ.rst
>    cfe/trunk/docs/LibTooling.rst
> 
> Modified: cfe/trunk/docs/FAQ.rst
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/FAQ.rst?rev=174612&r1=174611&r2=174612&view=diff
> ==============================================================================
> --- cfe/trunk/docs/FAQ.rst (original)
> +++ cfe/trunk/docs/FAQ.rst Thu Feb  7 08:36:37 2013
> @@ -51,3 +51,14 @@ driver and add the option you need.  Alt
> ``clang -Xclang <option> ...`` to force the driver pass ``<option>`` to
> ``clang -cc1``.
> 
> +I get errors about some headers being missing (``stddef.h``, ``stdard.h``)
> +--------------------------------------------------------------------------
> +
> +Some header files (``stddef.h``, ``stdard.h``, and others) are shipped with
> +Clang --- these are called builtin includes.  Clang searches for them in a
> +directory relative to the location of the ``clang`` binary.  If you moved the
> +``clang`` binary, you need to move the builtin headers, too.

The thing I always forget is where the relative path is. I believe it's ../include (?) but it's probably worth mentioning here regardless.


> +More information can be found in the :ref:`libtooling_builtin_includes`
> +section.
> +
> 
> Modified: cfe/trunk/docs/LibTooling.rst
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LibTooling.rst?rev=174612&r1=174611&r2=174612&view=diff
> ==============================================================================
> --- cfe/trunk/docs/LibTooling.rst (original)
> +++ cfe/trunk/docs/LibTooling.rst Thu Feb  7 08:36:37 2013
> @@ -168,6 +168,9 @@ arguments:
>   $ export BD=/path/to/build/llvm
>   $ $BD/bin/clang-check -p $BD tools/clang/tools/clang-check/ClangCheck.cpp
> 
> +
> +.. _libtooling_builtin_includes:
> +
> Builtin includes
> ^^^^^^^^^^^^^^^^
> 
> 
> 
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