PATCH: Document running V3 tests on installed compiler

[Joseph S. Myers]

On Wed, 4 May 2005, Mark Mitchell wrote:

> + <p>
> + You can run the tests with a compiler and library that have already
> + been installed.  Make sure that the compiler (e.g., <code>g++</code>)
> + is in your <code>PATH</code>.  If you are using shared libraries, then
> + you must also ensure that the directory containing the shared version
> + of libstdc++ is in your <code>LD_LIBRARY_PATH</code>, or equivalent.
> + If your GCC source tree is at <code>/path/to/gcc</code>, then you can
> + run the tests as follows:
> + <pre>
> + runtest --tool libstdc++ --srcdir=/path/to/gcc/libstdc++-v3/testsuite
> + </pre>
> + </p>

Should this say to use runtest in an empty temporary directory because it 
will create many temporary files and not necessarily remove all of them 
afterwards?  (I don't know whether it is safe to share that directory 
between simultaneous runs of the libstdc++, g++, gcc etc. testsuites.)

-- 
Joseph S. Myers               http://www.srcf.ucam.org/~jsm28/gcc/
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