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Alex D
GHC
Commits
943f22a4
Commit
943f22a4
authored
Jan 28, 2014
by
Austin Seipp
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Document a Haddock/Mavericks bug.
Signed-off-by:
Austin Seipp
<
austin@well-typed.com
>
parent
28b031c5
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docs/users_guide/7.8.1-notes.xml
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943f22a4
...
...
@@ -1176,14 +1176,41 @@
<sect2>
<title>
Known bugs
</title>
<itemizedlist>
<listitem>
<para>
On OS X Mavericks, when using Clang as the C
preprocessor, Haddock has a bug that causes it to fail
to generate documentation, with an error similar to
the following:
<programlisting>
<
no location info
>
:
module 'xhtml-3000.2.1:Main' is defined in multiple files: dist-bindist/build/tmp-72252/Text/XHtml.hs
dist-bindist/build/tmp-72252/Text/XHtml/Frameset.hs
dist-bindist/build/tmp-72252/Text/XHtml/Strict.hs
dist-bindist/build/tmp-72252/Text/XHtml/Transitional.hs
...
</programlisting>
</para>
<para>
This only affects certain packages. This is due to a
bad interaction with Clang, which we hope to resolve
soon.
</para>
<para>
Note that when using
<literal>
cabal-install
</literal>
,
this only effects the package documentation, not
installation or building.
</para>
</listitem>
<listitem>
<para>
On OS X 10.7 and beyond, with default build settings,
the runtime system currently suffers from a fairly
large (30%) performance regression in the parallel
garbage collector when using
<literal>
-threaded
</literal>
impacting its thoroughput
and overall scalability.
large (approx. 30%) performance regression in the
parallel garbage collector when using
<literal>
-threaded
</literal>
.
</para>
<para>
This is due to the fact that the OS X 10.7+ toolchain
...
...
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