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docs/UsersManual.html: Add cygming notes. 

llvm-svn: 128819
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NAKAMURA Takumi 2011-04-04 15:02:41 +00:00
parent fb3bce155e
commit ce60187a89
1 changed files with 41 additions and 1 deletions
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@ -67,8 +67,8 @@ td {
<ul>
<li><a href="#target_os_darwin">Darwin (Mac OS/X)</a></li>
<li>Linux, etc.</li>
<li><a href="#target_os_win32">Windows</a></li>
</ul>
</li>
</ul>
</li>
@ -948,6 +948,8 @@ definition.</li>
(Mac OS/X), Linux, FreeBSD, and Dragonfly BSD: it has been tested to correctly
compile many large C, C++, Objective-C, and Objective-C++ codebases.</p>
<p>On x86_64-mingw32, passing i128(by value) is incompatible to Microsoft x64 calling conversion.</p> You might need to tweak WinX86_64ABIInfo::classify() in lib/CodeGen/TargetInfo.cpp.</p>
<!-- ======================== -->
<h4 id="target_arch_arm">ARM</h4>
<!-- ======================== -->
@ -985,6 +987,44 @@ Generating assembly requires a suitable LLVM backend.
<p>No __thread support, 64-bit ObjC support requires SL tools.</p>
<!-- ======================================= -->
<h4 id="target_os_win32">Windows</h4>
<!-- ======================================= -->
<p>Experimental supports are on Cygming.</p>
<h5>Cygwin</h5>
<p>Clang works on Cygwin-1.7.</p>
<h5>MinGW32</h5>
<p>Clang works on some mingw32 distributions.
Clang assumes directories as below;</p>
<ul>
<li><tt>C:/mingw/include</tt></li>
<li><tt>C:/mingw/lib</tt></li>
<li><tt>C:/mingw/lib/gcc/mingw32/4.[3-5].0/include/c++</tt></li>
</ul>
<p>On MSYS, a few tests might fail. It is due to <a href="http://llvm.org/bugs/show_bug.cgi?id=8520">Bug 8520</a> and is fixed in <a href="http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20110314/118106.html">LLVM's r127724</a>.</p>
<h5>MinGW-w64</h5>
<p>For x32(i686-w64-mingw32), it is not supported yet.</p>
<p>For x64(x86_64-w64-mingw32), <a href="http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20110321/118499.html">an essential patch(LLVM's r128206)</a> would be needed. It is incompatible to <a href="http://tdm-gcc.tdragon.net/development">TDM-GCC</a> due to the definiton of symbol &quot;<code>___chkstk</code>&quot;. Clang assumes as below;<p>
<ul>
<li><tt>C:/mingw/x86_64-w64-mingw32/include</tt></li>
<li><tt>C:/mingw/x86_64-w64-mingw32/include/c++/4.5.[23]</tt></li>
<li>GCC driver &quot;gcc.exe&quot; to build x86_64-w64-mingw32 binary.</li>
</ul>
<p><a href="http://llvm.org/bugs/show_bug.cgi?id=8833">Some tests might fail</a>
on x64.</p>
</div>
</body>
</html>