<div dir="ltr">Doesn't look like this was ever tested, so I'm not sure what it was for. I'm guessing Richard didn't consider it necessary when he removed it... <br><br>So could you outline (show a small/complete example with source, commands, etc) what you're trying to do? You might be able to take a look at Clang's test cases to see what's supported/implemented right now.</div><br><div class="gmail_quote"><div dir="ltr">On Thu, Jun 1, 2017 at 1:14 AM Boris Kolpackov via cfe-dev <<a href="mailto:cfe-dev@lists.llvm.org">cfe-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
$ clang++-5.0 --version<br>
clang version 5.0.0-svn304373-1~exp1 (trunk)<br>
<br>
$ clang++-5.0 -std=c++1z -fmodules-ts -D__cpp_modules=201704 --precompile \<br>
  -o hello.pcm.o -c -x c++-module-cpp-output hello.mxx<br>
<br>
clang: error: language not recognized: 'c++-module-cpp-output'<br>
<br>
This language name was there at some point[1]. Maybe it was (accidentally)<br>
removed by this[2] commit?<br>
<br>
[1] <a href="https://github.com/llvm-mirror/clang/blob/master/include/clang/Driver/Types.def" rel="noreferrer" target="_blank">https://github.com/llvm-mirror/clang/blob/master/include/clang/Driver/Types.def</a><br>
[2] <a href="https://www.mail-archive.com/cfe-commits@lists.llvm.org/msg54922.html" rel="noreferrer" target="_blank">https://www.mail-archive.com/cfe-commits@lists.llvm.org/msg54922.html</a><br>
<br>
Thanks,<br>
Boris<br>
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</blockquote></div>