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<p class="MsoNormal">This was easy enough to fix, so I did so in r353463.<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">llvm-dev <llvm-dev-bounces@lists.llvm.org> on behalf of JF Bastien via llvm-dev <llvm-dev@lists.llvm.org><br>
<b>Reply-To: </b>JF Bastien <jfbastien@apple.com><br>
<b>Date: </b>Thursday, February 7, 2019 at 12:30 PM<br>
<b>To: </b>"paul.robinson@sony.com" <paul.robinson@sony.com><br>
<b>Cc: </b>"llvm-dev@lists.llvm.org" <llvm-dev@lists.llvm.org><br>
<b>Subject: </b>Re: [llvm-dev] [RFC] migrating past C++11<o:p></o:p></span></p>
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<p class="MsoNormal">On Feb 7, 2019, at 11:01 AM, <a href="mailto:paul.robinson@sony.com">
paul.robinson@sony.com</a> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="color:#1F497D">It seems the CMake changes have landed; but the docs are still a bit out of date?</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D">CMake.html talks about LLVM_FORCE_USE_OLD_TOOLCHAIN but not LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN.</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">I’m. Not sure how one updates the website’s docs, I had assumed the RST files would automatically get rebuilt and pushed? Agreed we want it fixed, but I don’t think it’s
good reason to revert since the error message is pretty clear.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D">Huh. I also thought the website was kept up to date automagically, which is why I looked at the website not the source; but the source does have the new option. Never mind…</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D">Also, it looks like LLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN is not propagated down to the NATIVE configuration when you set LLVM_OPTIMIZED_TABLEGEN. If that's going to be a permanent deficiency, it should be mentioned
in the docs as well.</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Someone mentioned MSVC was having issues that way? <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__reviews.llvm.org_rL353374-23624722&d=DwMFaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=o3kDXzdBUE3ljQXKeTWOMw&m=jXkuL7NOOygyZEXTmkYhOIbDwj1UhwVNfH8WnSmowIA&s=UT6L9JA4kVtR0MRecFgpu3lQ6GkA1YKsZmhJshQ0Ynw&e="><span style="color:purple">https://reviews.llvm.org/rL353374#624722</span></a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">That seems like general badness in the way that configuration is set up, no? It should probably get fixed separately<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D">"Somebody else ought to get around to fixing that someday so why bother documenting something that might eventually change" does not seem like a very robust argument. I've answered a pile of questions from newcomers
lately, I would prefer that people not add new reasons for the documentation to lie about how things work currently. Or more accurately, don't work, because you can't currently use both those options at once.</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D">If someone does change how the optimized-tablegen feature works (or eliminates it entirely), surely they would be able to update the documentation accordingly?</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D">So, please fix.</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<p class="MsoNormal">Can you clarify what you’re asking for exactly, and who you’re asking it from?<o:p></o:p></p>
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