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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Technically no, the llvm/projects/CMakeLists.txt file has logic to include any project that has a top level CMakeLists.txt file. So automatic building will still
build fine.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I thought we could commit this separately since it changes the main llvm repo, and the automatic build still works without it.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">The benefits of having the logic in the llvm/projects/CMakeLists.txt file include:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">1) -DLLVM_EXTERNAL_OPENMP_SOURCE_DIR=/path/to/openmp is an available cmake option.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">2) -DLLVM_EXTERNAL_OPENMP_BUILD=[on|off] is an available cmake option.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">3) if -DLLVM_BUILD_RUNTIME=off, then openmp won’t build (neither will compiler-rt nor libcxx)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I assume we want this in there so I will create a separate patch and send it out for the llvm people to review.<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></a></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">-- Johnny<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> openmp-dev-bounces@cs.uiuc.edu [mailto:openmp-dev-bounces@cs.uiuc.edu]
<b>On Behalf Of </b>Jack Howarth<br>
<b>Sent:</b> Tuesday, May 5, 2015 3:30 PM<br>
<b>To:</b> openmp-dev@dcs-maillist2.engr.illinois.edu<br>
<b>Subject:</b> Re: [Openmp-dev] Integrate libiomp CMake into LLVM CMake build system.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Doesn't the commit of....<o:p></o:p></p>
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<p class="MsoNormal">------------------------------------------------------------------------<o:p></o:p></p>
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<p class="MsoNormal">r236534 | achurbanov | 2015-05-05 16:02:52 -0400 (Tue, 05 May 2015) | 13 lines<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Integrate libiomp CMake into LLVM CMake build system.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This patch integrates the libiomp CMake build system into the LLVM CMake build <o:p></o:p></p>
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<p class="MsoNormal">system so that users can checkout libiomp into the projects directory of llvm <o:p></o:p></p>
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<p class="MsoNormal">and build llvm,clang, and libiomp all together. These changes specifically <o:p></o:p></p>
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<p class="MsoNormal">introduce a new install target which will put libraries and headers into the <o:p></o:p></p>
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<p class="MsoNormal">correct locations when either a standalone build or part of llvm.<o:p></o:p></p>
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<p class="MsoNormal">The copy_recipe() method has been removed in favor of the POST_BUILD method <o:p></o:p></p>
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<p class="MsoNormal">to move headers into the exports subdirectory. And lastly, the MicroTests.cmake <o:p></o:p></p>
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<p class="MsoNormal">file was refactored which led to simpler target dependencies and a new target, <o:p></o:p></p>
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<p class="MsoNormal">make libiomp-micro-tests, which performs the 5 small tests (test-relo, <o:p></o:p></p>
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<p class="MsoNormal">test-touch, etc.) when called.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">also require that the proposed change in llvm also be committed as well?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><a href="http://lists.cs.uiuc.edu/pipermail/openmp-dev/2015-April/000502.html">http://lists.cs.uiuc.edu/pipermail/openmp-dev/2015-April/000502.html</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Jack<o:p></o:p></p>
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