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    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - flang fails to build in 11.0-rc1 if documentation is enabled"
   href="https://bugs.llvm.org/show_bug.cgi?id=46931">46931</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>flang fails to build in 11.0-rc1 if documentation is enabled
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>flang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Build System
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>bero@lindev.ch
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>David.Truby@arm.com, jperier@nvidia.com, llvm-bugs@lists.llvm.org, sscalpone@nvidia.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=23800" name="attach_23800" title="Workaround patch (disables pulling in empty/non-functional docs directories)">attachment 23800</a> <a href="attachment.cgi?id=23800&action=edit" title="Workaround patch (disables pulling in empty/non-functional docs directories)">[details]</a></span>
Workaround patch (disables pulling in empty/non-functional docs directories)

Trying to build LLVM 11.0-rc1 with both flang and docs enabled causes the build
to fail with the error at the end of this message.

I'm attaching a patch that makes it compile by disabling building the
nonexistant docs - but obviously actually having docs there would be a nicer
fix.


FAILED: tools/flang/docs/CMakeFiles/docs-flang-html
cd
/home/bero/temp/abf/llvm/BUILD/llvm-project-release-11.x/build/tools/flang/docs
&& /usr/bin/sphinx-build -b html -d
/home/bero/temp/abf/llvm/BUILD/llvm-project-release-11.x/build/tools/flang/docs/_doctrees-flang-html
-q -t builder-html
/home/bero/temp/abf/llvm/BUILD/llvm-project-release-11.x/flang/docs
/home/bero/temp/abf/llvm/BUILD/llvm-project-release-11.x/build/tools/flang/docs/html

Application error:
config directory doesn't contain a conf.py file
(/home/bero/temp/abf/llvm/BUILD/llvm-project-release-11.x/flang/docs)
[16/721] Generating man Sphinx documentation for flang into
"/home/bero/temp/abf/llvm/BUILD/llvm-project-release-11.x/build/tools/flang/docs/man"
FAILED: tools/flang/docs/CMakeFiles/docs-flang-man</pre>
        </div>
      </p>


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