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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 - building against libxml2 fails when icu includes are not in default location"
   href="https://bugs.llvm.org/show_bug.cgi?id=45222">45222</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>building against libxml2 fails when icu includes are not in default location
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>9.0
          </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>-New Bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>magicaltux@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=23246" name="attach_23246" title="patch against clang 9.0.1 fixing this issue">attachment 23246</a> <a href="attachment.cgi?id=23246&action=edit" title="patch against clang 9.0.1 fixing this issue">[details]</a></span>
patch against clang 9.0.1 fixing this issue

I am working on a non-FHS-compliant system and includes for various elements
are available in different paths.

clang 9.0.1 c-index-test failed to compile due to a libxml2 header including a
different header from icu. It turns out the CMakeLists.txt file for
c-index-test only used the main libxml2 include path LIBXML2_INCLUDE_DIR, while
libxml2-config.cmake provides a LIBXML2_INCLUDE_DIRS variable which includes
dependencies include paths.

This can be fixed by using LIBXML2_INCLUDE_DIRS rather than
LIBXML2_INCLUDE_DIR, however I am unsure how this would apply to OSX
sysroot/etc.

Either way the attached patch fixes the build on my system and I do not expect
it should break anything for anyone, as it uses a variable defined by libxml2.</pre>
        </div>
      </p>


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