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      <base href="https://bugs.webkit.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GTK][WPE] Build fails as of r286287 when manually configuring a build with CMake"
   href="https://bugs.webkit.org/show_bug.cgi?id=233632">233632</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[GTK][WPE] Build fails as of r286287 when manually configuring a build with CMake
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Tools / Tests
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned@lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>aperez@igalia.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Build fails with:

---- 8< ---------- 8< ---------- 8< ---------- 8< ----

/home/aperez/devel/WebKit/Source/WebCore/style/RuleFeature.cpp:258:43: error: unknown type name 'nullptr_t'; did you mean 'std::nullptr_t'?
            if constexpr (!std::is_same_v<nullptr_t, decltype(hostAffectingNames)>) {
                                          ^~~~~~~~~
                                          std::nullptr_t
/usr/bin/../lib64/gcc/x86_64-pc-linux-gnu/11.1.0/../../../../include/c++/11.1.0/x86_64-pc-linux-gnu/bits/c++config.h:284:29: note: 'std::nullptr_t' declared here
  typedef decltype(nullptr)     nullptr_t;
                                ^

---- 8< ---------- 8< ---------- 8< ---------- 8< ----

This is a WPE build targeting x86_64 configured with:

  cmake -S. -Bbuild-wpe -DPORT=WPE -DCMAKE_BUILD_TYPE=RelWithDebInfo \
    -DENABLE_EXPERIMENTAL_FEATURES=ON -DUSE_SOUP2=OFF

The same build issue happens when trying to build the GTK port.</pre>
        </div>
      </p>


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