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.
Created attachment 445408 [details] Patch
Tools/Scripts/svn-apply failed to apply attachment 445408 [details] to trunk. Please resolve the conflicts and upload a new patch.
Fixed by philn in r286226, he was faster than me :)