NEW312061
[CMake] Investigate HAVE_CORE_MATERIAL CSS value gating on Mac 
https://bugs.webkit.org/show_bug.cgi?id=312061
Summary [CMake] Investigate HAVE_CORE_MATERIAL CSS value gating on Mac
pascoe@apple.com
Reported 2026-04-11 16:47:55 PDT
PlatformHave.h only enables HAVE_CORE_MATERIAL on iOS/watchOS/tvOS, but platform/mac/ code uses CSS values gated on it unconditionally. The CMake build manually defines it in CSS_VALUE_PLATFORM_DEFINES to avoid missing enum errors. The Xcode build works (possibly via xcconfig), suggesting either a latent gating bug or an undocumented xcconfig define.
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