Lot of warnings like /usr/bin/ranlib: file: libWebCore_debug.a(AccessibilityMediaControls.o) has no symbols, and after that it fails with ar: fatal error in /usr/bin/ranlib. However it does create libWebCore_debug.a, I guess it fails when creating the release lib. I have faced with that when building against a debug qt build, maybe that matters.
the warnings are expected. I just did a complete debug_and_release build without errors. Need more info.
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