[MacPorts] #60977: webkit-gtk3 @ 2.4.11_4+video build fails with 'CSSGrammar.hpp' file not found

[MacPorts]

#60977: webkit-gtk3 @ 2.4.11_4+video build fails with 'CSSGrammar.hpp' file not
found
---------------------+--------------------
 Reporter:  hapaguy  |      Owner:  (none)
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:
 Keywords:           |       Port:  2.6.3
---------------------+--------------------
 I am running '''macOS 10.15.6''', using '''Xcode 11.6''', and '''MacPorts
 2.6.3'''.
 {{{
 % sudo port -sv upgrade webkit-gtk3
 }}}
 fails with
 {{{
 :info:build DerivedSources/WebCore/CSSGrammar.cpp:160:10: fatal error:
 'CSSGrammar.hpp' file not found
 :error:build Failed to build webkit-gtk3: command execution failed
 }}}
 I confirmed that there is no file '''CSSGrammar.hpp''' in
 {{{
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_www_webkit-gtk/webkit-
 gtk3/work/webkitgtk-2.4.11/DerivedSources/WebCore/
 }}}
 But, there is a '''CSSGrammar.h'''.

 I have attached the main.log.

-- 
Ticket URL: <https://trac.macports.org/ticket/60977>
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