Arch Linux

Description:
The current qt5-tools-5.10.0-1 don't build without adding vulkan-headers to the makedepends.

Additional info:
* qt5-tools-5.10.0-1


Steps to reproduce:

Build qt5-5.10.0 chain, qt5-tools errors out.

[code]20:22:20 g++ -Wl,--gc-sections -Wl,-O1 -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -Wl,--enable-new-dtags -o ../../../../bin/designer .obj/fontpanel.o .obj/qttoolbardialog.o .obj/main.o .obj/qdesigner.o .obj/qdesigner_toolwindow.o .obj/qdesigner_formwindow.o .obj/qdesigner_workbench.o .obj/qdesigner_settings.o .obj/qdesigner_server.o .obj/qdesigner_actions.o .obj/qdesigner_appearanceoptions.o .obj/saveformastemplate.o .obj/newform.o .obj/versiondialog.o .obj/appfontdialog.o .obj/preferencesdialog.o .obj/assistantclient.o .obj/mainwindow.o .obj/qrc_designer.o .obj/qrc_qttoolbardialog.o .obj/moc_fontpanel.o .obj/moc_qdesigner.o .obj/moc_qdesigner_toolwindow.o .obj/moc_qdesigner_formwindow.o .obj/moc_qdesigner_workbench.o .obj/moc_qdesigner_actions.o .obj/moc_qdesigner_server.o .obj/moc_qdesigner_appearanceoptions.o .obj/moc_saveformastemplate.o .obj/moc_newform.o .obj/moc_versiondialog.o .obj/moc_appfontdialog.o .obj/moc_preferencesdialog.o .obj/moc_mainwindow.o -lm -L/build/qt5-tools/src/build/lib -lQt5DesignerComponents -lQt5Designer -lQt5PrintSupport -lQt5Widgets -lQt5Gui -lQt5Xml -lQt5Network -lQt5Core -lGL -lpthread
20:22:22 make[4]: Leaving directory '/build/qt5-tools/src/build/src/designer/src/designer'
20:22:22 make[3]: Leaving directory '/build/qt5-tools/src/build/src/designer/src'
20:22:22 make[2]: Leaving directory '/build/qt5-tools/src/build/src/designer'
20:22:22 make[1]: Leaving directory '/build/qt5-tools/src/build/src'
20:22:22 make: *** [Makefile:47: sub-src-make_first] Error 2
20:22:22 ==> ERROR: A failure occurred in build().
20:22:22 Aborting...
[/code]