WebCore/platform/gdk/FontPlatformData.h includes <cairo-ft.h>, but cairo-ft is not listed in the PKGCONFIG list in WebKit.pri. On a Fedora 7 system, this causes the build to fail because the freetype headers directory is not included in the gcc flags. Adding cairo-ft to this list fixes the problem.
Created attachment 15438 [details] Build fix patch
Looks, good we do use cairo-ft.
Landed in r24765 (was classified as buildfix).