Hi, I'm working with RH5 distribution, I'm having problems to build WebKit. Theses problems are related to the fact that the host system is missing some packages, I identified 2 packages : flex and gperf. Here is a patch to fix the problem.
Created attachment 743 [details] WebKit host dependencies fix
Fixed by f7a6cfc22500b5d9d4057d74ac6f4f238780848d.