BuildRequires: OpenGL-devel
BuildRequires: clang-devel
BuildRequires: cmake >= 2.6.0
-BuildRequires: libdrm-devel
+BuildRequires: libdrm-devel >= 2.4.66
BuildRequires: libedit-devel
BuildRequires: libstdc++-devel
-BuildRequires: llvm >= 3.6
-BuildRequires: llvm-devel >= 3.6
+BuildRequires: llvm >= 3.9
+BuildRequires: llvm-devel >= 3.9
BuildRequires: ncurses-devel
BuildRequires: ocl-icd-devel
BuildRequires: pkgconfig