Accepting request 744798 from home:aaronpuchert:branches:X11:XOrg

- Use %pkg_vcmp macro instead of llvm-config to detect LLVM 9.

OBS-URL: https://build.opensuse.org/request/show/744798
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/Mesa?expand=0&rev=891

Mesa-drivers.spec

@@ -729,9 +729,9 @@ programs against the XA state tracker.
 rm -rf docs/README.{VMS,WIN32,OS2}
 
 %if 0%{with_llvm}
-if test $(llvm-config --version | cut -d "." -f1) -ge 9; then 
+%if %{pkg_vcmp llvm-devel >= 9.0}
 %patch1 -p1
-fi
+%endif
 %endif
 %patch2 -p1
 %patch54 -p1