diff --git a/Mesa-drivers.changes b/Mesa-drivers.changes
index 6cd602c..18038f2 100644
--- a/Mesa-drivers.changes
+++ b/Mesa-drivers.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Nov  1 17:07:44 UTC 2019 - Aaron Puchert <aaronpuchert@alice-dsl.net>
+
+- Use %pkg_vcmp macro instead of llvm-config to detect LLVM 9.
+
 -------------------------------------------------------------------
 Fri Oct 25 19:35:23 UTC 2019 - Stefan Dirsch <sndirsch@suse.com>
 
diff --git a/Mesa-drivers.spec b/Mesa-drivers.spec
index 864327d..fca9a45 100644
--- a/Mesa-drivers.spec
+++ b/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
diff --git a/Mesa.changes b/Mesa.changes
index 6cd602c..18038f2 100644
--- a/Mesa.changes
+++ b/Mesa.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Nov  1 17:07:44 UTC 2019 - Aaron Puchert <aaronpuchert@alice-dsl.net>
+
+- Use %pkg_vcmp macro instead of llvm-config to detect LLVM 9.
+
 -------------------------------------------------------------------
 Fri Oct 25 19:35:23 UTC 2019 - Stefan Dirsch <sndirsch@suse.com>
 
diff --git a/Mesa.spec b/Mesa.spec
index 6355d46..5b2f399 100644
--- a/Mesa.spec
+++ b/Mesa.spec
@@ -728,9 +728,9 @@ 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