diff --git a/var/spack/repos/builtin/packages/llvm/package.py b/var/spack/repos/builtin/packages/llvm/package.py
index 2d432805306..300b5dbfb6b 100644
--- a/var/spack/repos/builtin/packages/llvm/package.py
+++ b/var/spack/repos/builtin/packages/llvm/package.py
@@ -154,6 +154,8 @@ class Llvm(CMakePackage, CudaPackage):
             description="Enable code-signing on macOS")
     variant("python", default=False, description="Install python bindings")
 
+    variant('version_suffix', default='none', description="Add a symbol suffix")
+
     extends("python", when="+python")
 
     # Build dependency
@@ -469,6 +471,10 @@ def cmake_args(self):
             define("LIBOMP_HWLOC_INSTALL_DIR", spec["hwloc"].prefix),
         ]
 
+        version_suffix = spec.variants['version_suffix'].value
+        if version_suffix != 'none':
+            cmake_args.append(define('LLVM_VERSION_SUFFIX', version_suffix))
+
         if python.version >= Version("3"):
             cmake_args.append(define("Python3_EXECUTABLE", python.command.path))
         else: