diff --git a/var/spack/packages/llvm/package.py b/var/spack/packages/llvm/package.py
index 10e899437fb565ee0b34f397679206734db1125b..d4be2b9541462f9b6130482f40ee98ab393b91f9 100644
--- a/var/spack/packages/llvm/package.py
+++ b/var/spack/packages/llvm/package.py
@@ -206,8 +206,8 @@ def install(self, spec, prefix):
                 raise SpackException('The lldb variant requires the clang variant to be selected')
 
         with working_dir('spack-build', create=True):
-            # cmake(*cmake_args)
-            # make()
+            cmake(*cmake_args)
+            make()
             make("install")
             query_path = os.path.join('bin', 'clang-query')
             # Manually install clang-query, because llvm doesn't...