Fix build regression from d1cce66469d0739f332b11fdb0fa2a441b1e0483
diff --git a/clang/lib/Sema/CMakeLists.txt b/clang/lib/Sema/CMakeLists.txt
index d0b0508..4b87004 100644
--- a/clang/lib/Sema/CMakeLists.txt
+++ b/clang/lib/Sema/CMakeLists.txt
@@ -102,6 +102,7 @@
 
   DEPENDS
   ClangOpenCLBuiltinsImpl
+  acc_gen
   omp_gen
   ClangDriverOptions