diff --git a/flang/lib/Optimizer/Dialect/CMakeLists.txt b/flang/lib/Optimizer/Dialect/CMakeLists.txt
--- a/flang/lib/Optimizer/Dialect/CMakeLists.txt
+++ b/flang/lib/Optimizer/Dialect/CMakeLists.txt
@@ -12,6 +12,7 @@
   CanonicalizationPatternsIncGen
   MLIRIR
   FIROpsIncGen
+  intrinsics_gen
 
   LINK_LIBS
   FIRDialectSupport
diff --git a/flang/lib/Optimizer/Dialect/Support/CMakeLists.txt b/flang/lib/Optimizer/Dialect/Support/CMakeLists.txt
--- a/flang/lib/Optimizer/Dialect/Support/CMakeLists.txt
+++ b/flang/lib/Optimizer/Dialect/Support/CMakeLists.txt
@@ -6,6 +6,7 @@
 
   DEPENDS
   MLIRIR
+  intrinsics_gen
 
   LINK_LIBS
   ${dialect_libs}