Fix CMake build

PiperOrigin-RevId: 376756121
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ded1732..957ef47 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5055,17 +5055,17 @@
   SET_TARGET_PROPERTIES(f32-gemm-e2e-bench PROPERTIES
     CXX_STANDARD 11
     CXX_STANDARD_REQUIRED YES
-    CXX_EXTENSIONS NO)
+    CXX_EXTENSIONS YES)
   TARGET_INCLUDE_DIRECTORIES(f32-gemm-e2e-bench PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}" src)
-  TARGET_LINK_LIBRARIES(f32-gemm-e2e-bench PRIVATE XNNPACK benchmark bench-models bench-utils)
+  TARGET_LINK_LIBRARIES(f32-gemm-e2e-bench PRIVATE XNNPACK fp16 benchmark bench-models bench-utils)
 
   ADD_EXECUTABLE(qs8-gemm-e2e-bench bench/qs8-gemm-e2e.cc)
   SET_TARGET_PROPERTIES(qs8-gemm-e2e-bench PROPERTIES
     CXX_STANDARD 11
     CXX_STANDARD_REQUIRED YES
-    CXX_EXTENSIONS NO)
+    CXX_EXTENSIONS YES)
   TARGET_INCLUDE_DIRECTORIES(qs8-gemm-e2e-bench PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}" src)
-  TARGET_LINK_LIBRARIES(qs8-gemm-e2e-bench PRIVATE XNNPACK benchmark bench-models bench-utils)
+  TARGET_LINK_LIBRARIES(qs8-gemm-e2e-bench PRIVATE XNNPACK fp16 benchmark bench-models bench-utils)
 
   # ---[ Build operator-level microbenchmarks
   ADD_EXECUTABLE(average-pooling-bench bench/average-pooling.cc)