Fix running MLIR tests when enabling examples but the native backends isn't configured (NFC)

Author: joker-eph

mlir/examples/toy/Ch6/CMakeLists.txt

@@ -1,3 +1,9 @@
+# This chapter depends on JIT support enabled.
+if(NOT MLIR_ENABLE_EXECUTION_ENGINE)
+  return()
+endif()
+
+
 # For a better template to copy, see examples/standalone
 include_directories(include)
 add_subdirectory(include)

mlir/examples/toy/Ch7/CMakeLists.txt

@@ -1,3 +1,8 @@
+# This chapter depends on JIT support enabled.
+if(NOT MLIR_ENABLE_EXECUTION_ENGINE)
+  return()
+endif()
+
 # For a better template to copy, see examples/standalone
 include_directories(include)
 add_subdirectory(include)

mlir/test/CMakeLists.txt

@@ -121,9 +121,13 @@ if(LLVM_BUILD_EXAMPLES)
     toyc-ch3
     toyc-ch4
     toyc-ch5
-    toyc-ch6
-    toyc-ch7
     )
+  if(MLIR_ENABLE_EXECUTION_ENGINE)
+    list(APPEND MLIR_TEST_DEPENDS
+      toyc-ch6
+      toyc-ch7
+    )
+  endif()
 endif()
 
 if(MLIR_ENABLE_SPIRV_CPU_RUNNER)