[mlir] tentative fix for "'GTEST_NO_LLVM_SUPPORT' is not defined" war… (#84539)

Peiming Liu · web-flow · commit 3ceebcb48135 · 2024-03-08T13:30:34.000-08:00
…ning when unittest is enabled
diff --git a/mlir/unittests/CMakeLists.txt b/mlir/unittests/CMakeLists.txt
@@ -1,5 +1,8 @@
 set_target_properties(MLIRUnitTests PROPERTIES FOLDER "MLIR Tests")
 
+# To silence warning caused by Wundef.
+add_definitions(-DGTEST_NO_LLVM_SUPPORT=0)
+
 function(add_mlir_unittest test_dirname)
   add_unittest(MLIRUnitTests ${test_dirname} ${ARGN})
 endfunction()
